#A71C29

Closest named color: Brown (#A52A2A). oklch(47.3% 0.173 22.9), rgb(167, 28, 41).

Aa

White text reads best on this color (7.39:1).

About this color

#A71C29 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.173 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.017 away. White text reads best on it, at 7.39:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.173)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.84:1
White text7.39:1

Values

HEX#A71C29
RGBrgb(167, 28, 41)
HSLhsl(354, 71%, 38%)
OKLCHoklch(47.3% 0.173 22.9)

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 #A71C29 7.39:1 AAA Lc -89.0 Fine for body text
Black text on #A71C29 2.84:1 Fails Lc 20.0 Dividers and decoration only
#A71C29 text on white 7.39:1 AAA Lc 84.0 Fine for body text
#A71C29 text on black 2.84:1 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CECB

    oklch(88.6% 0.047 23)

  4. Step 300

    300

    #F2ACA7

    oklch(80.9% 0.083 23.6)

  5. Step 400

    400

    #E87C79

    oklch(70.7% 0.134 22.7)

  6. Step 500

    500

    #DE5657

    oklch(63.2% 0.171 22.9)

  7. Step 600

    600

    #C9343C

    oklch(55.6% 0.185 23)

  8. Step 700

    700 (this color)

    #A71C29

    oklch(47.3% 0.173 22.9)

  9. Step 800

    800

    #8D2127

    oklch(42.8% 0.143 23)

  10. Step 900

    900

    #712224

    oklch(37.6% 0.111 22.8)

  11. Step 950

    950

    #431515

    oklch(27% 0.072 23.2)

Export this scale for Tailwind in the Tailwind colors tool

#A71C29 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)#4943280.190
Deuteranopia (no green cones)#6B60240.173
Tritanopia (no blue cones)#B800230.034
Achromatopsia (no color)#5656560.174

Harmonies

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

Complementary

The opposite hue (180°).

  • #A71C29

    #A71C29

    oklch(47.3% 0.173 22.9)

  • #006870

    #006870

    oklch(47.2% 0.08 204.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A71C29

    #A71C29

    oklch(47.3% 0.173 22.9)

  • #9E1E64

    #9E1E64

    oklch(47.3% 0.173 353)

  • #8E4400

    #8E4400

    oklch(47.3% 0.12 52.7)

Open the analogous palette in the generator

Split complementary

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

  • #A71C29

    #A71C29

    oklch(47.3% 0.173 22.9)

  • #006C57

    #006C57

    oklch(47.4% 0.091 173.1)

  • #006489

    #006489

    oklch(47.3% 0.097 232.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A71C29

    #A71C29

    oklch(47.3% 0.173 22.9)

  • #007006

    #007006

    oklch(47.3% 0.159 142.9)

  • #2353BB

    #2353BB

    oklch(47.4% 0.172 262.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A71C29

    #A71C29

    oklch(47.3% 0.173 22.9)

  • #5D6100

    #5D6100

    oklch(47.3% 0.105 112.6)

  • #006870

    #006870

    oklch(47.2% 0.08 204.1)

  • #633FB1

    #633FB1

    oklch(47.3% 0.172 293.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A71C29, closest first.

Similar named colors

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

Use #A71C29 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.