#B11240

Closest named color: Rouge (#AB1239). oklch(49% 0.187 13.5), rgb(177, 18, 64).

Aa

White text reads best on this color (6.93:1).

About this color

#B11240 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.187 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.015 away. White text reads best on it, at 6.93:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.187)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text3.02:1
White text6.93:1

Values

HEX#B11240
RGBrgb(177, 18, 64)
HSLhsl(343, 82%, 38%)
OKLCHoklch(49% 0.187 13.5)

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 #B11240 6.93:1 AA Lc -87.1 Fine for body text
Black text on #B11240 3.02:1 AA large text Lc 22.1 Dividers and decoration only
#B11240 text on white 6.93:1 AA Lc 82.0 Fine for body text
#B11240 text on black 3.02:1 AA large text Lc -19.9 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

    #FEF2F3

    oklch(97.1% 0.013 11.5)

  2. Step 100

    100

    #FBE3E5

    oklch(93.6% 0.026 11.9)

  3. Step 200

    200

    #F9CCCF

    oklch(88.5% 0.051 13.7)

  4. Step 300

    300

    #F5A9AF

    oklch(80.9% 0.09 14.1)

  5. Step 400

    400

    #EC7786

    oklch(70.7% 0.145 13.5)

  6. Step 500

    500

    #E24D68

    oklch(63.1% 0.184 13.5)

  7. Step 600

    600

    #CD254F

    oklch(55.5% 0.201 13.7)

  8. Step 700

    700 (this color)

    #B11240

    oklch(49% 0.187 13.5)

  9. Step 800

    800

    #901635

    oklch(42.7% 0.155 13.6)

  10. Step 900

    900

    #741C2E

    oklch(37.7% 0.121 13.6)

  11. Step 950

    950

    #44121B

    oklch(26.9% 0.077 13.3)

Export this scale for Tailwind in the Tailwind colors tool

#B11240 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)#4745400.210
Deuteranopia (no green cones)#6E653C0.191
Tritanopia (no blue cones)#C200290.043
Achromatopsia (no color)#5A5A5A0.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #B11240

    #B11240

    oklch(49% 0.187 13.5)

  • #006F6E

    #006F6E

    oklch(49% 0.084 193.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B11240

    #B11240

    oklch(49% 0.187 13.5)

  • #A21F7B

    #A21F7B

    oklch(49.1% 0.187 343.4)

  • #A03D00

    #A03D00

    oklch(49.1% 0.144 43.5)

Open the analogous palette in the generator

Split complementary

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

  • #B11240

    #B11240

    oklch(49% 0.187 13.5)

  • #007350

    #007350

    oklch(49.2% 0.105 163.6)

  • #006B87

    #006B87

    oklch(49% 0.092 224)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B11240

    #B11240

    oklch(49% 0.187 13.5)

  • #3D7000

    #3D7000

    oklch(49% 0.14 133.6)

  • #0060B4

    #0060B4

    oklch(49.1% 0.153 253.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B11240

    #B11240

    oklch(49% 0.187 13.5)

  • #6B6200

    #6B6200

    oklch(48.9% 0.103 103.3)

  • #006F6E

    #006F6E

    oklch(49% 0.084 193.7)

  • #5947C4

    #5947C4

    oklch(49.1% 0.186 283.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B11240, closest first.

Similar named colors

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

Use #B11240 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.