#EF4557

Closest named color: Watermelon (#FD4659). oklch(64.1% 0.205 19.5), rgb(239, 69, 87).

Aa

Black text reads best on this color (5.65:1).

About this color

#EF4557 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.205 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.027 away. Black text reads best on it, at 5.65:1.

Hue familyReds
Lightnessmedium-light (64%)
Chromavivid (0.205)
Temperaturewarm
Nearest nameWatermelon (#FD4659)
Black text5.65:1
White text3.71:1

Values

HEX#EF4557
RGBrgb(239, 69, 87)
HSLhsl(354, 84%, 60%)
OKLCHoklch(64.1% 0.205 19.5)

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 #EF4557 3.71:1 AA large text Lc -68.9 Content text, not long reading
Black text on #EF4557 5.65:1 AA Lc 40.7 Non-text elements, placeholder text
#EF4557 text on white 3.71:1 AA large text Lc 63.4 Content text, not long reading
#EF4557 text on black 5.65:1 AA Lc -38.3 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 500.

  1. Step 50

    50

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FDE3E2

    oklch(93.7% 0.029 20.3)

  3. Step 200

    200

    #FCCBCA

    oklch(88.4% 0.056 19.6)

  4. Step 300

    300

    #FBA6A6

    oklch(80.9% 0.101 19.5)

  5. Step 400

    400

    #F47177

    oklch(70.6% 0.161 19.3)

  6. Step 500

    500 (this color)

    #EF4557

    oklch(64.1% 0.205 19.5)

  7. Step 600

    600

    #D70039

    oklch(55.6% 0.223 19.6)

  8. Step 700

    700

    #B6002F

    oklch(49.1% 0.197 19.5)

  9. Step 800

    800

    #960025

    oklch(42.6% 0.171 19.5)

  10. Step 900

    900

    #791423

    oklch(37.7% 0.134 19.3)

  11. Step 950

    950

    #470F15

    oklch(26.9% 0.084 19.1)

Export this scale for Tailwind in the Tailwind colors tool

#EF4557 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)#746E560.225
Deuteranopia (no green cones)#9F92520.207
Tritanopia (no blue cones)#FF064D0.048
Achromatopsia (no color)#8585850.207

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF4557

    #EF4557

    oklch(64.1% 0.205 19.5)

  • #00A0A6

    #00A0A6

    oklch(64.1% 0.109 199.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF4557

    #EF4557

    oklch(64.1% 0.205 19.5)

  • #E1489F

    #E1489F

    oklch(64.1% 0.206 349.5)

  • #DB6500

    #DB6500

    oklch(64% 0.171 49.3)

Open the analogous palette in the generator

Split complementary

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

  • #EF4557

    #EF4557

    oklch(64.1% 0.205 19.5)

  • #00A580

    #00A580

    oklch(64.2% 0.128 169.5)

  • #009ACA

    #009ACA

    oklch(64.2% 0.127 229.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF4557

    #EF4557

    oklch(64.1% 0.205 19.5)

  • #37A700

    #37A700

    oklch(63.9% 0.204 139.5)

  • #3C87FF

    #3C87FF

    oklch(64% 0.194 259.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF4557

    #EF4557

    oklch(64.1% 0.205 19.5)

  • #939200

    #939200

    oklch(64% 0.139 109.3)

  • #00A0A6

    #00A0A6

    oklch(64.1% 0.109 199.5)

  • #8E6EFE

    #8E6EFE

    oklch(64.1% 0.205 289.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF4557, closest first.

Similar named colors

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

Use #EF4557 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.