#CB2C37

Closest named color: Cherry (#CF0234). oklch(55.2% 0.194 23.2), rgb(203, 44, 55).

Aa

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

About this color

#CB2C37 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.194 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.027 away. White text reads best on it, at 5.31:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.194)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.95:1
White text5.31:1

Values

HEX#CB2C37
RGBrgb(203, 44, 55)
HSLhsl(356, 64%, 48%)
OKLCHoklch(55.2% 0.194 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 #CB2C37 5.31:1 AA Lc -80.2 Fine for body text
Black text on #CB2C37 3.95:1 AA large text Lc 29.2 Dividers and decoration only
#CB2C37 text on white 5.31:1 AA Lc 74.8 Content text, not long reading
#CB2C37 text on black 3.95:1 AA large text Lc -26.9 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

    #FBE4E2

    oklch(93.7% 0.025 23.6)

  3. Step 200

    200

    #F8CDCA

    oklch(88.4% 0.049 22.8)

  4. Step 300

    300

    #F4ABA6

    oklch(81% 0.087 23.5)

  5. Step 400

    400

    #EB7A77

    oklch(70.7% 0.14 22.8)

  6. Step 500

    500

    #E15253

    oklch(63.1% 0.179 23.4)

  7. Step 600

    600 (this color)

    #CB2C37

    oklch(55.2% 0.194 23.2)

  8. Step 700

    700

    #B01D2A

    oklch(49.1% 0.18 23.3)

  9. Step 800

    800

    #8F1C24

    oklch(42.6% 0.15 23.2)

  10. Step 900

    900

    #732022

    oklch(37.7% 0.116 23.4)

  11. Step 950

    950

    #441414

    oklch(27% 0.074 23.5)

Export this scale for Tailwind in the Tailwind colors tool

#CB2C37 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)#5D56360.212
Deuteranopia (no green cones)#8477310.193
Tritanopia (no blue cones)#DF00320.040
Achromatopsia (no color)#6B6B6B0.196

Harmonies

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

Complementary

The opposite hue (180°).

  • #CB2C37

    #CB2C37

    oklch(55.2% 0.194 23.2)

  • #00828B

    #00828B

    oklch(55.3% 0.094 203.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CB2C37

    #CB2C37

    oklch(55.2% 0.194 23.2)

  • #C02E7C

    #C02E7C

    oklch(55.2% 0.194 352.9)

  • #AF5600

    #AF5600

    oklch(55.2% 0.14 53.1)

Open the analogous palette in the generator

Split complementary

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

  • #CB2C37

    #CB2C37

    oklch(55.2% 0.194 23.2)

  • #00866D

    #00866D

    oklch(55.3% 0.106 173.5)

  • #007CAA

    #007CAA

    oklch(55.2% 0.115 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CB2C37

    #CB2C37

    oklch(55.2% 0.194 23.2)

  • #008B0F

    #008B0F

    oklch(55.2% 0.184 143.2)

  • #3168E1

    #3168E1

    oklch(55.2% 0.194 263.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CB2C37

    #CB2C37

    oklch(55.2% 0.194 23.2)

  • #737900

    #737900

    oklch(55.2% 0.123 113.2)

  • #00828B

    #00828B

    oklch(55.3% 0.094 203.3)

  • #7B52D7

    #7B52D7

    oklch(55.3% 0.194 293.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CB2C37, closest first.

Similar named colors

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

Use #CB2C37 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.