#CF182C

Closest named color: Cherry (#CF0234). oklch(54.6% 0.21 23.9), rgb(207, 24, 44).

Aa

White text reads best on this color (5.49:1).

About this color

#CF182C is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.210 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.016 away. White text reads best on it, at 5.49:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.210)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.82:1
White text5.49:1

Values

HEX#CF182C
RGBrgb(207, 24, 44)
HSLhsl(353, 79%, 45%)
OKLCHoklch(54.6% 0.21 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 #CF182C 5.49:1 AA Lc -80.7 Fine for body text
Black text on #CF182C 3.82:1 AA large text Lc 28.8 Dividers and decoration only
#CF182C text on white 5.49:1 AA Lc 75.3 Fine for body text
#CF182C text on black 3.82:1 AA large text Lc -26.4 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

    #FACCC8

    oklch(88.4% 0.053 24)

  4. Step 300

    300

    #F8A9A3

    oklch(81% 0.094 24.2)

  5. Step 400

    400

    #F07671

    oklch(70.7% 0.151 24.1)

  6. Step 500

    500

    #E74A4C

    oklch(63.1% 0.194 23.9)

  7. Step 600

    600 (this color)

    #CF182C

    oklch(54.6% 0.21 23.9)

  8. Step 700

    700

    #B60722

    oklch(49.2% 0.196 23.9)

  9. Step 800

    800

    #94111E

    oklch(42.8% 0.162 23.8)

  10. Step 900

    900

    #761A1E

    oklch(37.6% 0.126 23.6)

  11. Step 950

    950

    #461212

    oklch(27.1% 0.08 24.2)

Export this scale for Tailwind in the Tailwind colors tool

#CF182C 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)#59502A0.232
Deuteranopia (no green cones)#8476240.210
Tritanopia (no blue cones)#E400230.041
Achromatopsia (no color)#6969690.212

Harmonies

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

Complementary

The opposite hue (180°).

  • #CF182C

    #CF182C

    oklch(54.6% 0.21 23.9)

  • #008089

    #008089

    oklch(54.7% 0.093 203.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CF182C

    #CF182C

    oklch(54.6% 0.21 23.9)

  • #C41C79

    #C41C79

    oklch(54.7% 0.21 353.9)

  • #AC5600

    #AC5600

    oklch(54.8% 0.137 54.1)

Open the analogous palette in the generator

Split complementary

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

  • #CF182C

    #CF182C

    oklch(54.6% 0.21 23.9)

  • #00846C

    #00846C

    oklch(54.7% 0.104 174)

  • #007AA8

    #007AA8

    oklch(54.6% 0.114 233.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CF182C

    #CF182C

    oklch(54.6% 0.21 23.9)

  • #008919

    #008919

    oklch(54.7% 0.178 143.9)

  • #2D63E9

    #2D63E9

    oklch(54.7% 0.211 264)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CF182C

    #CF182C

    oklch(54.6% 0.21 23.9)

  • #707800

    #707800

    oklch(54.7% 0.123 114.3)

  • #008089

    #008089

    oklch(54.7% 0.093 203.5)

  • #7C4ADC

    #7C4ADC

    oklch(54.7% 0.211 294)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CF182C, closest first.

No curated palette has a color within ΔE 0.04 of #CF182C.

Similar named colors

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

Use #CF182C 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.