#EF4C4C

Closest named color: Light Red (#FF474C). oklch(64.6% 0.2 24.7), rgb(239, 76, 76).

Aa

Black text reads best on this color (5.80:1).

About this color

#EF4C4C is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.200 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Light Red (#FF474C), ΔE 0.029 away. Black text reads best on it, at 5.80:1.

Hue familyReds
Lightnessmedium-light (65%)
Chromavivid (0.200)
Temperaturewarm
Nearest nameLight Red (#FF474C)
Black text5.80:1
White text3.61:1

Values

HEX#EF4C4C
RGBrgb(239, 76, 76)
HSLhsl(0, 84%, 62%)
OKLCHoklch(64.6% 0.2 24.7)

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 #EF4C4C 3.61:1 AA large text Lc -68.0 Content text, not long reading
Black text on #EF4C4C 5.80:1 AA Lc 41.5 Non-text elements, placeholder text
#EF4C4C text on white 3.61:1 AA large text Lc 62.6 Content text, not long reading
#EF4C4C text on black 5.80:1 AA Lc -39.1 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FBCCC7

    oklch(88.5% 0.054 25.3)

  4. Step 300

    300

    #FAA8A1

    oklch(81% 0.098 24.8)

  5. Step 400

    400

    #F2746E

    oklch(70.6% 0.156 24.6)

  6. Step 500

    500 (this color)

    #EF4C4C

    oklch(64.6% 0.2 24.7)

  7. Step 600

    600

    #D51429

    oklch(55.6% 0.217 24.6)

  8. Step 700

    700

    #B7001D

    oklch(49.1% 0.199 24.8)

  9. Step 800

    800

    #950A19

    oklch(42.6% 0.167 24.7)

  10. Step 900

    900

    #78181B

    oklch(37.7% 0.13 24.7)

  11. Step 950

    950

    #471111

    oklch(27.1% 0.082 24.5)

Export this scale for Tailwind in the Tailwind colors tool

#EF4C4C 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)#79704A0.216
Deuteranopia (no green cones)#A293470.197
Tritanopia (no blue cones)#FF1A4E0.054
Achromatopsia (no color)#8787870.201

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF4C4C

    #EF4C4C

    oklch(64.6% 0.2 24.7)

  • #00A1AD

    #00A1AD

    oklch(64.6% 0.11 204.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF4C4C

    #EF4C4C

    oklch(64.6% 0.2 24.7)

  • #E44B95

    #E44B95

    oklch(64.5% 0.2 354.4)

  • #D66E00

    #D66E00

    oklch(64.7% 0.161 54.8)

Open the analogous palette in the generator

Split complementary

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

  • #EF4C4C

    #EF4C4C

    oklch(64.6% 0.2 24.7)

  • #00A689

    #00A689

    oklch(64.7% 0.123 174.3)

  • #0099D4

    #0099D4

    oklch(64.5% 0.137 234.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF4C4C

    #EF4C4C

    oklch(64.6% 0.2 24.7)

  • #13AB30

    #13AB30

    oklch(64.6% 0.199 144.7)

  • #5386FF

    #5386FF

    oklch(64.7% 0.188 264.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF4C4C

    #EF4C4C

    oklch(64.6% 0.2 24.7)

  • #8C9700

    #8C9700

    oklch(64.5% 0.146 114.8)

  • #00A1AD

    #00A1AD

    oklch(64.6% 0.11 204.2)

  • #996DF8

    #996DF8

    oklch(64.6% 0.199 294.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF4C4C, closest first.

Similar named colors

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

Use #EF4C4C 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.