#CD2E1B

Closest named color: Sinopia (#BB3E03). oklch(55.5% 0.198 30.7), rgb(205, 46, 27).

Aa

White text reads best on this color (5.24:1).

About this color

#CD2E1B is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.198 and its hue 31°. 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 5.24:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.198)
Temperaturewarm
Nearest nameSinopia (#BB3E03)
Black text4.00:1
White text5.24:1

Values

HEX#CD2E1B
RGBrgb(205, 46, 27)
HSLhsl(6, 77%, 45%)
OKLCHoklch(55.5% 0.198 30.7)

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 #CD2E1B 5.24:1 AA Lc -79.8 Fine for body text
Black text on #CD2E1B 4.00:1 AA large text Lc 29.6 Dividers and decoration only
#CD2E1B text on white 5.24:1 AA Lc 74.4 Content text, not long reading
#CD2E1B text on black 4.00:1 AA large text Lc -27.3 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

    #F5AB9E

    oklch(80.9% 0.09 30.2)

  5. Step 400

    400

    #EC7B69

    oklch(70.7% 0.143 30.4)

  6. Step 500

    500

    #E2533F

    oklch(63.1% 0.182 30.7)

  7. Step 600

    600 (this color)

    #CD2E1B

    oklch(55.5% 0.198 30.7)

  8. Step 700

    700

    #B11E0C

    oklch(49% 0.184 30.8)

  9. Step 800

    800

    #901D10

    oklch(42.7% 0.152 30.5)

  10. Step 900

    900

    #742015

    oklch(37.7% 0.119 30.7)

  11. Step 950

    950

    #44150E

    oklch(27% 0.074 30.9)

Export this scale for Tailwind in the Tailwind colors tool

#CD2E1B 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)#6156160.211
Deuteranopia (no green cones)#88790E0.192
Tritanopia (no blue cones)#E2002C0.049
Achromatopsia (no color)#6C6C6C0.199

Harmonies

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

Complementary

The opposite hue (180°).

  • #CD2E1B

    #CD2E1B

    oklch(55.5% 0.198 30.7)

  • #008292

    #008292

    oklch(55.6% 0.096 209.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #CD2E1B

    #CD2E1B

    oklch(55.5% 0.198 30.7)

  • #C7296D

    #C7296D

    oklch(55.5% 0.198 0.6)

  • #A85E00

    #A85E00

    oklch(55.6% 0.129 60.9)

Open the analogous palette in the generator

Split complementary

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

  • #CD2E1B

    #CD2E1B

    oklch(55.5% 0.198 30.7)

  • #008676

    #008676

    oklch(55.6% 0.1 180.5)

  • #007AB6

    #007AB6

    oklch(55.4% 0.129 240.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #CD2E1B

    #CD2E1B

    oklch(55.5% 0.198 30.7)

  • #008A41

    #008A41

    oklch(55.4% 0.15 150.8)

  • #4B62E4

    #4B62E4

    oklch(55.4% 0.198 270.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #CD2E1B

    #CD2E1B

    oklch(55.5% 0.198 30.7)

  • #687E00

    #687E00

    oklch(55.5% 0.133 121.1)

  • #008292

    #008292

    oklch(55.6% 0.096 209.8)

  • #884CD2

    #884CD2

    oklch(55.4% 0.198 300.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CD2E1B, closest first.

Similar named colors

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

Use #CD2E1B 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.