#D21D2C

Closest named color: Cherry (#CF0234). oklch(55.4% 0.211 24.6), rgb(210, 29, 44).

Aa

White text reads best on this color (5.31:1).

About this color

#D21D2C is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.211 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Cherry (#CF0234), ΔE 0.021 away. White text reads best on it, at 5.31:1.

Hue familyReds
Lightnessmedium-dark (55%)
Chromavivid (0.211)
Temperaturewarm
Nearest nameCherry (#CF0234)
Black text3.95:1
White text5.31:1

Values

HEX#D21D2C
RGBrgb(210, 29, 44)
HSLhsl(355, 76%, 47%)
OKLCHoklch(55.4% 0.211 24.6)

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 #D21D2C 5.31:1 AA Lc -79.8 Fine for body text
Black text on #D21D2C 3.95:1 AA large text Lc 29.7 Dividers and decoration only
#D21D2C text on white 5.31:1 AA Lc 74.4 Content text, not long reading
#D21D2C text on black 3.95:1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FACCC8

    oklch(88.4% 0.053 24)

  4. Step 300

    300

    #F8A9A2

    oklch(80.9% 0.094 25)

  5. Step 400

    400

    #F07670

    oklch(70.6% 0.152 24.5)

  6. Step 500

    500

    #E74A4A

    oklch(63% 0.194 24.6)

  7. Step 600

    600 (this color)

    #D21D2C

    oklch(55.4% 0.211 24.6)

  8. Step 700

    700

    #B6071F

    oklch(49.1% 0.196 24.7)

  9. Step 800

    800

    #94111C

    oklch(42.8% 0.163 24.6)

  10. Step 900

    900

    #771A1D

    oklch(37.8% 0.127 24.2)

  11. Step 950

    950

    #461211

    oklch(27% 0.08 25.2)

Export this scale for Tailwind in the Tailwind colors tool

#D21D2C 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)#5C532A0.231
Deuteranopia (no green cones)#8779240.210
Tritanopia (no blue cones)#E800260.042
Achromatopsia (no color)#6B6B6B0.212

Harmonies

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

Complementary

The opposite hue (180°).

  • #D21D2C

    #D21D2C

    oklch(55.4% 0.211 24.6)

  • #00828D

    #00828D

    oklch(55.4% 0.095 205.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #D21D2C

    #D21D2C

    oklch(55.4% 0.211 24.6)

  • #C71F7A

    #C71F7A

    oklch(55.4% 0.211 354.4)

  • #AE5800

    #AE5800

    oklch(55.4% 0.138 54.7)

Open the analogous palette in the generator

Split complementary

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

  • #D21D2C

    #D21D2C

    oklch(55.4% 0.211 24.6)

  • #00866F

    #00866F

    oklch(55.4% 0.104 175)

  • #007CAD

    #007CAD

    oklch(55.4% 0.118 235.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #D21D2C

    #D21D2C

    oklch(55.4% 0.211 24.6)

  • #008B20

    #008B20

    oklch(55.3% 0.176 144.6)

  • #3265EC

    #3265EC

    oklch(55.5% 0.211 264.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #D21D2C

    #D21D2C

    oklch(55.4% 0.211 24.6)

  • #727A00

    #727A00

    oklch(55.4% 0.125 114.3)

  • #00828D

    #00828D

    oklch(55.4% 0.095 205.2)

  • #7F4CDE

    #7F4CDE

    oklch(55.4% 0.211 294.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D21D2C, closest first.

No curated palette has a color within ΔE 0.04 of #D21D2C.

Similar named colors

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

Use #D21D2C 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.