#CF100D

Closest named color: Cherry (#CF0234). oklch(54.1% 0.216 28.9), rgb(207, 16, 13).

Aa

White text reads best on this color (5.62:1).

About this color

#CF100D is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.216 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.032 away. White text reads best on it, at 5.62:1.

Hue familyReds
Lightnessmedium-dark (54%)
Chromavivid (0.216)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.73:1
White text5.62:1

Values

HEX#CF100D
RGBrgb(207, 16, 13)
HSLhsl(1, 88%, 43%)
OKLCHoklch(54.1% 0.216 28.9)

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 #CF100D 5.62:1 AA Lc -81.0 Fine for body text
Black text on #CF100D 3.73:1 AA large text Lc 28.4 Dividers and decoration only
#CF100D text on white 5.62:1 AA Lc 75.7 Fine for body text
#CF100D text on black 3.73:1 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

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FCE3DF

    oklch(93.5% 0.028 28.5)

  3. Step 200

    200

    #FBCDC5

    oklch(88.6% 0.054 29.6)

  4. Step 300

    300

    #F9A99D

    oklch(80.9% 0.097 28.8)

  5. Step 400

    400

    #F27666

    oklch(70.7% 0.156 29.1)

  6. Step 500

    500

    #E9493B

    oklch(63.1% 0.199 28.9)

  7. Step 600

    600 (this color)

    #CF100D

    oklch(54.1% 0.216 28.9)

  8. Step 700

    700

    #B70204

    oklch(49% 0.2 28.9)

  9. Step 800

    800

    #950F0B

    oklch(42.7% 0.166 28.9)

  10. Step 900

    900

    #781A13

    oklch(37.8% 0.13 29)

  11. Step 950

    950

    #46120D

    oklch(27% 0.081 29)

Export this scale for Tailwind in the Tailwind colors tool

#CF100D 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)#594E050.236
Deuteranopia (no green cones)#8575000.210
Tritanopia (no blue cones)#E500160.044
Achromatopsia (no color)#6767670.217

Harmonies

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

Complementary

The opposite hue (180°).

  • #CF100D

    #CF100D

    oklch(54.1% 0.216 28.9)

  • #007D8C

    #007D8C

    oklch(54% 0.093 209.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CF100D

    #CF100D

    oklch(54.1% 0.216 28.9)

  • #C70B6C

    #C70B6C

    oklch(54.1% 0.216 359)

  • #A45900

    #A45900

    oklch(54.1% 0.128 59.1)

Open the analogous palette in the generator

Split complementary

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

  • #CF100D

    #CF100D

    oklch(54.1% 0.216 28.9)

  • #008170

    #008170

    oklch(54% 0.099 179.2)

  • #0077AD

    #0077AD

    oklch(54.1% 0.121 238.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CF100D

    #CF100D

    oklch(54.1% 0.216 28.9)

  • #008638

    #008638

    oklch(54.1% 0.153 149)

  • #3F5CEA

    #3F5CEA

    oklch(54.2% 0.216 269)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CF100D

    #CF100D

    oklch(54.1% 0.216 28.9)

  • #687800

    #687800

    oklch(54% 0.126 118.6)

  • #007D8C

    #007D8C

    oklch(54% 0.093 209.4)

  • #8342D8

    #8342D8

    oklch(54.1% 0.216 298.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CF100D, closest first.

No curated palette has a color within ΔE 0.04 of #CF100D.

Similar named colors

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

Use #CF100D 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.