#A31C14

Closest named color: Burnt Red (#9F2305). oklch(46.3% 0.171 29.1), rgb(163, 28, 20).

Aa

White text reads best on this color (7.68:1).

About this color

#A31C14 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.171 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Red (#9F2305), ΔE 0.015 away. White text reads best on it, at 7.68:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.171)
Temperaturewarm
Nearest nameBurnt Red (#9F2305)
Black text2.73:1
White text7.68:1

Values

HEX#A31C14
RGBrgb(163, 28, 20)
HSLhsl(3, 78%, 36%)
OKLCHoklch(46.3% 0.171 29.1)

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 #A31C14 7.68:1 AAA Lc -89.9 Fine for body text
Black text on #A31C14 2.73:1 Fails Lc 19.0 Dividers and decoration only
#A31C14 text on white 7.68:1 AAA Lc 85.0 Fine for body text
#A31C14 text on black 2.73:1 Fails Lc -17.0 Dividers and decoration only

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 700.

  1. Step 50

    50

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F6CEC8

    oklch(88.4% 0.046 28)

  4. Step 300

    300

    #F1ADA2

    oklch(80.9% 0.082 29.3)

  5. Step 400

    400

    #E77E6F

    oklch(70.6% 0.132 29.3)

  6. Step 500

    500

    #DD5849

    oklch(63.1% 0.17 29.1)

  7. Step 600

    600

    #C8372B

    oklch(55.5% 0.184 29.1)

  8. Step 700

    700 (this color)

    #A31C14

    oklch(46.3% 0.171 29.1)

  9. Step 800

    800

    #8C241B

    oklch(42.7% 0.141 29.2)

  10. Step 900

    900

    #71241C

    oklch(37.8% 0.11 29.2)

  11. Step 950

    950

    #421611

    oklch(26.9% 0.07 29)

Export this scale for Tailwind in the Tailwind colors tool

#A31C14 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)#4940100.185
Deuteranopia (no green cones)#6A5E0A0.168
Tritanopia (no blue cones)#B4001C0.036
Achromatopsia (no color)#5353530.172

Harmonies

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

Complementary

The opposite hue (180°).

  • #A31C14

    #A31C14

    oklch(46.3% 0.171 29.1)

  • #006571

    #006571

    oklch(46.4% 0.08 208.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A31C14

    #A31C14

    oklch(46.3% 0.171 29.1)

  • #9D1956

    #9D1956

    oklch(46.3% 0.171 359.4)

  • #844700

    #844700

    oklch(46.3% 0.109 59.5)

Open the analogous palette in the generator

Split complementary

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

  • #A31C14

    #A31C14

    oklch(46.3% 0.171 29.1)

  • #00685A

    #00685A

    oklch(46.3% 0.084 179.3)

  • #005F8C

    #005F8C

    oklch(46.2% 0.104 239.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A31C14

    #A31C14

    oklch(46.3% 0.171 29.1)

  • #006C2C

    #006C2C

    oklch(46.4% 0.131 149.1)

  • #344CB7

    #344CB7

    oklch(46.4% 0.171 269)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A31C14

    #A31C14

    oklch(46.3% 0.171 29.1)

  • #536100

    #536100

    oklch(46.4% 0.109 119)

  • #006571

    #006571

    oklch(46.4% 0.08 208.9)

  • #6839A9

    #6839A9

    oklch(46.3% 0.171 298.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A31C14, closest first.

Similar named colors

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

Use #A31C14 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.