#B11A3E

Closest named color: Rouge (#AB1239). oklch(49.4% 0.183 15.3), rgb(177, 26, 62).

Aa

White text reads best on this color (6.80:1).

About this color

#B11A3E is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.016 away. White text reads best on it, at 6.80:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text3.08:1
White text6.80:1

Values

HEX#B11A3E
RGBrgb(177, 26, 62)
HSLhsl(346, 74%, 40%)
OKLCHoklch(49.4% 0.183 15.3)

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 #B11A3E 6.80:1 AA Lc -86.8 Fine for body text
Black text on #B11A3E 3.08:1 AA large text Lc 22.4 Dividers and decoration only
#B11A3E text on white 6.80:1 AA Lc 81.7 Fine for body text
#B11A3E text on black 3.08:1 AA large text Lc -20.2 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FBE3E4

    oklch(93.6% 0.026 14.7)

  3. Step 200

    200

    #F8CDCE

    oklch(88.6% 0.049 16.5)

  4. Step 300

    300

    #F4A9AE

    oklch(80.8% 0.089 14.8)

  5. Step 400

    400

    #EB7883

    oklch(70.7% 0.142 15.4)

  6. Step 500

    500

    #E14F65

    oklch(63.1% 0.181 15.2)

  7. Step 600

    600

    #CC294C

    oklch(55.6% 0.197 15.2)

  8. Step 700

    700 (this color)

    #B11A3E

    oklch(49.4% 0.183 15.3)

  9. Step 800

    800

    #8F1A33

    oklch(42.8% 0.151 15.2)

  10. Step 900

    900

    #731E2C

    oklch(37.7% 0.118 15.6)

  11. Step 950

    950

    #44131A

    oklch(27% 0.075 15.3)

Export this scale for Tailwind in the Tailwind colors tool

#B11A3E 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)#4A473E0.204
Deuteranopia (no green cones)#6F663A0.186
Tritanopia (no blue cones)#C3002B0.041
Achromatopsia (no color)#5B5B5B0.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #B11A3E

    #B11A3E

    oklch(49.4% 0.183 15.3)

  • #007071

    #007071

    oklch(49.4% 0.084 195.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B11A3E

    #B11A3E

    oklch(49.4% 0.183 15.3)

  • #A32378

    #A32378

    oklch(49.4% 0.182 345.3)

  • #9F4000

    #9F4000

    oklch(49.4% 0.141 45.2)

Open the analogous palette in the generator

Split complementary

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

  • #B11A3E

    #B11A3E

    oklch(49.4% 0.183 15.3)

  • #007453

    #007453

    oklch(49.5% 0.104 165.1)

  • #006C8A

    #006C8A

    oklch(49.5% 0.094 225.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B11A3E

    #B11A3E

    oklch(49.4% 0.183 15.3)

  • #387200

    #387200

    oklch(49.3% 0.145 135.3)

  • #005FBB

    #005FBB

    oklch(49.4% 0.163 255.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B11A3E

    #B11A3E

    oklch(49.4% 0.183 15.3)

  • #6B6400

    #6B6400

    oklch(49.4% 0.105 104.8)

  • #007071

    #007071

    oklch(49.4% 0.084 195.9)

  • #5D48C2

    #5D48C2

    oklch(49.4% 0.182 285.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B11A3E, closest first.

Similar named colors

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

Use #B11A3E 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.