#CB122C

Closest named color: Cherry (#CF0234). oklch(53.7% 0.209 23.2), rgb(203, 18, 44).

Aa

White text reads best on this color (5.73:1).

About this color

#CB122C is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.209 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.013 away. White text reads best on it, at 5.73:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.209)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.66:1
White text5.73:1

Values

HEX#CB122C
RGBrgb(203, 18, 44)
HSLhsl(352, 84%, 43%)
OKLCHoklch(53.7% 0.209 23.2)

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 #CB122C 5.73:1 AA Lc -81.7 Fine for body text
Black text on #CB122C 3.66:1 AA large text Lc 27.7 Dividers and decoration only
#CB122C text on white 5.73:1 AA Lc 76.4 Fine for body text
#CB122C text on black 3.66:1 AA large text Lc -25.3 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

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FACCC9

    oklch(88.4% 0.052 22.6)

  4. Step 300

    300

    #F8A9A4

    oklch(81% 0.094 23.4)

  5. Step 400

    400

    #F07673

    oklch(70.7% 0.151 23.1)

  6. Step 500

    500

    #E74A4E

    oklch(63.1% 0.193 23.3)

  7. Step 600

    600 (this color)

    #CB122C

    oklch(53.7% 0.209 23.2)

  8. Step 700

    700

    #B50825

    oklch(49% 0.194 23.1)

  9. Step 800

    800

    #931220

    oklch(42.7% 0.161 23.2)

  10. Step 900

    900

    #761B1F

    oklch(37.7% 0.125 23.4)

  11. Step 950

    950

    #461213

    oklch(27.1% 0.08 23.1)

Export this scale for Tailwind in the Tailwind colors tool

#CB122C 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)#564E2B0.231
Deuteranopia (no green cones)#8173240.209
Tritanopia (no blue cones)#E000200.042
Achromatopsia (no color)#6666660.211

Harmonies

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

Complementary

The opposite hue (180°).

  • #CB122C

    #CB122C

    oklch(53.7% 0.209 23.2)

  • #007D85

    #007D85

    oklch(53.7% 0.091 202.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CB122C

    #CB122C

    oklch(53.7% 0.209 23.2)

  • #C01878

    #C01878

    oklch(53.7% 0.21 353.1)

  • #A85300

    #A85300

    oklch(53.7% 0.135 53.6)

Open the analogous palette in the generator

Split complementary

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

  • #CB122C

    #CB122C

    oklch(53.7% 0.209 23.2)

  • #008168

    #008168

    oklch(53.8% 0.103 172.8)

  • #0077A3

    #0077A3

    oklch(53.6% 0.111 233.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CB122C

    #CB122C

    oklch(53.7% 0.209 23.2)

  • #00860F

    #00860F

    oklch(53.8% 0.179 143.2)

  • #2761E4

    #2761E4

    oklch(53.7% 0.208 263.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CB122C

    #CB122C

    oklch(53.7% 0.209 23.2)

  • #6E7400

    #6E7400

    oklch(53.6% 0.12 113.3)

  • #007D85

    #007D85

    oklch(53.7% 0.091 202.7)

  • #7848D9

    #7848D9

    oklch(53.8% 0.209 293.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CB122C, closest first.

Similar named colors

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

Use #CB122C 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.