#DD1C2B

Closest named color: Crimson (#DC143C). oklch(57.4% 0.221 25.2), rgb(221, 28, 43).

Aa

White text reads best on this color (4.91:1).

About this color

#DD1C2B is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.221 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.020 away. White text reads best on it, at 4.91:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.221)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.27:1
White text4.91:1

Values

HEX#DD1C2B
RGBrgb(221, 28, 43)
HSLhsl(355, 78%, 49%)
OKLCHoklch(57.4% 0.221 25.2)

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 #DD1C2B 4.91:1 AA Lc -77.3 Fine for body text
Black text on #DD1C2B 4.27:1 AA large text Lc 32.2 Non-text elements, placeholder text
#DD1C2B text on white 4.91:1 AA Lc 71.8 Content text, not long reading
#DD1C2B text on black 4.27:1 AA large text Lc -29.8 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

    #FDE3E0

    oklch(93.6% 0.029 25.6)

  3. Step 200

    200

    #FCCCC7

    oklch(88.6% 0.055 25.2)

  4. Step 300

    300

    #FAA8A0

    oklch(80.9% 0.098 25.6)

  5. Step 400

    400

    #F4746C

    oklch(70.8% 0.159 25.5)

  6. Step 500

    500

    #EB4545

    oklch(63.1% 0.203 25.1)

  7. Step 600

    600 (this color)

    #DD1C2B

    oklch(57.4% 0.221 25.2)

  8. Step 700

    700

    #B7001B

    oklch(49.1% 0.199 25.2)

  9. Step 800

    800

    #960616

    oklch(42.6% 0.17 25.3)

  10. Step 900

    900

    #791719

    oklch(37.8% 0.132 25.4)

  11. Step 950

    950

    #471010

    oklch(27% 0.084 24.7)

Export this scale for Tailwind in the Tailwind colors tool

#DD1C2B 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)#6057290.243
Deuteranopia (no green cones)#8E7F210.220
Tritanopia (no blue cones)#F400250.044
Achromatopsia (no color)#7171710.222

Harmonies

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

Complementary

The opposite hue (180°).

  • #DD1C2B

    #DD1C2B

    oklch(57.4% 0.221 25.2)

  • #008994

    #008994

    oklch(57.5% 0.098 204.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DD1C2B

    #DD1C2B

    oklch(57.4% 0.221 25.2)

  • #D21E7F

    #D21E7F

    oklch(57.4% 0.221 355)

  • #B65D00

    #B65D00

    oklch(57.4% 0.142 55.1)

Open the analogous palette in the generator

Split complementary

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

  • #DD1C2B

    #DD1C2B

    oklch(57.4% 0.221 25.2)

  • #008D75

    #008D75

    oklch(57.4% 0.108 175)

  • #0082B6

    #0082B6

    oklch(57.3% 0.122 235.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DD1C2B

    #DD1C2B

    oklch(57.4% 0.221 25.2)

  • #009227

    #009227

    oklch(57.4% 0.18 145.1)

  • #3769F8

    #3769F8

    oklch(57.4% 0.221 265.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DD1C2B

    #DD1C2B

    oklch(57.4% 0.221 25.2)

  • #778100

    #778100

    oklch(57.5% 0.13 115.1)

  • #008994

    #008994

    oklch(57.5% 0.098 204.7)

  • #874FE9

    #874FE9

    oklch(57.4% 0.22 295.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DD1C2B, closest first.

Similar named colors

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

Use #DD1C2B 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.