#A12B29

Closest named color: Brown (#A52A2A). oklch(47.4% 0.155 26.1), rgb(161, 43, 41).

Aa

White text reads best on this color (7.25:1).

About this color

#A12B29 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.155 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 7.25:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.155)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.89:1
White text7.25:1

Values

HEX#A12B29
RGBrgb(161, 43, 41)
HSLhsl(1, 59%, 40%)
OKLCHoklch(47.4% 0.155 26.1)

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 #A12B29 7.25:1 AAA Lc -89.0 Fine for body text
Black text on #A12B29 2.89:1 Fails Lc 20.0 Dividers and decoration only
#A12B29 text on white 7.25:1 AAA Lc 84.0 Fine for body text
#A12B29 text on black 2.89:1 Fails Lc -18.0 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F8E5E2

    oklch(93.6% 0.021 28.3)

  3. Step 200

    200

    #F4CFCB

    oklch(88.5% 0.042 25.3)

  4. Step 300

    300

    #EDAEA7

    oklch(80.8% 0.075 26)

  5. Step 400

    400

    #E28279

    oklch(70.8% 0.12 26.2)

  6. Step 500

    500

    #D65E56

    oklch(63% 0.153 26.2)

  7. Step 600

    600

    #C2403C

    oklch(55.7% 0.167 25.9)

  8. Step 700

    700 (this color)

    #A12B29

    oklch(47.4% 0.155 26.1)

  9. Step 800

    800

    #872A27

    oklch(42.6% 0.128 26)

  10. Step 900

    900

    #6D2824

    oklch(37.8% 0.099 26.2)

  11. Step 950

    950

    #401815

    oklch(26.9% 0.063 26.5)

Export this scale for Tailwind in the Tailwind colors tool

#A12B29 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)#4D46280.167
Deuteranopia (no green cones)#6B60250.152
Tritanopia (no blue cones)#B1002C0.043
Achromatopsia (no color)#5757570.156

Harmonies

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

Complementary

The opposite hue (180°).

  • #A12B29

    #A12B29

    oklch(47.4% 0.155 26.1)

  • #006972

    #006972

    oklch(47.5% 0.081 205.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A12B29

    #A12B29

    oklch(47.4% 0.155 26.1)

  • #9A2A5F

    #9A2A5F

    oklch(47.4% 0.155 355.8)

  • #8B4700

    #8B4700

    oklch(47.3% 0.116 56.2)

Open the analogous palette in the generator

Split complementary

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

  • #A12B29

    #A12B29

    oklch(47.4% 0.155 26.1)

  • #006C5A

    #006C5A

    oklch(47.5% 0.089 175.9)

  • #00638D

    #00638D

    oklch(47.3% 0.102 236.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A12B29

    #A12B29

    oklch(47.4% 0.155 26.1)

  • #007021

    #007021

    oklch(47.4% 0.145 146.1)

  • #3354B2

    #3354B2

    oklch(47.6% 0.155 266.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A12B29

    #A12B29

    oklch(47.4% 0.155 26.1)

  • #596300

    #596300

    oklch(47.5% 0.109 116.4)

  • #006972

    #006972

    oklch(47.5% 0.081 205.1)

  • #6643A7

    #6643A7

    oklch(47.4% 0.154 296.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A12B29, closest first.

Similar named colors

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

Use #A12B29 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.