#DE2740

Closest named color: Crimson (#DC143C). oklch(58.4% 0.214 20.9), rgb(222, 39, 64).

Aa

White text reads best on this color (4.69:1).

About this color

#DE2740 is a medium-dark, vivid red. In OKLCH its lightness is 58%, its chroma 0.214 and its hue 21°. 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 4.69:1.

Hue familyReds
Lightnessmedium-dark (58%)
Chromavivid (0.214)
Temperaturewarm
Nearest nameCrimson (#DC143C)
Black text4.47:1
White text4.69:1

Values

HEX#DE2740
RGBrgb(222, 39, 64)
HSLhsl(352, 73%, 51%)
OKLCHoklch(58.4% 0.214 20.9)

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 #DE2740 4.69:1 AA Lc -76.2 Fine for body text
Black text on #DE2740 4.47:1 AA large text Lc 33.3 Non-text elements, placeholder text
#DE2740 text on white 4.69:1 AA Lc 70.8 Content text, not long reading
#DE2740 text on black 4.47:1 AA large text Lc -30.9 Non-text elements, placeholder text

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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FBCCCA

    oklch(88.5% 0.054 21.1)

  4. Step 300

    300

    #F9A8A6

    oklch(81% 0.096 21)

  5. Step 400

    400

    #F17476

    oklch(70.6% 0.154 20.8)

  6. Step 500

    500

    #E84753

    oklch(63% 0.197 20.8)

  7. Step 600

    600 (this color)

    #DE2740

    oklch(58.4% 0.214 20.9)

  8. Step 700

    700

    #B6002B

    oklch(49.1% 0.197 20.8)

  9. Step 800

    800

    #940C24

    oklch(42.6% 0.164 20.9)

  10. Step 900

    900

    #771822

    oklch(37.7% 0.129 20.7)

  11. Step 950

    950

    #461114

    oklch(27% 0.081 21.3)

Export this scale for Tailwind in the Tailwind colors tool

#DE2740 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)#625B3F0.237
Deuteranopia (no green cones)#8F813A0.215
Tritanopia (no blue cones)#F400330.042
Achromatopsia (no color)#7474740.216

Harmonies

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

Complementary

The opposite hue (180°).

  • #DE2740

    #DE2740

    oklch(58.4% 0.214 20.9)

  • #008D94

    #008D94

    oklch(58.5% 0.1 201)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DE2740

    #DE2740

    oklch(58.4% 0.214 20.9)

  • #D12C8B

    #D12C8B

    oklch(58.5% 0.215 351)

  • #C05B00

    #C05B00

    oklch(58.5% 0.153 51)

Open the analogous palette in the generator

Split complementary

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

  • #DE2740

    #DE2740

    oklch(58.4% 0.214 20.9)

  • #009172

    #009172

    oklch(58.4% 0.115 170.7)

  • #0087B4

    #0087B4

    oklch(58.4% 0.117 230.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DE2740

    #DE2740

    oklch(58.4% 0.214 20.9)

  • #239500

    #239500

    oklch(58.5% 0.192 140.8)

  • #2571F7

    #2571F7

    oklch(58.3% 0.214 261)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DE2740

    #DE2740

    oklch(58.4% 0.214 20.9)

  • #808200

    #808200

    oklch(58.5% 0.129 110.9)

  • #008D94

    #008D94

    oklch(58.5% 0.1 201)

  • #8158EE

    #8158EE

    oklch(58.5% 0.214 290.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DE2740, closest first.

Similar named colors

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

Use #DE2740 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.