#EF4B59

Closest named color: Watermelon (#FD4659). oklch(64.7% 0.2 20.1), rgb(239, 75, 89).

Aa

Black text reads best on this color (5.82:1).

About this color

#EF4B59 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.200 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.026 away. Black text reads best on it, at 5.82:1.

Hue familyReds
Lightnessmedium-light (65%)
Chromavivid (0.200)
Temperaturewarm
Nearest nameWatermelon (#FD4659)
Black text5.82:1
White text3.60:1

Values

HEX#EF4B59
RGBrgb(239, 75, 89)
HSLhsl(355, 84%, 62%)
OKLCHoklch(64.7% 0.2 20.1)

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 #EF4B59 3.60:1 AA large text Lc -68.0 Content text, not long reading
Black text on #EF4B59 5.82:1 AA Lc 41.6 Non-text elements, placeholder text
#EF4B59 text on white 3.60:1 AA large text Lc 62.5 Content text, not long reading
#EF4B59 text on black 5.82:1 AA Lc -39.2 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

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FBCCCA

    oklch(88.5% 0.054 21.1)

  4. Step 300

    300

    #F9A7A6

    oklch(80.8% 0.097 20.2)

  5. Step 400

    400

    #F27377

    oklch(70.6% 0.157 20)

  6. Step 500

    500 (this color)

    #EF4B59

    oklch(64.7% 0.2 20.1)

  7. Step 600

    600

    #D51139

    oklch(55.7% 0.217 20.2)

  8. Step 700

    700

    #B6002D

    oklch(49.1% 0.197 20.1)

  9. Step 800

    800

    #950825

    oklch(42.7% 0.167 20.1)

  10. Step 900

    900

    #781723

    oklch(37.8% 0.13 20)

  11. Step 950

    950

    #471015

    oklch(27.1% 0.083 19.7)

Export this scale for Tailwind in the Tailwind colors tool

#EF4B59 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)#7771580.218
Deuteranopia (no green cones)#A193540.199
Tritanopia (no blue cones)#FF1D510.048
Achromatopsia (no color)#8787870.201

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF4B59

    #EF4B59

    oklch(64.7% 0.2 20.1)

  • #00A2A9

    #00A2A9

    oklch(64.7% 0.11 200.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF4B59

    #EF4B59

    oklch(64.7% 0.2 20.1)

  • #E14D9F

    #E14D9F

    oklch(64.6% 0.2 349.9)

  • #DD6800

    #DD6800

    oklch(64.8% 0.171 50.2)

Open the analogous palette in the generator

Split complementary

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

  • #EF4B59

    #EF4B59

    oklch(64.7% 0.2 20.1)

  • #00A782

    #00A782

    oklch(64.8% 0.129 169.8)

  • #009BCD

    #009BCD

    oklch(64.6% 0.129 230.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF4B59

    #EF4B59

    oklch(64.7% 0.2 20.1)

  • #3AA917

    #3AA917

    oklch(64.6% 0.199 140)

  • #4389FF

    #4389FF

    oklch(64.6% 0.189 260.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF4B59

    #EF4B59

    oklch(64.7% 0.2 20.1)

  • #949500

    #949500

    oklch(64.8% 0.142 110.3)

  • #00A2A9

    #00A2A9

    oklch(64.7% 0.11 200.2)

  • #9071FD

    #9071FD

    oklch(64.7% 0.2 289.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF4B59, closest first.

Similar named colors

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

Use #EF4B59 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.