#431729

Closest named color: Aubergine (#3D0734). oklch(27.9% 0.071 357.2), rgb(67, 23, 41).

Aa

White text reads best on this color (15.07:1).

About this color

#431729 is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.071 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.049 away. White text reads best on it, at 15.07:1.

Hue familyReds
Lightnessdark (28%)
Chromamoderately saturated (0.071)
Temperaturewarm
Nearest nameAubergine (#3D0734)
Black text1.39:1
White text15.07:1

Values

HEX#431729
RGBrgb(67, 23, 41)
HSLhsl(335, 49%, 18%)
OKLCHoklch(27.9% 0.071 357.2)

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 #431729 15.07:1 AAA Lc -104.4 Preferred for body text
Black text on #431729 1.39:1 Fails Lc 0.0 Not readable
#431729 text on white 15.07:1 AAA Lc 101.6 Preferred for body text
#431729 text on black 1.39:1 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

    #FCF2F5

    oklch(97% 0.011 357)

  2. Step 100

    100

    #F9E3EA

    oklch(93.6% 0.026 356.3)

  3. Step 200

    200

    #F4CDD9

    oklch(88.5% 0.046 357.6)

  4. Step 300

    300

    #EEAAC1

    oklch(80.9% 0.085 357.2)

  5. Step 400

    400

    #E27AA1

    oklch(70.6% 0.135 357.3)

  6. Step 500

    500

    #D7538A

    oklch(63.1% 0.174 357.4)

  7. Step 600

    600

    #C23274

    oklch(55.6% 0.188 357.4)

  8. Step 700

    700

    #A72262

    oklch(49.1% 0.175 357)

  9. Step 800

    800

    #882050

    oklch(42.8% 0.145 357.2)

  10. Step 900

    900

    #6D2142

    oklch(37.6% 0.113 357.2)

  11. Step 950

    950 (this color)

    #431729

    oklch(27.9% 0.071 357.2)

Export this scale for Tailwind in the Tailwind colors tool

#431729 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)#1E212A0.079
Deuteranopia (no green cones)#2A29280.071
Tritanopia (no blue cones)#49141E0.023
Achromatopsia (no color)#2626260.072

Harmonies

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

Complementary

The opposite hue (180°).

  • #431729

    #431729

    oklch(27.9% 0.071 357.2)

  • #003128

    #003128

    oklch(28% 0.052 176.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #431729

    #431729

    oklch(27.9% 0.071 357.2)

  • #3B1A3B

    #3B1A3B

    oklch(28% 0.073 327.3)

  • #461814

    #461814

    oklch(28% 0.072 27.6)

Open the analogous palette in the generator

Split complementary

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

  • #431729

    #431729

    oklch(27.9% 0.071 357.2)

  • #093212

    #093212

    oklch(28% 0.072 147.2)

  • #002F35

    #002F35

    oklch(27.9% 0.048 208.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #431729

    #431729

    oklch(27.9% 0.071 357.2)

  • #272C00

    #272C00

    oklch(27.8% 0.064 116.3)

  • #002C43

    #002C43

    oklch(27.8% 0.062 238)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #431729

    #431729

    oklch(27.9% 0.071 357.2)

  • #352600

    #352600

    oklch(27.9% 0.057 86)

  • #003128

    #003128

    oklch(28% 0.052 176.4)

  • #19264C

    #19264C

    oklch(28% 0.072 267.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #431729, closest first.

Similar named colors

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

Use #431729 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.