#B11222

Closest named color: Firebrick (#B22222). oklch(48.6% 0.188 24.5), rgb(177, 18, 34).

Aa

White text reads best on this color (7.04:1).

About this color

#B11222 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.188 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.016 away. White text reads best on it, at 7.04:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.188)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text2.97:1
White text7.04:1

Values

HEX#B11222
RGBrgb(177, 18, 34)
HSLhsl(354, 82%, 38%)
OKLCHoklch(48.6% 0.188 24.5)

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 #B11222 7.04:1 AAA Lc -87.4 Fine for body text
Black text on #B11222 2.97:1 Fails Lc 21.7 Dividers and decoration only
#B11222 text on white 7.04:1 AAA Lc 82.3 Fine for body text
#B11222 text on black 2.97:1 Fails Lc -19.6 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F9CDC9

    oklch(88.5% 0.05 24.2)

  4. Step 300

    300

    #F6AAA4

    oklch(80.9% 0.091 24.3)

  5. Step 400

    400

    #ED7872

    oklch(70.6% 0.145 24.5)

  6. Step 500

    500

    #E44F4E

    oklch(63.2% 0.185 24.5)

  7. Step 600

    600

    #CF2731

    oklch(55.5% 0.202 24.4)

  8. Step 700

    700 (this color)

    #B11222

    oklch(48.6% 0.188 24.5)

  9. Step 800

    800

    #91181F

    oklch(42.7% 0.155 24.5)

  10. Step 900

    900

    #751D1F

    oklch(37.7% 0.122 24.1)

  11. Step 950

    950

    #451313

    oklch(27% 0.077 23.8)

Export this scale for Tailwind in the Tailwind colors tool

#B11222 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)#4B43210.206
Deuteranopia (no green cones)#70641A0.188
Tritanopia (no blue cones)#C3001B0.036
Achromatopsia (no color)#5959590.189

Harmonies

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

Complementary

The opposite hue (180°).

  • #B11222

    #B11222

    oklch(48.6% 0.188 24.5)

  • #006C75

    #006C75

    oklch(48.5% 0.083 204.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B11222

    #B11222

    oklch(48.6% 0.188 24.5)

  • #A81565

    #A81565

    oklch(48.6% 0.188 354.7)

  • #924800

    #924800

    oklch(48.6% 0.122 54.1)

Open the analogous palette in the generator

Split complementary

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

  • #B11222

    #B11222

    oklch(48.6% 0.188 24.5)

  • #00705C

    #00705C

    oklch(48.7% 0.092 174.6)

  • #006790

    #006790

    oklch(48.5% 0.102 234.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B11222

    #B11222

    oklch(48.6% 0.188 24.5)

  • #007418

    #007418

    oklch(48.5% 0.155 144.4)

  • #2753C7

    #2753C7

    oklch(48.6% 0.187 264.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B11222

    #B11222

    oklch(48.6% 0.188 24.5)

  • #5E6500

    #5E6500

    oklch(48.4% 0.109 114.4)

  • #006C75

    #006C75

    oklch(48.5% 0.083 204.9)

  • #6A3DBC

    #6A3DBC

    oklch(48.5% 0.188 294.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B11222, closest first.

Similar named colors

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

Use #B11222 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.