China Colour Intelligence

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Blue#425066

黛蓝（dài lán）

Ink Blue

BlueInk BlueSystem A Classical names

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Colour Values色值

HEX

#425066

RGB

rgb(66, 80, 102)

HSL

hsl(217, 21%, 33%)

OKLCH

oklch(0.428 0.041 259.3)

CMYK

35, 22, 0, 60

approx

Global Colour Equivalents国际色卡对照

CSS nearest ≈

darkslategray

#2F4F4F

Pantone FHI/TCX ≈

crown-blue

#464B65

Nearest perceptual match (OKLab). Pantone value is from an unofficial dataset — approximate; verify against official swatches before production.

Imagery & Provenance意象与出处

Imagery

Indigo-dark

Origin

Eyebrow-black (dai stone)

System

A Classical names

Source

The colour of dai stone, used for painting eyebrows.

Evidence

Ancient-text attestation (attestation > artifact > compilation > approximation)

Imagery意象图

黛蓝 — 青黑之蓝 — Public domain · ImageryBluejay-nestlingBluejay-nestling.jpg — Jim Conrad · Wikimedia Commons

Brand & Product References国际色号案例

Pantone Classic Blue

#0F4C81 · ≈ Δ0.069 (OKLab)

Pantone 19-4052 (2020 COTY)

photo: Divya Parhiban · CC BY-SA 4.0

Domino's Blue

#006491 · ≈ Δ0.085 (OKLab)

Domino's

photo: Dinkun Chen · CC BY-SA 4.0

Pepsi Blue

#004B93 · ≈ Δ0.095 (OKLab)

Pepsi

photo: Chris Woodrich · Public domain

Editorial reference only — same/near shade used by these brands. Names and colours are trademarks of their respective owners; photos are CC-licensed from Wikimedia Commons (see credit on each card); no affiliation or endorsement implied.

Cultural Note for non-Chinese Designers文化提示

CautionBlue = calm, porcelain (blue-and-white). Shares the 青 heritage.

Same Family同色系

Pantone/CSS values are nearest perceptual matches (OKLab distance), not official colour codes.