#EF4A4F

Closest named color: Watermelon (#FD4659). oklch(64.4% 0.201 23.2), rgb(239, 74, 79).

Aa

Black text reads best on this color (5.76:1).

About this color

#EF4A4F is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.201 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.029 away. Black text reads best on it, at 5.76:1.

Hue familyReds
Lightnessmedium-light (64%)
Chromavivid (0.201)
Temperaturewarm
Nearest nameWatermelon (#FD4659)
Black text5.76:1
White text3.64:1

Values

HEX#EF4A4F
RGBrgb(239, 74, 79)
HSLhsl(358, 84%, 61%)
OKLCHoklch(64.4% 0.201 23.2)

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 #EF4A4F 3.64:1 AA large text Lc -68.3 Content text, not long reading
Black text on #EF4A4F 5.76:1 AA Lc 41.3 Non-text elements, placeholder text
#EF4A4F text on white 3.64:1 AA large text Lc 62.8 Content text, not long reading
#EF4A4F text on black 5.76:1 AA Lc -38.9 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 500.

  1. Step 50

    50

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FCCCC8

    oklch(88.6% 0.055 23.8)

  4. Step 300

    300

    #FAA7A3

    oklch(80.8% 0.099 22.5)

  5. Step 400

    400

    #F37471

    oklch(70.8% 0.157 23.3)

  6. Step 500

    500 (this color)

    #EF4A4F

    oklch(64.4% 0.201 23.2)

  7. Step 600

    600

    #D6102E

    oklch(55.7% 0.219 23.2)

  8. Step 700

    700

    #B70023

    oklch(49.2% 0.199 23.2)

  9. Step 800

    800

    #96071D

    oklch(42.8% 0.169 23.2)

  10. Step 900

    900

    #78171D

    oklch(37.7% 0.131 23.3)

  11. Step 950

    950

    #471012

    oklch(27% 0.084 22.8)

Export this scale for Tailwind in the Tailwind colors tool

#EF4A4F 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)#786F4E0.217
Deuteranopia (no green cones)#A1934A0.201
Tritanopia (no blue cones)#FF154D0.052
Achromatopsia (no color)#8686860.203

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF4A4F

    #EF4A4F

    oklch(64.4% 0.201 23.2)

  • #00A0AB

    #00A0AB

    oklch(64.3% 0.11 203.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF4A4F

    #EF4A4F

    oklch(64.4% 0.201 23.2)

  • #E34A97

    #E34A97

    oklch(64.3% 0.201 353.3)

  • #D76B00

    #D76B00

    oklch(64.4% 0.163 53)

Open the analogous palette in the generator

Split complementary

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

  • #EF4A4F

    #EF4A4F

    oklch(64.4% 0.201 23.2)

  • #00A587

    #00A587

    oklch(64.4% 0.123 173.6)

  • #0099D1

    #0099D1

    oklch(64.3% 0.134 233.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF4A4F

    #EF4A4F

    oklch(64.4% 0.201 23.2)

  • #20AA27

    #20AA27

    oklch(64.4% 0.201 143.3)

  • #4E86FF

    #4E86FF

    oklch(64.4% 0.19 263.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF4A4F

    #EF4A4F

    oklch(64.4% 0.201 23.2)

  • #8E9600

    #8E9600

    oklch(64.5% 0.144 113.5)

  • #00A0AB

    #00A0AB

    oklch(64.3% 0.11 203.4)

  • #966DFA

    #966DFA

    oklch(64.4% 0.202 293.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF4A4F, closest first.

Similar named colors

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

Use #EF4A4F 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.