#A32837

Closest named color: Brown (#A52A2A). oklch(47.7% 0.158 19.2), rgb(163, 40, 55).

Aa

White text reads best on this color (7.20:1).

About this color

#A32837 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.158 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.018 away. White text reads best on it, at 7.20:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.158)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.91:1
White text7.20:1

Values

HEX#A32837
RGBrgb(163, 40, 55)
HSLhsl(353, 61%, 40%)
OKLCHoklch(47.7% 0.158 19.2)

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 #A32837 7.20:1 AAA Lc -88.7 Fine for body text
Black text on #A32837 2.91:1 Fails Lc 20.3 Dividers and decoration only
#A32837 text on white 7.20:1 AAA Lc 83.7 Fine for body text
#A32837 text on black 2.91:1 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

    #FCF3F3

    oklch(97.1% 0.01 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F4CFCE

    oklch(88.6% 0.042 19.8)

  4. Step 300

    300

    #EEADAD

    oklch(80.8% 0.077 18.9)

  5. Step 400

    400

    #E37F82

    oklch(70.7% 0.124 18.8)

  6. Step 500

    500

    #D75B62

    oklch(63% 0.156 19.3)

  7. Step 600

    600

    #C33C49

    oklch(55.6% 0.171 19.4)

  8. Step 700

    700 (this color)

    #A32837

    oklch(47.7% 0.158 19.2)

  9. Step 800

    800

    #882731

    oklch(42.7% 0.131 19)

  10. Step 900

    900

    #6E262B

    oklch(37.8% 0.102 19.4)

  11. Step 950

    950

    #411719

    oklch(27% 0.066 19.7)

Export this scale for Tailwind in the Tailwind colors tool

#A32837 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)#4B47370.174
Deuteranopia (no green cones)#6A61330.160
Tritanopia (no blue cones)#B3002F0.037
Achromatopsia (no color)#5757570.160

Harmonies

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

Complementary

The opposite hue (180°).

  • #A32837

    #A32837

    oklch(47.7% 0.158 19.2)

  • #006A6E

    #006A6E

    oklch(47.6% 0.081 199.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A32837

    #A32837

    oklch(47.7% 0.158 19.2)

  • #992B6A

    #992B6A

    oklch(47.8% 0.158 349.6)

  • #934200

    #934200

    oklch(47.7% 0.127 49.6)

Open the analogous palette in the generator

Split complementary

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

  • #A32837

    #A32837

    oklch(47.7% 0.158 19.2)

  • #006E54

    #006E54

    oklch(47.8% 0.096 169.2)

  • #006687

    #006687

    oklch(47.7% 0.094 229.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A32837

    #A32837

    oklch(47.7% 0.158 19.2)

  • #246F00

    #246F00

    oklch(47.6% 0.151 139.2)

  • #1C58B4

    #1C58B4

    oklch(47.7% 0.159 259.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A32837

    #A32837

    oklch(47.7% 0.158 19.2)

  • #626100

    #626100

    oklch(47.8% 0.104 109.1)

  • #006A6E

    #006A6E

    oklch(47.6% 0.081 199.4)

  • #5E47AE

    #5E47AE

    oklch(47.8% 0.157 289.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A32837, closest first.

Similar named colors

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

Use #A32837 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.