#CB212F

Closest named color: Cherry (#CF0234). oklch(54.4% 0.202 23.9), rgb(203, 33, 47).

Aa

White text reads best on this color (5.52:1).

About this color

#CB212F is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.202 and its hue 24°. 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 5.52:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.202)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.79:1
White text5.52:1

Values

HEX#CB212F
RGBrgb(203, 33, 47)
HSLhsl(355, 72%, 46%)
OKLCHoklch(54.4% 0.202 23.9)

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 #CB212F 5.52:1 AA Lc -81.1 Fine for body text
Black text on #CB212F 3.79:1 AA large text Lc 28.3 Dividers and decoration only
#CB212F text on white 5.52:1 AA Lc 75.7 Fine for body text
#CB212F text on black 3.79:1 AA large text Lc -26.0 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

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F9CDC9

    oklch(88.5% 0.05 24.2)

  4. Step 300

    300

    #F6AAA4

    oklch(80.9% 0.091 24.3)

  5. Step 400

    400

    #ED7873

    oklch(70.6% 0.145 24)

  6. Step 500

    500

    #E44E4F

    oklch(63.1% 0.186 23.8)

  7. Step 600

    600 (this color)

    #CB212F

    oklch(54.4% 0.202 23.9)

  8. Step 700

    700

    #B31525

    oklch(49.1% 0.188 24)

  9. Step 800

    800

    #911820

    oklch(42.7% 0.155 24.1)

  10. Step 900

    900

    #751D1F

    oklch(37.7% 0.122 24.1)

  11. Step 950

    950

    #451313

    oklch(27% 0.077 23.8)

Export this scale for Tailwind in the Tailwind colors tool

#CB212F 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)#5A512E0.221
Deuteranopia (no green cones)#8375280.201
Tritanopia (no blue cones)#E000290.040
Achromatopsia (no color)#6969690.203

Harmonies

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

Complementary

The opposite hue (180°).

  • #CB212F

    #CB212F

    oklch(54.4% 0.202 23.9)

  • #007F88

    #007F88

    oklch(54.4% 0.093 203.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CB212F

    #CB212F

    oklch(54.4% 0.202 23.9)

  • #C02378

    #C02378

    oklch(54.3% 0.202 353.8)

  • #AB5500

    #AB5500

    oklch(54.5% 0.137 53.8)

Open the analogous palette in the generator

Split complementary

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

  • #CB212F

    #CB212F

    oklch(54.4% 0.202 23.9)

  • #00836B

    #00836B

    oklch(54.4% 0.104 173.8)

  • #0079A7

    #0079A7

    oklch(54.3% 0.114 234)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CB212F

    #CB212F

    oklch(54.4% 0.202 23.9)

  • #008819

    #008819

    oklch(54.4% 0.177 144)

  • #2F64E3

    #2F64E3

    oklch(54.5% 0.202 263.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CB212F

    #CB212F

    oklch(54.4% 0.202 23.9)

  • #707700

    #707700

    oklch(54.5% 0.122 113.8)

  • #007F88

    #007F88

    oklch(54.4% 0.093 203.5)

  • #7A4CD7

    #7A4CD7

    oklch(54.4% 0.202 293.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CB212F, closest first.

Similar named colors

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

Use #CB212F 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.