#A22A1B

Closest named color: Brown (#A52A2A). oklch(47.3% 0.159 30.7), rgb(162, 42, 27).

Aa

White text reads best on this color (7.28:1).

About this color

#A22A1B is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.159 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.016 away. White text reads best on it, at 7.28:1.

Hue familyReds
Lightnessmedium-dark (47%)
Chromavivid (0.159)
Temperaturewarm
Nearest nameBrown (#A52A2A)
Black text2.88:1
White text7.28:1

Values

HEX#A22A1B
RGBrgb(162, 42, 27)
HSLhsl(7, 71%, 37%)
OKLCHoklch(47.3% 0.159 30.7)

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 #A22A1B 7.28:1 AAA Lc -89.0 Fine for body text
Black text on #A22A1B 2.88:1 Fails Lc 20.0 Dividers and decoration only
#A22A1B text on white 7.28:1 AAA Lc 84.0 Fine for body text
#A22A1B text on black 2.88:1 Fails Lc -17.9 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

    #FCF3F1

    oklch(97.1% 0.01 32.5)

  2. Step 100

    100

    #F8E5E1

    oklch(93.6% 0.022 31.8)

  3. Step 200

    200

    #F4CFC8

    oklch(88.4% 0.043 30.5)

  4. Step 300

    300

    #EEAFA3

    oklch(81% 0.076 31)

  5. Step 400

    400

    #E38271

    oklch(70.8% 0.123 30.9)

  6. Step 500

    500

    #D85E4C

    oklch(63.2% 0.157 30.5)

  7. Step 600

    600

    #C3402E

    oklch(55.6% 0.17 30.8)

  8. Step 700

    700 (this color)

    #A22A1B

    oklch(47.3% 0.159 30.7)

  9. Step 800

    800

    #882A1D

    oklch(42.7% 0.131 30.9)

  10. Step 900

    900

    #6E281D

    oklch(37.8% 0.102 31.2)

  11. Step 950

    950

    #411812

    oklch(27% 0.065 30.3)

Export this scale for Tailwind in the Tailwind colors tool

#A22A1B 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)#4E46180.169
Deuteranopia (no green cones)#6C60150.153
Tritanopia (no blue cones)#B300280.047
Achromatopsia (no color)#5656560.160

Harmonies

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

Complementary

The opposite hue (180°).

  • #A22A1B

    #A22A1B

    oklch(47.3% 0.159 30.7)

  • #006876

    #006876

    oklch(47.4% 0.082 210.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A22A1B

    #A22A1B

    oklch(47.3% 0.159 30.7)

  • #9D2657

    #9D2657

    oklch(47.3% 0.159 0.6)

  • #874A00

    #874A00

    oklch(47.3% 0.11 60.6)

Open the analogous palette in the generator

Split complementary

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

  • #A22A1B

    #A22A1B

    oklch(47.3% 0.159 30.7)

  • #006B5E

    #006B5E

    oklch(47.3% 0.085 180.6)

  • #006293

    #006293

    oklch(47.4% 0.11 240.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A22A1B

    #A22A1B

    oklch(47.3% 0.159 30.7)

  • #006F33

    #006F33

    oklch(47.4% 0.128 150.8)

  • #3C50B3

    #3C50B3

    oklch(47.3% 0.158 270.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A22A1B

    #A22A1B

    oklch(47.3% 0.159 30.7)

  • #536400

    #536400

    oklch(47.2% 0.113 120.5)

  • #006876

    #006876

    oklch(47.4% 0.082 210.8)

  • #6C3FA5

    #6C3FA5

    oklch(47.3% 0.159 300.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A22A1B, closest first.

Similar named colors

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

Use #A22A1B 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.