#C91E3B

Closest named color: Cherry (#CF0234). oklch(54% 0.201 19.7), rgb(201, 30, 59).

Aa

White text reads best on this color (5.62:1).

About this color

#C91E3B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.201 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.016 away. White text reads best on it, at 5.62:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.201)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.73:1
White text5.62:1

Values

HEX#C91E3B
RGBrgb(201, 30, 59)
HSLhsl(350, 74%, 45%)
OKLCHoklch(54% 0.201 19.7)

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 #C91E3B 5.62:1 AA Lc -81.6 Fine for body text
Black text on #C91E3B 3.73:1 AA large text Lc 27.9 Dividers and decoration only
#C91E3B text on white 5.62:1 AA Lc 76.2 Fine for body text
#C91E3B text on black 3.73:1 AA large text Lc -25.5 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 600.

  1. Step 50

    50

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FBE3E3

    oklch(93.5% 0.026 17.6)

  3. Step 200

    200

    #F9CDCC

    oklch(88.6% 0.05 19.7)

  4. Step 300

    300

    #F6A9A9

    oklch(80.9% 0.091 19.2)

  5. Step 400

    400

    #ED787B

    oklch(70.8% 0.144 19.8)

  6. Step 500

    500

    #E34E5A

    oklch(63.1% 0.184 19.6)

  7. Step 600

    600 (this color)

    #C91E3B

    oklch(54% 0.201 19.7)

  8. Step 700

    700

    #B21432

    oklch(49.1% 0.187 19.5)

  9. Step 800

    800

    #91172A

    oklch(42.8% 0.155 19.5)

  10. Step 900

    900

    #741D26

    oklch(37.7% 0.12 19.6)

  11. Step 950

    950

    #451316

    oklch(27.1% 0.077 20.4)

Export this scale for Tailwind in the Tailwind colors tool

#C91E3B 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)#56513B0.224
Deuteranopia (no green cones)#8074350.204
Tritanopia (no blue cones)#DD002C0.040
Achromatopsia (no color)#6767670.203

Harmonies

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

Complementary

The opposite hue (180°).

  • #C91E3B

    #C91E3B

    oklch(54% 0.201 19.7)

  • #007E83

    #007E83

    oklch(53.9% 0.092 199.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C91E3B

    #C91E3B

    oklch(54% 0.201 19.7)

  • #BC2580

    #BC2580

    oklch(54.1% 0.201 349.5)

  • #AE4F00

    #AE4F00

    oklch(54% 0.144 49.4)

Open the analogous palette in the generator

Split complementary

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

  • #C91E3B

    #C91E3B

    oklch(54% 0.201 19.7)

  • #008265

    #008265

    oklch(54% 0.107 170.1)

  • #0079A1

    #0079A1

    oklch(54% 0.108 230.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C91E3B

    #C91E3B

    oklch(54% 0.201 19.7)

  • #298500

    #298500

    oklch(54.1% 0.173 139.7)

  • #1466E1

    #1466E1

    oklch(54% 0.202 259.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C91E3B

    #C91E3B

    oklch(54% 0.201 19.7)

  • #747400

    #747400

    oklch(54.1% 0.118 109.8)

  • #007E83

    #007E83

    oklch(53.9% 0.092 199.7)

  • #724ED9

    #724ED9

    oklch(54% 0.202 289.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C91E3B, closest first.

Similar named colors

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

Use #C91E3B 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.