#EF4C5A

Closest named color: Watermelon (#FD4659). oklch(64.8% 0.199 19.9), rgb(239, 76, 90).

Aa

Black text reads best on this color (5.85:1).

About this color

#EF4C5A is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.199 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 5.85:1.

Hue familyReds
Lightnessmedium-light (65%)
Chromavivid (0.199)
Temperaturewarm
Nearest nameWatermelon (#FD4659)
Black text5.85:1
White text3.58:1

Values

HEX#EF4C5A
RGBrgb(239, 76, 90)
HSLhsl(355, 84%, 62%)
OKLCHoklch(64.8% 0.199 19.9)

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 #EF4C5A 3.58:1 AA large text Lc -67.8 Content text, not long reading
Black text on #EF4C5A 5.85:1 AA Lc 41.7 Non-text elements, placeholder text
#EF4C5A text on white 3.58:1 AA large text Lc 62.3 Content text, not long reading
#EF4C5A text on black 5.85:1 AA Lc -39.4 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

    #F9A7A7

    oklch(80.8% 0.097 19.4)

  5. Step 400

    400

    #F27478

    oklch(70.8% 0.155 19.9)

  6. Step 500

    500 (this color)

    #EF4C5A

    oklch(64.8% 0.199 19.9)

  7. Step 600

    600

    #D4133A

    oklch(55.6% 0.216 19.9)

  8. Step 700

    700

    #B6002E

    oklch(49.1% 0.197 19.8)

  9. Step 800

    800

    #950926

    oklch(42.8% 0.166 19.8)

  10. Step 900

    900

    #771723

    oklch(37.6% 0.129 19.8)

  11. Step 950

    950

    #461015

    oklch(26.9% 0.082 19.5)

Export this scale for Tailwind in the Tailwind colors tool

#EF4C5A 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)#7871590.216
Deuteranopia (no green cones)#A194560.199
Tritanopia (no blue cones)#FF20520.048
Achromatopsia (no color)#8787870.200

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF4C5A

    #EF4C5A

    oklch(64.8% 0.199 19.9)

  • #00A2A9

    #00A2A9

    oklch(64.7% 0.11 200.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF4C5A

    #EF4C5A

    oklch(64.8% 0.199 19.9)

  • #E14E9F

    #E14E9F

    oklch(64.7% 0.198 350)

  • #DE6800

    #DE6800

    oklch(64.9% 0.172 50)

Open the analogous palette in the generator

Split complementary

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

  • #EF4C5A

    #EF4C5A

    oklch(64.8% 0.199 19.9)

  • #00A782

    #00A782

    oklch(64.8% 0.129 169.8)

  • #009CCE

    #009CCE

    oklch(64.9% 0.129 230.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF4C5A

    #EF4C5A

    oklch(64.8% 0.199 19.9)

  • #3CA919

    #3CA919

    oklch(64.7% 0.198 139.9)

  • #438AFF

    #438AFF

    oklch(64.8% 0.188 259.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF4C5A

    #EF4C5A

    oklch(64.8% 0.199 19.9)

  • #959500

    #959500

    oklch(64.8% 0.141 109.8)

  • #00A2A9

    #00A2A9

    oklch(64.7% 0.11 200.2)

  • #9072FD

    #9072FD

    oklch(64.9% 0.198 289.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF4C5A, closest first.

Similar named colors

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

Use #EF4C5A 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.