#C31C2E

Closest named color: Lipstick Red (#C0022F). oklch(52.6% 0.198 23.1), rgb(195, 28, 46).

Aa

White text reads best on this color (5.95:1).

About this color

#C31C2E is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.198 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.019 away. White text reads best on it, at 5.95:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.198)
Temperaturewarm
Nearest nameLipstick Red (#C0022F)
Black text3.52:1
White text5.95:1

Values

HEX#C31C2E
RGBrgb(195, 28, 46)
HSLhsl(354, 75%, 44%)
OKLCHoklch(52.6% 0.198 23.1)

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 #C31C2E 5.95:1 AA Lc -83.1 Fine for body text
Black text on #C31C2E 3.52:1 AA large text Lc 26.2 Dividers and decoration only
#C31C2E text on white 5.95:1 AA Lc 77.8 Fine for body text
#C31C2E text on black 3.52:1 AA large text Lc -23.9 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 600.

  1. Step 50

    50

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FBE4E2

    oklch(93.7% 0.025 23.6)

  3. Step 200

    200

    #F8CDCA

    oklch(88.4% 0.049 22.8)

  4. Step 300

    300

    #F5AAA6

    oklch(80.9% 0.089 22.6)

  5. Step 400

    400

    #EC7976

    oklch(70.7% 0.143 22.9)

  6. Step 500

    500

    #E25052

    oklch(63% 0.182 23.2)

  7. Step 600

    600 (this color)

    #C31C2E

    oklch(52.6% 0.198 23.1)

  8. Step 700

    700

    #B11929

    oklch(49% 0.184 23.2)

  9. Step 800

    800

    #901A23

    oklch(42.7% 0.152 23.2)

  10. Step 900

    900

    #741F21

    oklch(37.8% 0.118 23.6)

  11. Step 950

    950

    #441414

    oklch(27% 0.074 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#C31C2E 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)#544D2D0.219
Deuteranopia (no green cones)#7D70270.198
Tritanopia (no blue cones)#D700250.039
Achromatopsia (no color)#6464640.199

Harmonies

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

Complementary

The opposite hue (180°).

  • #C31C2E

    #C31C2E

    oklch(52.6% 0.198 23.1)

  • #007982

    #007982

    oklch(52.5% 0.09 203.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C31C2E

    #C31C2E

    oklch(52.6% 0.198 23.1)

  • #B81F74

    #B81F74

    oklch(52.5% 0.198 353.1)

  • #A45000

    #A45000

    oklch(52.6% 0.134 53)

Open the analogous palette in the generator

Split complementary

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

  • #C31C2E

    #C31C2E

    oklch(52.6% 0.198 23.1)

  • #007D65

    #007D65

    oklch(52.6% 0.101 173.1)

  • #00749F

    #00749F

    oklch(52.6% 0.109 233.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C31C2E

    #C31C2E

    oklch(52.6% 0.198 23.1)

  • #00820D

    #00820D

    oklch(52.6% 0.175 143.2)

  • #285FDA

    #285FDA

    oklch(52.5% 0.198 263.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C31C2E

    #C31C2E

    oklch(52.6% 0.198 23.1)

  • #6C7100

    #6C7100

    oklch(52.6% 0.117 112.8)

  • #007982

    #007982

    oklch(52.5% 0.09 203.9)

  • #7448CF

    #7448CF

    oklch(52.6% 0.198 293.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C31C2E, closest first.

Similar named colors

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

Use #C31C2E 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.