#DD022B

Closest named color: Crimson (#DC143C). oklch(56.7% 0.228 23.6), rgb(221, 2, 43).

Aa

White text reads best on this color (5.09:1).

About this color

#DD022B is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.228 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.016 away. White text reads best on it, at 5.09:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.228)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.11:1
White text5.09:1

Values

HEX#DD022B
RGBrgb(221, 2, 43)
HSLhsl(349, 98%, 44%)
OKLCHoklch(56.7% 0.228 23.6)

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 #DD022B 5.09:1 AA Lc -77.8 Fine for body text
Black text on #DD022B 4.11:1 AA large text Lc 31.7 Non-text elements, placeholder text
#DD022B text on white 5.09:1 AA Lc 72.4 Content text, not long reading
#DD022B text on black 4.11:1 AA large text Lc -29.3 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FDE3E0

    oklch(93.6% 0.029 25.6)

  3. Step 200

    200

    #FDCBC7

    oklch(88.5% 0.057 23.6)

  4. Step 300

    300

    #FCA6A1

    oklch(80.8% 0.103 23.2)

  5. Step 400

    400

    #F6716E

    oklch(70.7% 0.164 23.5)

  6. Step 500

    500

    #EE4047

    oklch(63.2% 0.21 23.6)

  7. Step 600

    600 (this color)

    #DD022B

    oklch(56.7% 0.228 23.6)

  8. Step 700

    700

    #B70021

    oklch(49.2% 0.199 23.8)

  9. Step 800

    800

    #97001A

    oklch(42.7% 0.172 23.6)

  10. Step 900

    900

    #7A121A

    oklch(37.6% 0.137 23.7)

  11. Step 950

    950

    #480F10

    oklch(27% 0.086 24.2)

Export this scale for Tailwind in the Tailwind colors tool

#DD022B 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)#5B53290.254
Deuteranopia (no green cones)#8C7D210.229
Tritanopia (no blue cones)#F4001B0.048
Achromatopsia (no color)#6E6E6E0.230

Harmonies

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

Complementary

The opposite hue (180°).

  • #DD022B

    #DD022B

    oklch(56.7% 0.228 23.6)

  • #008690

    #008690

    oklch(56.5% 0.096 204)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DD022B

    #DD022B

    oklch(56.7% 0.228 23.6)

  • #D10E80

    #D10E80

    oklch(56.7% 0.228 353.8)

  • #B45A00

    #B45A00

    oklch(56.6% 0.142 53.9)

Open the analogous palette in the generator

Split complementary

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

  • #DD022B

    #DD022B

    oklch(56.7% 0.228 23.6)

  • #008B71

    #008B71

    oklch(56.8% 0.109 173.4)

  • #0080B0

    #0080B0

    oklch(56.5% 0.118 233.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DD022B

    #DD022B

    oklch(56.7% 0.228 23.6)

  • #009017

    #009017

    oklch(56.7% 0.186 143.6)

  • #2A67FA

    #2A67FA

    oklch(56.8% 0.228 263.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DD022B

    #DD022B

    oklch(56.7% 0.228 23.6)

  • #777E00

    #777E00

    oklch(56.8% 0.127 113.6)

  • #008690

    #008690

    oklch(56.5% 0.096 204)

  • #834BEC

    #834BEC

    oklch(56.7% 0.228 293.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DD022B, closest first.

No curated palette has a color within ΔE 0.04 of #DD022B.

Similar named colors

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

Use #DD022B 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.