#C91F5F

Closest named color: Ruby (#CA0147). oklch(54.9% 0.204 5.9), rgb(201, 31, 95).

Aa

White text reads best on this color (5.46:1).

About this color

#C91F5F is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.204 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.033 away. White text reads best on it, at 5.46:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.204)
Temperaturewarm
Nearest nameRuby (#CA0147)
Black text3.84:1
White text5.46:1

Values

HEX#C91F5F
RGBrgb(201, 31, 95)
HSLhsl(337, 73%, 45%)
OKLCHoklch(54.9% 0.204 5.9)

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 #C91F5F 5.46:1 AA Lc -80.8 Fine for body text
Black text on #C91F5F 3.84:1 AA large text Lc 28.6 Dividers and decoration only
#C91F5F text on white 5.46:1 AA Lc 75.4 Fine for body text
#C91F5F text on black 3.84:1 AA large text Lc -26.3 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

    #FDF2F4

    oklch(97% 0.012 4.7)

  2. Step 100

    100

    #FBE3E7

    oklch(93.6% 0.027 6.2)

  3. Step 200

    200

    #F8CCD4

    oklch(88.5% 0.051 5.9)

  4. Step 300

    300

    #F4A8B8

    oklch(80.9% 0.092 5.5)

  5. Step 400

    400

    #EB7693

    oklch(70.8% 0.147 5.9)

  6. Step 500

    500

    #E04B78

    oklch(63% 0.187 5.9)

  7. Step 600

    600 (this color)

    #C91F5F

    oklch(54.9% 0.204 5.9)

  8. Step 700

    700

    #B01050

    oklch(49.2% 0.189 6.1)

  9. Step 800

    800

    #8F1542

    oklch(42.8% 0.157 6)

  10. Step 900

    900

    #731B38

    oklch(37.7% 0.123 5.6)

  11. Step 950

    950

    #441221

    oklch(27.1% 0.078 5.6)

Export this scale for Tailwind in the Tailwind colors tool

#C91F5F 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)#5054600.230
Deuteranopia (no green cones)#7C755B0.207
Tritanopia (no blue cones)#DB003D0.056
Achromatopsia (no color)#6969690.205

Harmonies

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

Complementary

The opposite hue (180°).

  • #C91F5F

    #C91F5F

    oklch(54.9% 0.204 5.9)

  • #008379

    #008379

    oklch(54.9% 0.096 185.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C91F5F

    #C91F5F

    oklch(54.9% 0.204 5.9)

  • #B42F9D

    #B42F9D

    oklch(54.8% 0.204 336)

  • #C63600

    #C63600

    oklch(54.8% 0.188 36)

Open the analogous palette in the generator

Split complementary

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

  • #C91F5F

    #C91F5F

    oklch(54.9% 0.204 5.9)

  • #00874E

    #00874E

    oklch(54.8% 0.134 155.8)

  • #007F95

    #007F95

    oklch(54.9% 0.097 215.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C91F5F

    #C91F5F

    oklch(54.9% 0.204 5.9)

  • #5D7E00

    #5D7E00

    oklch(54.7% 0.139 125.8)

  • #0076BD

    #0076BD

    oklch(54.8% 0.141 245.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C91F5F

    #C91F5F

    oklch(54.9% 0.204 5.9)

  • #857000

    #857000

    oklch(54.9% 0.113 96)

  • #008379

    #008379

    oklch(54.9% 0.096 185.5)

  • #575BE4

    #575BE4

    oklch(54.8% 0.203 276.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C91F5F, closest first.

Similar named colors

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

Use #C91F5F 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.