#CC372F

Closest named color: Dull Red (#BB3F3F). oklch(56.3% 0.187 27.9), rgb(204, 55, 47).

Aa

White text reads best on this color (5.05:1).

About this color

#CC372F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.187 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.035 away. White text reads best on it, at 5.05:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.187)
Temperaturewarm
Nearest nameDull Red (#BB3F3F)
Black text4.15:1
White text5.05:1

Values

HEX#CC372F
RGBrgb(204, 55, 47)
HSLhsl(3, 63%, 49%)
OKLCHoklch(56.3% 0.187 27.9)

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 #CC372F 5.05:1 AA Lc -79.0 Fine for body text
Black text on #CC372F 4.15:1 AA large text Lc 30.5 Non-text elements, placeholder text
#CC372F text on white 5.05:1 AA Lc 73.6 Content text, not long reading
#CC372F text on black 4.15:1 AA large text Lc -28.1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F7CEC8

    oklch(88.5% 0.047 27.8)

  4. Step 300

    300

    #F2ACA2

    oklch(80.8% 0.084 28.1)

  5. Step 400

    400

    #E87D70

    oklch(70.6% 0.134 28.2)

  6. Step 500

    500

    #DE564B

    oklch(63% 0.172 27.7)

  7. Step 600

    600 (this color)

    #CC372F

    oklch(56.3% 0.187 27.9)

  8. Step 700

    700

    #AE2520

    oklch(49.1% 0.174 27.9)

  9. Step 800

    800

    #8D221C

    oklch(42.7% 0.144 28.1)

  10. Step 900

    900

    #72231D

    oklch(37.8% 0.113 28)

  11. Step 950

    950

    #431612

    oklch(27.1% 0.071 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#CC372F 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)#645A2D0.200
Deuteranopia (no green cones)#897A290.182
Tritanopia (no blue cones)#E100370.052
Achromatopsia (no color)#6F6F6F0.188

Harmonies

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

Complementary

The opposite hue (180°).

  • #CC372F

    #CC372F

    oklch(56.3% 0.187 27.9)

  • #008593

    #008593

    oklch(56.4% 0.097 207.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CC372F

    #CC372F

    oklch(56.3% 0.187 27.9)

  • #C43575

    #C43575

    oklch(56.2% 0.186 357.8)

  • #AE5D00

    #AE5D00

    oklch(56.2% 0.135 57.9)

Open the analogous palette in the generator

Split complementary

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

  • #CC372F

    #CC372F

    oklch(56.3% 0.187 27.9)

  • #008975

    #008975

    oklch(56.4% 0.104 177.6)

  • #007EB5

    #007EB5

    oklch(56.3% 0.124 237.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CC372F

    #CC372F

    oklch(56.3% 0.187 27.9)

  • #008D37

    #008D37

    oklch(56.1% 0.162 148.1)

  • #4769E1

    #4769E1

    oklch(56.3% 0.187 268)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CC372F

    #CC372F

    oklch(56.3% 0.187 27.9)

  • #6F7F00

    #6F7F00

    oklch(56.4% 0.131 118.2)

  • #008593

    #008593

    oklch(56.4% 0.097 207.7)

  • #8554D2

    #8554D2

    oklch(56.3% 0.186 298.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CC372F, closest first.

Similar named colors

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

Use #CC372F 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.