#B22938

Closest named color: Firebrick (#B22222). oklch(50.5% 0.172 20.5), rgb(178, 41, 56).

Aa

White text reads best on this color (6.42:1).

About this color

#B22938 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.172 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.023 away. White text reads best on it, at 6.42:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.172)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text3.26:1
White text6.42:1

Values

HEX#B22938
RGBrgb(178, 41, 56)
HSLhsl(353, 63%, 43%)
OKLCHoklch(50.5% 0.172 20.5)

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 #B22938 6.42:1 AA Lc -85.7 Fine for body text
Black text on #B22938 3.26:1 AA large text Lc 23.5 Dividers and decoration only
#B22938 text on white 6.42:1 AA Lc 80.5 Fine for body text
#B22938 text on black 3.26:1 AA large text Lc -21.3 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

    #FAE4E3

    oklch(93.6% 0.024 20.7)

  3. Step 200

    200

    #F7CECC

    oklch(88.6% 0.047 21.4)

  4. Step 300

    300

    #F2ABAA

    oklch(80.8% 0.084 20)

  5. Step 400

    400

    #E87C7D

    oklch(70.7% 0.134 20.4)

  6. Step 500

    500

    #DD555C

    oklch(63% 0.17 20.4)

  7. Step 600

    600

    #C93342

    oklch(55.6% 0.186 20.6)

  8. Step 700

    700 (this color)

    #B22938

    oklch(50.5% 0.172 20.5)

  9. Step 800

    800

    #8C212C

    oklch(42.7% 0.142 20.3)

  10. Step 900

    900

    #712227

    oklch(37.7% 0.111 20.7)

  11. Step 950

    950

    #431517

    oklch(27% 0.071 20.7)

Export this scale for Tailwind in the Tailwind colors tool

#B22938 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)#514C370.190
Deuteranopia (no green cones)#7469340.173
Tritanopia (no blue cones)#C400300.039
Achromatopsia (no color)#5F5F5F0.173

Harmonies

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

Complementary

The opposite hue (180°).

  • #B22938

    #B22938

    oklch(50.5% 0.172 20.5)

  • #007378

    #007378

    oklch(50.5% 0.086 200.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B22938

    #B22938

    oklch(50.5% 0.172 20.5)

  • #A72C72

    #A72C72

    oklch(50.5% 0.172 350.2)

  • #9E4900

    #9E4900

    oklch(50.6% 0.133 50.6)

Open the analogous palette in the generator

Split complementary

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

  • #B22938

    #B22938

    oklch(50.5% 0.172 20.5)

  • #00775C

    #00775C

    oklch(50.6% 0.1 169.9)

  • #006E93

    #006E93

    oklch(50.4% 0.101 230.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B22938

    #B22938

    oklch(50.5% 0.172 20.5)

  • #1E7A00

    #1E7A00

    oklch(50.7% 0.165 140.5)

  • #225EC5

    #225EC5

    oklch(50.5% 0.173 260.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B22938

    #B22938

    oklch(50.5% 0.172 20.5)

  • #696A00

    #696A00

    oklch(50.7% 0.111 110.4)

  • #007378

    #007378

    oklch(50.5% 0.086 200.1)

  • #684BBE

    #684BBE

    oklch(50.6% 0.172 290.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B22938, closest first.

Similar named colors

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

Use #B22938 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.