#B22942

Closest named color: Rouge (#AB1239). oklch(50.7% 0.172 16.1), rgb(178, 41, 66).

Aa

White text reads best on this color (6.38:1).

About this color

#B22942 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.172 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.031 away. White text reads best on it, at 6.38:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.172)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text3.28:1
White text6.38:1

Values

HEX#B22942
RGBrgb(178, 41, 66)
HSLhsl(349, 63%, 43%)
OKLCHoklch(50.7% 0.172 16.1)

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 #B22942 6.38:1 AA Lc -85.5 Fine for body text
Black text on #B22942 3.28:1 AA large text Lc 23.7 Dividers and decoration only
#B22942 text on white 6.38:1 AA Lc 80.4 Fine for body text
#B22942 text on black 3.28:1 AA large text Lc -21.5 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

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #FAE4E4

    oklch(93.7% 0.024 17.6)

  3. Step 200

    200

    #F6CDCF

    oklch(88.4% 0.046 14.8)

  4. Step 300

    300

    #F2ABAE

    oklch(80.9% 0.084 16.3)

  5. Step 400

    400

    #E77B84

    oklch(70.6% 0.133 15.8)

  6. Step 500

    500

    #DD5465

    oklch(63.1% 0.171 16.1)

  7. Step 600

    600

    #C8324D

    oklch(55.6% 0.185 15.9)

  8. Step 700

    700 (this color)

    #B22942

    oklch(50.7% 0.172 16.1)

  9. Step 800

    800

    #8C2033

    oklch(42.7% 0.143 16.1)

  10. Step 900

    900

    #71222D

    oklch(37.8% 0.111 16.2)

  11. Step 950

    950

    #42151A

    oklch(26.9% 0.07 16.4)

Export this scale for Tailwind in the Tailwind colors tool

#B22942 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)#504D420.191
Deuteranopia (no green cones)#73693E0.174
Tritanopia (no blue cones)#C300340.038
Achromatopsia (no color)#5F5F5F0.174

Harmonies

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

Complementary

The opposite hue (180°).

  • #B22942

    #B22942

    oklch(50.7% 0.172 16.1)

  • #007475

    #007475

    oklch(50.6% 0.086 195.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B22942

    #B22942

    oklch(50.7% 0.172 16.1)

  • #A52E79

    #A52E79

    oklch(50.7% 0.172 346.3)

  • #A44400

    #A44400

    oklch(50.7% 0.142 46.1)

Open the analogous palette in the generator

Split complementary

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

  • #B22942

    #B22942

    oklch(50.7% 0.172 16.1)

  • #007857

    #007857

    oklch(50.8% 0.106 165.8)

  • #007090

    #007090

    oklch(50.8% 0.097 226.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B22942

    #B22942

    oklch(50.7% 0.172 16.1)

  • #377700

    #377700

    oklch(50.6% 0.151 136.2)

  • #0362C4

    #0362C4

    oklch(50.7% 0.171 255.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B22942

    #B22942

    oklch(50.7% 0.172 16.1)

  • #6E6800

    #6E6800

    oklch(50.7% 0.108 105.7)

  • #007475

    #007475

    oklch(50.6% 0.086 195.8)

  • #614EC1

    #614EC1

    oklch(50.7% 0.173 286.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B22942, closest first.

Similar named colors

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

Use #B22942 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.