#421D2D

Closest named color: Aubergine (#3D0734). oklch(28.9% 0.061 354.3), rgb(66, 29, 45).

Aa

White text reads best on this color (14.52:1).

About this color

#421D2D is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.061 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.057 away. White text reads best on it, at 14.52:1.

Hue familyReds
Lightnessdark (29%)
Chromamuted (0.061)
Temperaturewarm
Nearest nameAubergine (#3D0734)
Black text1.44:1
White text14.52:1

Values

HEX#421D2D
RGBrgb(66, 29, 45)
HSLhsl(334, 39%, 19%)
OKLCHoklch(28.9% 0.061 354.3)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #421D2D 14.52:1 AAA Lc -104.0 Preferred for body text
Black text on #421D2D 1.44:1 Fails Lc 0.0 Not readable
#421D2D text on white 14.52:1 AAA Lc 101.1 Preferred for body text
#421D2D text on black 1.44:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FBF3F6

    oklch(97.1% 0.009 352.4)

  2. Step 100

    100

    #F6E4EB

    oklch(93.5% 0.022 351.9)

  3. Step 200

    200

    #F0CFDB

    oklch(88.6% 0.04 354)

  4. Step 300

    300

    #E7AEC3

    oklch(80.9% 0.072 354.9)

  5. Step 400

    400

    #D981A5

    oklch(70.7% 0.116 354.4)

  6. Step 500

    500

    #CC5F8F

    oklch(63.2% 0.147 354.5)

  7. Step 600

    600

    #B74279

    oklch(55.6% 0.161 354.5)

  8. Step 700

    700

    #9D3366

    oklch(49.1% 0.149 354.3)

  9. Step 800

    800

    #802B53

    oklch(42.7% 0.124 354.5)

  10. Step 900

    900

    #672845

    oklch(37.7% 0.097 354)

  11. Step 950

    950 (this color)

    #421D2D

    oklch(28.9% 0.061 354.3)

Export this scale for Tailwind in the Tailwind colors tool

#421D2D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#22252E0.066
Deuteranopia (no green cones)#2B2C2C0.063
Tritanopia (no blue cones)#471B230.020
Achromatopsia (no color)#2929290.062

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #421D2D

    #421D2D

    oklch(28.9% 0.061 354.3)

  • #003429

    #003429

    oklch(29% 0.055 173.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #421D2D

    #421D2D

    oklch(28.9% 0.061 354.3)

  • #3A203C

    #3A203C

    oklch(29% 0.06 324.4)

  • #451D1C

    #451D1C

    oklch(28.9% 0.062 23.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #421D2D

    #421D2D

    oklch(28.9% 0.061 354.3)

  • #163317

    #163317

    oklch(29% 0.061 144.5)

  • #003236

    #003236

    oklch(28.9% 0.049 203.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #421D2D

    #421D2D

    oklch(28.9% 0.061 354.3)

  • #2B2E04

    #2B2E04

    oklch(28.9% 0.06 113.7)

  • #002F45

    #002F45

    oklch(28.8% 0.062 235.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #421D2D

    #421D2D

    oklch(28.9% 0.061 354.3)

  • #392800

    #392800

    oklch(28.9% 0.059 83.9)

  • #003429

    #003429

    oklch(29% 0.055 173.7)

  • #1C2A49

    #1C2A49

    oklch(28.9% 0.06 264.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #421D2D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #421D2D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.