#A8211D

Closest named color: Brown (#A52A2A). oklch(47.7% 0.171 27.8), rgb(168, 33, 29).

Aa

White text reads best on this color (7.24:1).

About this color

#A8211D is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.171 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.014 away. White text reads best on it, at 7.24:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.171)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.90:1
White text7.24:1

Values

HEX#A8211D
RGBrgb(168, 33, 29)
HSLhsl(2, 71%, 39%)
OKLCHoklch(47.7% 0.171 27.8)

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 #A8211D 7.24:1 AAA Lc -88.5 Fine for body text
Black text on #A8211D 2.90:1 Fails Lc 20.5 Dividers and decoration only
#A8211D text on white 7.24:1 AAA Lc 83.6 Fine for body text
#A8211D text on black 2.90:1 Fails Lc -18.4 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F6CEC8

    oklch(88.4% 0.046 28)

  4. Step 300

    300

    #F2ADA3

    oklch(81% 0.083 28.3)

  5. Step 400

    400

    #E87E71

    oklch(70.8% 0.133 28.2)

  6. Step 500

    500

    #DD584C

    oklch(63.1% 0.169 28)

  7. Step 600

    600

    #C9362F

    oklch(55.6% 0.185 27.7)

  8. Step 700

    700 (this color)

    #A8211D

    oklch(47.7% 0.171 27.8)

  9. Step 800

    800

    #8C231E

    oklch(42.6% 0.141 27.7)

  10. Step 900

    900

    #71231E

    oklch(37.7% 0.111 27.4)

  11. Step 950

    950

    #431612

    oklch(27.1% 0.071 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#A8211D 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)#4C441B0.186
Deuteranopia (no green cones)#6D61160.168
Tritanopia (no blue cones)#BA00220.039
Achromatopsia (no color)#5757570.173

Harmonies

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

Complementary

The opposite hue (180°).

  • #A8211D

    #A8211D

    oklch(47.7% 0.171 27.8)

  • #006975

    #006975

    oklch(47.7% 0.082 208.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A8211D

    #A8211D

    oklch(47.7% 0.171 27.8)

  • #A11F5D

    #A11F5D

    oklch(47.6% 0.171 357.5)

  • #8B4900

    #8B4900

    oklch(47.7% 0.114 57.8)

Open the analogous palette in the generator

Split complementary

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

  • #A8211D

    #A8211D

    oklch(47.7% 0.171 27.8)

  • #006D5D

    #006D5D

    oklch(47.8% 0.088 177.9)

  • #006491

    #006491

    oklch(47.8% 0.106 237.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A8211D

    #A8211D

    oklch(47.7% 0.171 27.8)

  • #007029

    #007029

    oklch(47.5% 0.138 147.8)

  • #3451BC

    #3451BC

    oklch(47.8% 0.172 267.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A8211D

    #A8211D

    oklch(47.7% 0.171 27.8)

  • #586400

    #586400

    oklch(47.6% 0.11 117.6)

  • #006975

    #006975

    oklch(47.7% 0.082 208.5)

  • #6B3EAE

    #6B3EAE

    oklch(47.7% 0.171 298.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A8211D, closest first.

Similar named colors

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

Use #A8211D 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.