#CD301F

Closest named color: Sinopia (#BB3E03). oklch(55.7% 0.196 30.3), rgb(205, 48, 31).

Aa

White text reads best on this color (5.20:1).

About this color

#CD301F is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.196 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.042 away. White text reads best on it, at 5.20:1.

Hue familyReds
Lightnessmedium-dark (56%)
Chromavivid (0.196)
Temperaturewarm
Nearest nameSinopia (#BB3E03)
Black text4.03:1
White text5.20:1

Values

HEX#CD301F
RGBrgb(205, 48, 31)
HSLhsl(6, 74%, 46%)
OKLCHoklch(55.7% 0.196 30.3)

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 #CD301F 5.20:1 AA Lc -79.6 Fine for body text
Black text on #CD301F 4.03:1 AA large text Lc 29.9 Dividers and decoration only
#CD301F text on white 5.20:1 AA Lc 74.2 Content text, not long reading
#CD301F text on black 4.03:1 AA large text Lc -27.5 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FBE4E0

    oklch(93.6% 0.026 29.4)

  3. Step 200

    200

    #F8CEC6

    oklch(88.5% 0.049 30.7)

  4. Step 300

    300

    #F4AC9F

    oklch(81% 0.087 30.5)

  5. Step 400

    400

    #EB7C6A

    oklch(70.7% 0.14 30.5)

  6. Step 500

    500

    #E15441

    oklch(63.1% 0.179 30.4)

  7. Step 600

    600 (this color)

    #CD301F

    oklch(55.7% 0.196 30.3)

  8. Step 700

    700

    #B11F10

    oklch(49.1% 0.183 30.3)

  9. Step 800

    800

    #8F1E12

    oklch(42.6% 0.15 30.3)

  10. Step 900

    900

    #732117

    oklch(37.7% 0.117 30.3)

  11. Step 950

    950

    #44150E

    oklch(27% 0.074 30.9)

Export this scale for Tailwind in the Tailwind colors tool

#CD301F 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)#62571A0.209
Deuteranopia (no green cones)#8879150.190
Tritanopia (no blue cones)#E2002E0.049
Achromatopsia (no color)#6D6D6D0.197

Harmonies

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

Complementary

The opposite hue (180°).

  • #CD301F

    #CD301F

    oklch(55.7% 0.196 30.3)

  • #008293

    #008293

    oklch(55.6% 0.096 210.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CD301F

    #CD301F

    oklch(55.7% 0.196 30.3)

  • #C72B6E

    #C72B6E

    oklch(55.7% 0.197 0.4)

  • #A95E00

    #A95E00

    oklch(55.7% 0.13 60.5)

Open the analogous palette in the generator

Split complementary

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

  • #CD301F

    #CD301F

    oklch(55.7% 0.196 30.3)

  • #008676

    #008676

    oklch(55.6% 0.1 180.5)

  • #007BB6

    #007BB6

    oklch(55.6% 0.128 240.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CD301F

    #CD301F

    oklch(55.7% 0.196 30.3)

  • #008B40

    #008B40

    oklch(55.7% 0.152 150.4)

  • #4A64E4

    #4A64E4

    oklch(55.7% 0.196 270.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CD301F

    #CD301F

    oklch(55.7% 0.196 30.3)

  • #6A7E00

    #6A7E00

    oklch(55.7% 0.132 120.1)

  • #008293

    #008293

    oklch(55.6% 0.096 210.7)

  • #884ED2

    #884ED2

    oklch(55.7% 0.195 300.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CD301F, closest first.

Similar named colors

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

Use #CD301F 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.