#CC391B

Closest named color: Brick Orange (#C14A09). oklch(56.3% 0.188 33.1), rgb(204, 57, 27).

Aa

White text reads best on this color (5.03:1).

About this color

#CC391B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.188 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.036 away. White text reads best on it, at 5.03:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.188)
Temperaturewarm
Nearest nameBrick Orange (#C14A09)
Black text4.16:1
White text5.03:1

Values

HEX#CC391B
RGBrgb(204, 57, 27)
HSLhsl(10, 77%, 45%)
OKLCHoklch(56.3% 0.188 33.1)

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 #CC391B 5.03:1 AA Lc -78.9 Fine for body text
Black text on #CC391B 4.16:1 AA large text Lc 30.6 Non-text elements, placeholder text
#CC391B text on white 5.03:1 AA Lc 73.5 Content text, not long reading
#CC391B text on black 4.16:1 AA large text Lc -28.2 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

    #FAE4DF

    oklch(93.5% 0.025 32.9)

  3. Step 200

    200

    #F7CFC5

    oklch(88.6% 0.047 34.3)

  4. Step 300

    300

    #F2AD9D

    oklch(80.9% 0.085 33.5)

  5. Step 400

    400

    #E87E68

    oklch(70.6% 0.136 32.9)

  6. Step 500

    500

    #DE583D

    oklch(63.1% 0.173 33.2)

  7. Step 600

    600 (this color)

    #CC391B

    oklch(56.3% 0.188 33.1)

  8. Step 700

    700

    #AE2708

    oklch(49.2% 0.175 33.1)

  9. Step 800

    800

    #8D230D

    oklch(42.7% 0.145 33.1)

  10. Step 900

    900

    #712414

    oklch(37.7% 0.112 33.5)

  11. Step 950

    950

    #43160D

    oklch(27% 0.072 33.1)

Export this scale for Tailwind in the Tailwind colors tool

#CC391B 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)#665A140.198
Deuteranopia (no green cones)#8A7B100.180
Tritanopia (no blue cones)#E100340.061
Achromatopsia (no color)#6F6F6F0.190

Harmonies

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

Complementary

The opposite hue (180°).

  • #CC391B

    #CC391B

    oklch(56.3% 0.188 33.1)

  • #008498

    #008498

    oklch(56.4% 0.099 213.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CC391B

    #CC391B

    oklch(56.3% 0.188 33.1)

  • #C7336A

    #C7336A

    oklch(56.2% 0.188 3.2)

  • #A96100

    #A96100

    oklch(56.3% 0.129 62.7)

Open the analogous palette in the generator

Split complementary

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

  • #CC391B

    #CC391B

    oklch(56.3% 0.188 33.1)

  • #00887B

    #00887B

    oklch(56.3% 0.1 183.2)

  • #007CBE

    #007CBE

    oklch(56.3% 0.136 242.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CC391B

    #CC391B

    oklch(56.3% 0.188 33.1)

  • #008D4A

    #008D4A

    oklch(56.4% 0.145 153)

  • #5565E1

    #5565E1

    oklch(56.3% 0.188 273.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CC391B

    #CC391B

    oklch(56.3% 0.188 33.1)

  • #668100

    #668100

    oklch(56.2% 0.138 123)

  • #008498

    #008498

    oklch(56.4% 0.099 213.1)

  • #8D50CE

    #8D50CE

    oklch(56.3% 0.189 303.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CC391B, closest first.

Similar named colors

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

Use #CC391B 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.