#CD0B21

Closest named color: Cherry (#CF0234). oklch(53.7% 0.214 25.5), rgb(205, 11, 33).

Aa

White text reads best on this color (5.72:1).

About this color

#CD0B21 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.214 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.020 away. White text reads best on it, at 5.72:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.214)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.66:1
White text5.72:1

Values

HEX#CD0B21
RGBrgb(205, 11, 33)
HSLhsl(353, 90%, 42%)
OKLCHoklch(53.7% 0.214 25.5)

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 #CD0B21 5.72:1 AA Lc -81.5 Fine for body text
Black text on #CD0B21 3.66:1 AA large text Lc 27.9 Dividers and decoration only
#CD0B21 text on white 5.72:1 AA Lc 76.2 Fine for body text
#CD0B21 text on black 3.66:1 AA large text Lc -25.6 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FBCCC7

    oklch(88.5% 0.054 25.3)

  4. Step 300

    300

    #F9A8A1

    oklch(80.9% 0.097 24.9)

  5. Step 400

    400

    #F1756E

    oklch(70.6% 0.154 25.1)

  6. Step 500

    500

    #E84946

    oklch(63% 0.196 25.7)

  7. Step 600

    600 (this color)

    #CD0B21

    oklch(53.7% 0.214 25.5)

  8. Step 700

    700

    #B7011A

    oklch(49.1% 0.199 25.5)

  9. Step 800

    800

    #950E18

    oklch(42.8% 0.165 25.5)

  10. Step 900

    900

    #77191A

    oklch(37.6% 0.128 25.5)

  11. Step 950

    950

    #461110

    oklch(26.9% 0.081 25.4)

Export this scale for Tailwind in the Tailwind colors tool

#CD0B21 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)#564D1F0.236
Deuteranopia (no green cones)#8274150.214
Tritanopia (no blue cones)#E200190.043
Achromatopsia (no color)#6666660.216

Harmonies

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

Complementary

The opposite hue (180°).

  • #CD0B21

    #CD0B21

    oklch(53.7% 0.214 25.5)

  • #007D87

    #007D87

    oklch(53.8% 0.092 204.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CD0B21

    #CD0B21

    oklch(53.7% 0.214 25.5)

  • #C30F73

    #C30F73

    oklch(53.7% 0.214 355.5)

  • #A65500

    #A65500

    oklch(53.7% 0.132 55.5)

Open the analogous palette in the generator

Split complementary

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

  • #CD0B21

    #CD0B21

    oklch(53.7% 0.214 25.5)

  • #00806B

    #00806B

    oklch(53.6% 0.1 175.8)

  • #0077A7

    #0077A7

    oklch(53.8% 0.115 235.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CD0B21

    #CD0B21

    oklch(53.7% 0.214 25.5)

  • #008525

    #008525

    oklch(53.6% 0.166 145.5)

  • #305EE7

    #305EE7

    oklch(53.7% 0.214 265.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CD0B21

    #CD0B21

    oklch(53.7% 0.214 25.5)

  • #6C7500

    #6C7500

    oklch(53.6% 0.122 115)

  • #007D87

    #007D87

    oklch(53.8% 0.092 204.6)

  • #7C44D9

    #7C44D9

    oklch(53.6% 0.214 295.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CD0B21, closest first.

No curated palette has a color within ΔE 0.04 of #CD0B21.

Similar named colors

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

Use #CD0B21 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.