#C12A2E

Closest named color: Dull Red (#BB3F3F). oklch(53.2% 0.187 25.2), rgb(193, 42, 46).

Aa

White text reads best on this color (5.77:1).

About this color

#C12A2E is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.187 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.030 away. White text reads best on it, at 5.77:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.187)
Temperaturewarm
Nearest nameDull Red (#BB3F3F)
Black text3.63:1
White text5.77:1

Values

HEX#C12A2E
RGBrgb(193, 42, 46)
HSLhsl(358, 64%, 46%)
OKLCHoklch(53.2% 0.187 25.2)

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 #C12A2E 5.77:1 AA Lc -82.6 Fine for body text
Black text on #C12A2E 3.63:1 AA large text Lc 26.7 Dividers and decoration only
#C12A2E text on white 5.77:1 AA Lc 77.3 Fine for body text
#C12A2E text on black 3.63:1 AA large text Lc -24.4 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

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CECA

    oklch(88.5% 0.047 24.6)

  4. Step 300

    300

    #F2ACA5

    oklch(80.9% 0.084 25.5)

  5. Step 400

    400

    #E87C75

    oklch(70.6% 0.135 24.9)

  6. Step 500

    500

    #DE5651

    oklch(63.1% 0.171 25.4)

  7. Step 600

    600 (this color)

    #C12A2E

    oklch(53.2% 0.187 25.2)

  8. Step 700

    700

    #AE2428

    oklch(49.2% 0.174 25.2)

  9. Step 800

    800

    #8D2122

    oklch(42.7% 0.144 25.3)

  10. Step 900

    900

    #712221

    oklch(37.6% 0.112 24.9)

  11. Step 950

    950

    #431514

    oklch(27% 0.072 24.4)

Export this scale for Tailwind in the Tailwind colors tool

#C12A2E 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)#59512C0.203
Deuteranopia (no green cones)#7E71280.185
Tritanopia (no blue cones)#D5002E0.042
Achromatopsia (no color)#6666660.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #C12A2E

    #C12A2E

    oklch(53.2% 0.187 25.2)

  • #007B85

    #007B85

    oklch(53.2% 0.091 204.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C12A2E

    #C12A2E

    oklch(53.2% 0.187 25.2)

  • #B82A71

    #B82A71

    oklch(53.2% 0.187 355.3)

  • #A45300

    #A45300

    oklch(53.1% 0.132 55)

Open the analogous palette in the generator

Split complementary

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

  • #C12A2E

    #C12A2E

    oklch(53.2% 0.187 25.2)

  • #007F69

    #007F69

    oklch(53.2% 0.1 174.9)

  • #0075A4

    #0075A4

    oklch(53.1% 0.113 235.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C12A2E

    #C12A2E

    oklch(53.2% 0.187 25.2)

  • #008323

    #008323

    oklch(53% 0.165 145.3)

  • #3661D7

    #3661D7

    oklch(53.2% 0.188 265.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C12A2E

    #C12A2E

    oklch(53.2% 0.187 25.2)

  • #6A7400

    #6A7400

    oklch(53.2% 0.121 115.6)

  • #007B85

    #007B85

    oklch(53.2% 0.091 204.8)

  • #784CCA

    #784CCA

    oklch(53.2% 0.187 295.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C12A2E, closest first.

Similar named colors

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

Use #C12A2E 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.