#DA2137

Closest named color: Crimson (#DC143C). oklch(57.2% 0.215 22.5), rgb(218, 33, 55).

Aa

White text reads best on this color (4.93:1).

About this color

#DA2137 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.215 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.012 away. White text reads best on it, at 4.93:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.215)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.25:1
White text4.93:1

Values

HEX#DA2137
RGBrgb(218, 33, 55)
HSLhsl(353, 74%, 49%)
OKLCHoklch(57.2% 0.215 22.5)

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 #DA2137 4.93:1 AA Lc -77.6 Fine for body text
Black text on #DA2137 4.25:1 AA large text Lc 31.9 Non-text elements, placeholder text
#DA2137 text on white 4.93:1 AA Lc 72.2 Content text, not long reading
#DA2137 text on black 4.25:1 AA large text Lc -29.5 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FBCCC9

    oklch(88.5% 0.054 22.5)

  4. Step 300

    300

    #F9A8A4

    oklch(80.9% 0.096 22.5)

  5. Step 400

    400

    #F27573

    oklch(70.8% 0.155 22.7)

  6. Step 500

    500

    #E9474F

    oklch(63.1% 0.198 22.3)

  7. Step 600

    600 (this color)

    #DA2137

    oklch(57.2% 0.215 22.5)

  8. Step 700

    700

    #B60025

    oklch(49% 0.198 22.6)

  9. Step 800

    800

    #950C20

    oklch(42.8% 0.166 22.5)

  10. Step 900

    900

    #77181F

    oklch(37.6% 0.129 22.5)

  11. Step 950

    950

    #461113

    oklch(26.9% 0.081 22.4)

Export this scale for Tailwind in the Tailwind colors tool

#DA2137 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)#5F57360.237
Deuteranopia (no green cones)#8C7E300.215
Tritanopia (no blue cones)#F0002C0.042
Achromatopsia (no color)#7070700.216

Harmonies

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

Complementary

The opposite hue (180°).

  • #DA2137

    #DA2137

    oklch(57.2% 0.215 22.5)

  • #008991

    #008991

    oklch(57.4% 0.098 202)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DA2137

    #DA2137

    oklch(57.2% 0.215 22.5)

  • #CE2584

    #CE2584

    oklch(57.3% 0.215 352.5)

  • #B85A00

    #B85A00

    oklch(57.2% 0.146 52.7)

Open the analogous palette in the generator

Split complementary

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

  • #DA2137

    #DA2137

    oklch(57.2% 0.215 22.5)

  • #008D71

    #008D71

    oklch(57.3% 0.111 172.2)

  • #0083B1

    #0083B1

    oklch(57.3% 0.117 232.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DA2137

    #DA2137

    oklch(57.2% 0.215 22.5)

  • #009200

    #009200

    oklch(57.2% 0.195 142.5)

  • #2B6CF4

    #2B6CF4

    oklch(57.2% 0.215 262.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DA2137

    #DA2137

    oklch(57.2% 0.215 22.5)

  • #7A7F00

    #7A7F00

    oklch(57.3% 0.127 112.5)

  • #008991

    #008991

    oklch(57.4% 0.098 202)

  • #8152E8

    #8152E8

    oklch(57.2% 0.215 292.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DA2137, closest first.

Similar named colors

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

Use #DA2137 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.