#D92521

Closest named color: Crimson (#DC143C). oklch(57.1% 0.214 28.1), rgb(217, 37, 33).

Aa

White text reads best on this color (4.95:1).

About this color

#D92521 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.214 and its hue 28°. 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 4.95:1.

Hue familyReds
Lightnessmedium-dark (57%)
Chromavivid (0.214)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.23:1
White text4.95:1

Values

HEX#D92521
RGBrgb(217, 37, 33)
HSLhsl(1, 74%, 49%)
OKLCHoklch(57.1% 0.214 28.1)

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 #D92521 4.95:1 AA Lc -77.8 Fine for body text
Black text on #D92521 4.23:1 AA large text Lc 31.7 Non-text elements, placeholder text
#D92521 text on white 4.95:1 AA Lc 72.4 Content text, not long reading
#D92521 text on black 4.23:1 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

    #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

    #F9A99E

    oklch(81% 0.097 28)

  5. Step 400

    400

    #F17669

    oklch(70.6% 0.154 27.8)

  6. Step 500

    500

    #E84A3F

    oklch(63.1% 0.196 28.1)

  7. Step 600

    600 (this color)

    #D92521

    oklch(57.1% 0.214 28.1)

  8. Step 700

    700

    #B7050C

    oklch(49.1% 0.199 28.2)

  9. Step 800

    800

    #94100F

    oklch(42.6% 0.164 28.2)

  10. Step 900

    900

    #771A15

    oklch(37.7% 0.128 28.2)

  11. Step 950

    950

    #46120E

    oklch(27% 0.081 28.1)

Export this scale for Tailwind in the Tailwind colors tool

#D92521 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)#62571D0.232
Deuteranopia (no green cones)#8D7E150.211
Tritanopia (no blue cones)#EF00270.043
Achromatopsia (no color)#7070700.215

Harmonies

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

Complementary

The opposite hue (180°).

  • #D92521

    #D92521

    oklch(57.1% 0.214 28.1)

  • #008796

    #008796

    oklch(57% 0.098 208.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #D92521

    #D92521

    oklch(57.1% 0.214 28.1)

  • #D02277

    #D02277

    oklch(57% 0.214 357.9)

  • #B15F00

    #B15F00

    oklch(57% 0.136 58.1)

Open the analogous palette in the generator

Split complementary

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

  • #D92521

    #D92521

    oklch(57.1% 0.214 28.1)

  • #008B78

    #008B78

    oklch(57% 0.104 178.6)

  • #0080B9

    #0080B9

    oklch(57% 0.127 238.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #D92521

    #D92521

    oklch(57.1% 0.214 28.1)

  • #009039

    #009039

    oklch(57% 0.164 148.2)

  • #4467F3

    #4467F3

    oklch(57.1% 0.213 268.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #D92521

    #D92521

    oklch(57.1% 0.214 28.1)

  • #718100

    #718100

    oklch(57% 0.133 118.1)

  • #008796

    #008796

    oklch(57% 0.098 208.5)

  • #8A4EE2

    #8A4EE2

    oklch(57.1% 0.214 297.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #D92521, closest first.

Similar named colors

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

Use #D92521 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.