#DE2D2B

Closest named color: Crimson (#DC143C). oklch(58.6% 0.212 27.3), rgb(222, 45, 43).

Aa

White text reads best on this color (4.64:1).

About this color

#DE2D2B is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.212 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.032 away. White text reads best on it, at 4.64:1.

Hue familyReds
Lightnessmedium-dark (59%)
Chromavivid (0.212)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.51:1
White text4.64:1

Values

HEX#DE2D2B
RGBrgb(222, 45, 43)
HSLhsl(1, 73%, 52%)
OKLCHoklch(58.6% 0.212 27.3)

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 #DE2D2B 4.64:1 AA Lc -76.0 Fine for body text
Black text on #DE2D2B 4.51:1 AA Lc 33.6 Non-text elements, placeholder text
#DE2D2B text on white 4.64:1 AA Lc 70.5 Content text, not long reading
#DE2D2B text on black 4.51:1 AA Lc -31.1 Non-text elements, placeholder text

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

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FBCDC6

    oklch(88.6% 0.053 28.3)

  4. Step 300

    300

    #F8A99F

    oklch(80.9% 0.095 27.3)

  5. Step 400

    400

    #F1766B

    oklch(70.7% 0.154 26.9)

  6. Step 500

    500

    #E84A42

    oklch(63.1% 0.196 27.2)

  7. Step 600

    600 (this color)

    #DE2D2B

    oklch(58.6% 0.212 27.3)

  8. Step 700

    700

    #B60713

    oklch(49% 0.197 27.2)

  9. Step 800

    800

    #941113

    oklch(42.7% 0.163 27.3)

  10. Step 900

    900

    #771B17

    oklch(37.8% 0.127 27.6)

  11. Step 950

    950

    #46120F

    oklch(27% 0.08 27.1)

Export this scale for Tailwind in the Tailwind colors tool

#DE2D2B 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)#665C280.231
Deuteranopia (no green cones)#9282220.208
Tritanopia (no blue cones)#F5002F0.046
Achromatopsia (no color)#7474740.214

Harmonies

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

Complementary

The opposite hue (180°).

  • #DE2D2B

    #DE2D2B

    oklch(58.6% 0.212 27.3)

  • #008C9A

    #008C9A

    oklch(58.5% 0.1 207.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DE2D2B

    #DE2D2B

    oklch(58.6% 0.212 27.3)

  • #D52B7D

    #D52B7D

    oklch(58.6% 0.212 357.3)

  • #B86200

    #B86200

    oklch(58.5% 0.141 57.4)

Open the analogous palette in the generator

Split complementary

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

  • #DE2D2B

    #DE2D2B

    oklch(58.6% 0.212 27.3)

  • #00917B

    #00917B

    oklch(58.7% 0.109 176.9)

  • #0085BE

    #0085BE

    oklch(58.5% 0.129 237.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DE2D2B

    #DE2D2B

    oklch(58.6% 0.212 27.3)

  • #009637

    #009637

    oklch(58.7% 0.173 147.3)

  • #456DF8

    #456DF8

    oklch(58.7% 0.212 267.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DE2D2B

    #DE2D2B

    oklch(58.6% 0.212 27.3)

  • #778500

    #778500

    oklch(58.5% 0.135 116.9)

  • #008C9A

    #008C9A

    oklch(58.5% 0.1 207.2)

  • #8D54E7

    #8D54E7

    oklch(58.6% 0.212 297.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DE2D2B, closest first.

Similar named colors

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

Use #DE2D2B 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.