#CB051F

Closest named color: Cherry (#CF0234). oklch(53.2% 0.214 25.5), rgb(203, 5, 31).

Aa

White text reads best on this color (5.86:1).

About this color

#CB051F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.214 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.022 away. White text reads best on it, at 5.86:1.

Hue familyReds
Lightnessmedium-dark (53%)
Chromavivid (0.214)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.58:1
White text5.86:1

Values

HEX#CB051F
RGBrgb(203, 5, 31)
HSLhsl(352, 95%, 41%)
OKLCHoklch(53.2% 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 #CB051F 5.86:1 AA Lc -82.0 Fine for body text
Black text on #CB051F 3.58:1 AA large text Lc 27.4 Dividers and decoration only
#CB051F text on white 5.86:1 AA Lc 76.7 Fine for body text
#CB051F text on black 3.58:1 AA large text Lc -25.1 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

    #F1756D

    oklch(70.6% 0.154 25.5)

  6. Step 500

    500

    #E84946

    oklch(63% 0.196 25.7)

  7. Step 600

    600 (this color)

    #CB051F

    oklch(53.2% 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

#CB051F 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)#544B1D0.237
Deuteranopia (no green cones)#8072130.213
Tritanopia (no blue cones)#E000160.043
Achromatopsia (no color)#6565650.215

Harmonies

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

Complementary

The opposite hue (180°).

  • #CB051F

    #CB051F

    oklch(53.2% 0.214 25.5)

  • #007B86

    #007B86

    oklch(53.2% 0.091 205.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CB051F

    #CB051F

    oklch(53.2% 0.214 25.5)

  • #C10A71

    #C10A71

    oklch(53.2% 0.214 355.6)

  • #A45400

    #A45400

    oklch(53.3% 0.131 55.6)

Open the analogous palette in the generator

Split complementary

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

  • #CB051F

    #CB051F

    oklch(53.2% 0.214 25.5)

  • #007F69

    #007F69

    oklch(53.2% 0.1 174.9)

  • #0075A4

    #0075A4

    oklch(53.1% 0.113 235.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CB051F

    #CB051F

    oklch(53.2% 0.214 25.5)

  • #008325

    #008325

    oklch(53.1% 0.164 145.6)

  • #2F5CE5

    #2F5CE5

    oklch(53.1% 0.214 265.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CB051F

    #CB051F

    oklch(53.2% 0.214 25.5)

  • #6A7400

    #6A7400

    oklch(53.2% 0.121 115.6)

  • #007B86

    #007B86

    oklch(53.2% 0.091 205.7)

  • #7B43D7

    #7B43D7

    oklch(53.2% 0.213 295.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CB051F, closest first.

No curated palette has a color within ΔE 0.04 of #CB051F.

Similar named colors

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

Use #CB051F 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.