#A8212C

Closest named color: Brown (#A52A2A). oklch(47.9% 0.17 22.8), rgb(168, 33, 44).

Aa

White text reads best on this color (7.19:1).

About this color

#A8212C is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.170 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.013 away. White text reads best on it, at 7.19:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.170)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.91:1
White text7.19:1

Values

HEX#A8212C
RGBrgb(168, 33, 44)
HSLhsl(355, 67%, 39%)
OKLCHoklch(47.9% 0.17 22.8)

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 #A8212C 7.19:1 AAA Lc -88.4 Fine for body text
Black text on #A8212C 2.91:1 Fails Lc 20.6 Dividers and decoration only
#A8212C text on white 7.19:1 AAA Lc 83.4 Fine for body text
#A8212C text on black 2.91:1 Fails Lc -18.5 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

    #F6CECB

    oklch(88.5% 0.046 23.1)

  4. Step 300

    300

    #F1ACA8

    oklch(80.9% 0.082 22.8)

  5. Step 400

    400

    #E77D7A

    oklch(70.7% 0.131 22.6)

  6. Step 500

    500

    #DD5758

    oklch(63.2% 0.168 22.8)

  7. Step 600

    600

    #C8363D

    oklch(55.7% 0.182 23)

  8. Step 700

    700 (this color)

    #A8212C

    oklch(47.9% 0.17 22.8)

  9. Step 800

    800

    #8C2228

    oklch(42.7% 0.141 22.7)

  10. Step 900

    900

    #712325

    oklch(37.8% 0.11 22.7)

  11. Step 950

    950

    #421616

    oklch(27% 0.069 22.8)

Export this scale for Tailwind in the Tailwind colors tool

#A8212C 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)#4B452B0.186
Deuteranopia (no green cones)#6C62270.171
Tritanopia (no blue cones)#B900270.035
Achromatopsia (no color)#5757570.171

Harmonies

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

Complementary

The opposite hue (180°).

  • #A8212C

    #A8212C

    oklch(47.9% 0.17 22.8)

  • #006A71

    #006A71

    oklch(47.8% 0.081 202.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A8212C

    #A8212C

    oklch(47.9% 0.17 22.8)

  • #9F2366

    #9F2366

    oklch(47.9% 0.17 352.7)

  • #904500

    #904500

    oklch(47.8% 0.122 52.7)

Open the analogous palette in the generator

Split complementary

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

  • #A8212C

    #A8212C

    oklch(47.9% 0.17 22.8)

  • #006E58

    #006E58

    oklch(48% 0.092 172.6)

  • #00668B

    #00668B

    oklch(47.9% 0.098 232.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A8212C

    #A8212C

    oklch(47.9% 0.17 22.8)

  • #007205

    #007205

    oklch(47.9% 0.161 142.8)

  • #2555BB

    #2555BB

    oklch(47.9% 0.17 262.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A8212C

    #A8212C

    oklch(47.9% 0.17 22.8)

  • #5E6300

    #5E6300

    oklch(47.9% 0.107 113.2)

  • #006A71

    #006A71

    oklch(47.8% 0.081 202.8)

  • #6442B2

    #6442B2

    oklch(47.9% 0.169 292.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A8212C, closest first.

Similar named colors

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

Use #A8212C 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.