#C8303E

Closest named color: Dull Red (#BB3F3F). oklch(55.1% 0.187 21.3), rgb(200, 48, 62).

Aa

White text reads best on this color (5.31:1).

About this color

#C8303E is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.187 and its hue 21°. 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 5.31:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.187)
Temperaturewarm
Nearest nameDull Red (#BB3F3F)
Black text3.94:1
White text5.31:1

Values

HEX#C8303E
RGBrgb(200, 48, 62)
HSLhsl(354, 61%, 49%)
OKLCHoklch(55.1% 0.187 21.3)

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 #C8303E 5.31:1 AA Lc -80.4 Fine for body text
Black text on #C8303E 3.94:1 AA large text Lc 29.1 Dividers and decoration only
#C8303E text on white 5.31:1 AA Lc 75.0 Fine for body text
#C8303E text on black 3.94:1 AA large text Lc -26.7 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

    #FAE4E3

    oklch(93.6% 0.024 20.7)

  3. Step 200

    200

    #F7CECC

    oklch(88.6% 0.047 21.4)

  4. Step 300

    300

    #F2ABA9

    oklch(80.8% 0.084 20.9)

  5. Step 400

    400

    #E97C7B

    oklch(70.8% 0.135 21.6)

  6. Step 500

    500

    #DE545A

    oklch(63% 0.173 21)

  7. Step 600

    600 (this color)

    #C8303E

    oklch(55.1% 0.187 21.3)

  8. Step 700

    700

    #AE2231

    oklch(49.1% 0.174 21.5)

  9. Step 800

    800

    #8D2029

    oklch(42.7% 0.144 21.7)

  10. Step 900

    900

    #722126

    oklch(37.7% 0.113 21)

  11. Step 950

    950

    #431516

    oklch(27% 0.071 21.9)

Export this scale for Tailwind in the Tailwind colors tool

#C8303E 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)#5D563D0.205
Deuteranopia (no green cones)#8377390.188
Tritanopia (no blue cones)#DC00370.042
Achromatopsia (no color)#6B6B6B0.189

Harmonies

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

Complementary

The opposite hue (180°).

  • #C8303E

    #C8303E

    oklch(55.1% 0.187 21.3)

  • #008289

    #008289

    oklch(55.2% 0.094 201.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C8303E

    #C8303E

    oklch(55.1% 0.187 21.3)

  • #BD327E

    #BD327E

    oklch(55.2% 0.188 351.6)

  • #B15400

    #B15400

    oklch(55.2% 0.143 51.4)

Open the analogous palette in the generator

Split complementary

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

  • #C8303E

    #C8303E

    oklch(55.1% 0.187 21.3)

  • #00866A

    #00866A

    oklch(55.2% 0.108 171.3)

  • #007CA7

    #007CA7

    oklch(55% 0.112 231.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C8303E

    #C8303E

    oklch(55.1% 0.187 21.3)

  • #198A00

    #198A00

    oklch(55.2% 0.183 141.4)

  • #2C6ADD

    #2C6ADD

    oklch(55.1% 0.187 261.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C8303E

    #C8303E

    oklch(55.1% 0.187 21.3)

  • #757800

    #757800

    oklch(55.2% 0.122 111.5)

  • #008289

    #008289

    oklch(55.2% 0.094 201.4)

  • #7755D4

    #7755D4

    oklch(55.2% 0.187 291.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C8303E, closest first.

Similar named colors

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

Use #C8303E 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.