#CF2F00

Closest named color: Sinopia (#BB3E03). oklch(55.8% 0.201 33.9), rgb(207, 47, 0).

Aa

White text reads best on this color (5.17:1).

About this color

#CF2F00 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.201 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.040 away. White text reads best on it, at 5.17:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.201)
Temperaturewarm
Nearest nameSinopia (#BB3E03)
Black text4.05:1
White text5.17:1

Values

HEX#CF2F00
RGBrgb(207, 47, 0)
HSLhsl(14, 100%, 41%)
OKLCHoklch(55.8% 0.201 33.9)

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 #CF2F00 5.17:1 AA Lc -79.4 Fine for body text
Black text on #CF2F00 4.05:1 AA large text Lc 30.1 Non-text elements, placeholder text
#CF2F00 text on white 5.17:1 AA Lc 73.9 Content text, not long reading
#CF2F00 text on black 4.05:1 AA large text Lc -27.8 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

    #FDF3F0

    oklch(97.1% 0.012 37.4)

  2. Step 100

    100

    #FBE4DF

    oklch(93.6% 0.026 32.2)

  3. Step 200

    200

    #F8CEC4

    oklch(88.5% 0.05 33.6)

  4. Step 300

    300

    #F5AC9A

    oklch(81% 0.09 34.4)

  5. Step 400

    400

    #EC7B62

    oklch(70.6% 0.145 33.7)

  6. Step 500

    500

    #E35334

    oklch(63.1% 0.185 33.8)

  7. Step 600

    600 (this color)

    #CF2F00

    oklch(55.8% 0.201 33.9)

  8. Step 700

    700

    #AE2600

    oklch(49% 0.177 33.9)

  9. Step 800

    800

    #901E00

    oklch(42.7% 0.153 34)

  10. Step 900

    900

    #74200D

    oklch(37.6% 0.121 33.9)

  11. Step 950

    950

    #44150A

    oklch(27% 0.075 34.5)

Export this scale for Tailwind in the Tailwind colors tool

#CF2F00 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)#6356000.211
Deuteranopia (no green cones)#8A7A000.189
Tritanopia (no blue cones)#E500290.055
Achromatopsia (no color)#6D6D6D0.202

Harmonies

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

Complementary

The opposite hue (180°).

  • #CF2F00

    #CF2F00

    oklch(55.8% 0.201 33.9)

  • #008297

    #008297

    oklch(55.8% 0.098 214.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CF2F00

    #CF2F00

    oklch(55.8% 0.201 33.9)

  • #CB2766

    #CB2766

    oklch(55.9% 0.201 4.2)

  • #A66100

    #A66100

    oklch(55.8% 0.126 64)

Open the analogous palette in the generator

Split complementary

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

  • #CF2F00

    #CF2F00

    oklch(55.8% 0.201 33.9)

  • #00867A

    #00867A

    oklch(55.7% 0.099 183.9)

  • #007ABE

    #007ABE

    oklch(55.8% 0.138 244)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CF2F00

    #CF2F00

    oklch(55.8% 0.201 33.9)

  • #008B4B

    #008B4B

    oklch(55.9% 0.142 153.8)

  • #5460E7

    #5460E7

    oklch(55.8% 0.202 274)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CF2F00

    #CF2F00

    oklch(55.8% 0.201 33.9)

  • #638000

    #638000

    oklch(55.7% 0.138 124)

  • #008297

    #008297

    oklch(55.8% 0.098 214.2)

  • #8F4AD1

    #8F4AD1

    oklch(55.9% 0.201 304.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CF2F00, closest first.

Similar named colors

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

Use #CF2F00 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.