#A12D2B

Closest named color: Brown (#A52A2A). oklch(47.7% 0.153 25.9), rgb(161, 45, 43).

Aa

White text reads best on this color (7.17:1).

About this color

#A12D2B is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.153 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.008 away. White text reads best on it, at 7.17:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.153)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.92:1
White text7.17:1

Values

HEX#A12D2B
RGBrgb(161, 45, 43)
HSLhsl(1, 58%, 40%)
OKLCHoklch(47.7% 0.153 25.9)

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 #A12D2B 7.17:1 AAA Lc -88.7 Fine for body text
Black text on #A12D2B 2.92:1 Fails Lc 20.3 Dividers and decoration only
#A12D2B text on white 7.17:1 AAA Lc 83.8 Fine for body text
#A12D2B text on black 2.92:1 Fails Lc -18.2 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F8E5E2

    oklch(93.6% 0.021 28.3)

  3. Step 200

    200

    #F3CFCB

    oklch(88.4% 0.041 25.4)

  4. Step 300

    300

    #EDAFA8

    oklch(81% 0.074 26.1)

  5. Step 400

    400

    #E1827A

    oklch(70.7% 0.118 25.6)

  6. Step 500

    500

    #D55F58

    oklch(63.1% 0.15 25.7)

  7. Step 600

    600

    #C1413D

    oklch(55.6% 0.165 25.8)

  8. Step 700

    700 (this color)

    #A12D2B

    oklch(47.7% 0.153 25.9)

  9. Step 800

    800

    #872B28

    oklch(42.8% 0.126 25.9)

  10. Step 900

    900

    #6C2825

    oklch(37.6% 0.098 25.4)

  11. Step 950

    950

    #401816

    oklch(27% 0.063 25.1)

Export this scale for Tailwind in the Tailwind colors tool

#A12D2B 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)#4E472A0.164
Deuteranopia (no green cones)#6B61270.151
Tritanopia (no blue cones)#B1002E0.045
Achromatopsia (no color)#5757570.154

Harmonies

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

Complementary

The opposite hue (180°).

  • #A12D2B

    #A12D2B

    oklch(47.7% 0.153 25.9)

  • #006973

    #006973

    oklch(47.6% 0.081 206.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A12D2B

    #A12D2B

    oklch(47.7% 0.153 25.9)

  • #9A2C5F

    #9A2C5F

    oklch(47.6% 0.152 356.2)

  • #8D4800

    #8D4800

    oklch(47.8% 0.117 56.1)

Open the analogous palette in the generator

Split complementary

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

  • #A12D2B

    #A12D2B

    oklch(47.7% 0.153 25.9)

  • #006D5B

    #006D5B

    oklch(47.8% 0.089 176)

  • #00648E

    #00648E

    oklch(47.6% 0.102 236.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A12D2B

    #A12D2B

    oklch(47.7% 0.153 25.9)

  • #007121

    #007121

    oklch(47.7% 0.146 146)

  • #3355B1

    #3355B1

    oklch(47.7% 0.152 265.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A12D2B

    #A12D2B

    oklch(47.7% 0.153 25.9)

  • #5A6300

    #5A6300

    oklch(47.5% 0.108 115.8)

  • #006973

    #006973

    oklch(47.6% 0.081 206.2)

  • #6644A7

    #6644A7

    oklch(47.6% 0.153 295.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A12D2B, closest first.

Similar named colors

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

Use #A12D2B 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.