#C91D0C

Closest named color: Scarlet (#BE0119). oklch(53.5% 0.206 30.2), rgb(201, 29, 12).

Aa

White text reads best on this color (5.73:1).

About this color

#C91D0C is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.206 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.034 away. White text reads best on it, at 5.73:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.206)
Temperaturewarm
Nearest nameScarlet (#BE0119)
Black text3.66:1
White text5.73:1

Values

HEX#C91D0C
RGBrgb(201, 29, 12)
HSLhsl(5, 89%, 42%)
OKLCHoklch(53.5% 0.206 30.2)

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 #C91D0C 5.73:1 AA Lc -81.9 Fine for body text
Black text on #C91D0C 3.66:1 AA large text Lc 27.5 Dividers and decoration only
#C91D0C text on white 5.73:1 AA Lc 76.6 Fine for body text
#C91D0C text on black 3.66:1 AA large text Lc -25.1 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

    #FEF3F1

    oklch(97.2% 0.012 29.9)

  2. Step 100

    100

    #FBE4DF

    oklch(93.6% 0.026 32.2)

  3. Step 200

    200

    #F9CDC5

    oklch(88.4% 0.051 30.1)

  4. Step 300

    300

    #F7AA9D

    oklch(80.9% 0.093 29.9)

  5. Step 400

    400

    #EE7967

    oklch(70.6% 0.148 30.2)

  6. Step 500

    500

    #E54F3C

    oklch(63.1% 0.189 30.3)

  7. Step 600

    600 (this color)

    #C91D0C

    oklch(53.5% 0.206 30.2)

  8. Step 700

    700

    #B41506

    oklch(49.1% 0.191 30.2)

  9. Step 800

    800

    #92180C

    oklch(42.7% 0.158 30.2)

  10. Step 900

    900

    #751E14

    oklch(37.7% 0.123 30.2)

  11. Step 950

    950

    #45130D

    oklch(26.9% 0.078 29.9)

Export this scale for Tailwind in the Tailwind colors tool

#C91D0C 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)#5A4E030.222
Deuteranopia (no green cones)#8273000.199
Tritanopia (no blue cones)#DE001D0.043
Achromatopsia (no color)#6666660.207

Harmonies

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

Complementary

The opposite hue (180°).

  • #C91D0C

    #C91D0C

    oklch(53.5% 0.206 30.2)

  • #007B8B

    #007B8B

    oklch(53.4% 0.093 210.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C91D0C

    #C91D0C

    oklch(53.5% 0.206 30.2)

  • #C21768

    #C21768

    oklch(53.5% 0.206 0.1)

  • #A05800

    #A05800

    oklch(53.4% 0.125 60)

Open the analogous palette in the generator

Split complementary

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

  • #C91D0C

    #C91D0C

    oklch(53.5% 0.206 30.2)

  • #007F70

    #007F70

    oklch(53.5% 0.097 180.7)

  • #0075AD

    #0075AD

    oklch(53.6% 0.123 240)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C91D0C

    #C91D0C

    oklch(53.5% 0.206 30.2)

  • #00843C

    #00843C

    oklch(53.6% 0.147 150.3)

  • #435BE2

    #435BE2

    oklch(53.5% 0.206 270.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C91D0C

    #C91D0C

    oklch(53.5% 0.206 30.2)

  • #647700

    #647700

    oklch(53.5% 0.127 120.1)

  • #007B8B

    #007B8B

    oklch(53.4% 0.093 210.6)

  • #8343CF

    #8343CF

    oklch(53.5% 0.205 300.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C91D0C, closest first.

No curated palette has a color within ΔE 0.04 of #C91D0C.

Similar named colors

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

Use #C91D0C 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.