#EF5A66

Closest named color: Grapefruit (#FD5956). oklch(66.6% 0.183 18.9), rgb(239, 90, 102).

Aa

Black text reads best on this color (6.32:1).

About this color

#EF5A66 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.183 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.032 away. Black text reads best on it, at 6.32:1.

Hue familyReds
Lightnessmedium-light (67%)
Chromavivid (0.183)
Temperaturewarm
Nearest nameGrapefruit (#FD5956)
Black text6.32:1
White text3.32:1

Values

HEX#EF5A66
RGBrgb(239, 90, 102)
HSLhsl(355, 82%, 65%)
OKLCHoklch(66.6% 0.183 18.9)

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 #EF5A66 3.32:1 AA large text Lc -65.1 Content text, not long reading
Black text on #EF5A66 6.32:1 AA Lc 44.3 Non-text elements, placeholder text
#EF5A66 text on white 3.32:1 AA large text Lc 59.7 Large or bold text, headings
#EF5A66 text on black 6.32:1 AA Lc -42.0 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

    #FBE3E3

    oklch(93.5% 0.026 17.6)

  3. Step 200

    200

    #F9CDCC

    oklch(88.6% 0.05 19.7)

  4. Step 300

    300

    #F5A9AA

    oklch(80.8% 0.09 18.4)

  5. Step 400

    400

    #EC787D

    oklch(70.7% 0.143 18.7)

  6. Step 500

    500 (this color)

    #EF5A66

    oklch(66.6% 0.183 18.9)

  7. Step 600

    600

    #CE2842

    oklch(55.7% 0.199 19)

  8. Step 700

    700

    #B21634

    oklch(49.2% 0.186 18.9)

  9. Step 800

    800

    #90182B

    oklch(42.6% 0.153 19.1)

  10. Step 900

    900

    #741D27

    oklch(37.7% 0.12 18.9)

  11. Step 950

    950

    #441317

    oklch(26.9% 0.075 19)

Export this scale for Tailwind in the Tailwind colors tool

#EF5A66 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)#7F79660.199
Deuteranopia (no green cones)#A599620.184
Tritanopia (no blue cones)#FF3D5F0.045
Achromatopsia (no color)#8D8D8D0.185

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF5A66

    #EF5A66

    oklch(66.6% 0.183 18.9)

  • #00A8AE

    #00A8AE

    oklch(66.5% 0.113 199.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF5A66

    #EF5A66

    oklch(66.6% 0.183 18.9)

  • #E15CA6

    #E15CA6

    oklch(66.6% 0.183 348.7)

  • #E76A00

    #E76A00

    oklch(66.5% 0.179 48.9)

Open the analogous palette in the generator

Split complementary

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

  • #EF5A66

    #EF5A66

    oklch(66.6% 0.183 18.9)

  • #00AD86

    #00AD86

    oklch(66.5% 0.133 169.3)

  • #00A2D3

    #00A2D3

    oklch(66.6% 0.131 228.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF5A66

    #EF5A66

    oklch(66.6% 0.183 18.9)

  • #50AD2F

    #50AD2F

    oklch(66.6% 0.183 138.9)

  • #4A91FF

    #4A91FF

    oklch(66.5% 0.178 259)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF5A66

    #EF5A66

    oklch(66.6% 0.183 18.9)

  • #9C9A00

    #9C9A00

    oklch(66.6% 0.144 108.8)

  • #00A8AE

    #00A8AE

    oklch(66.5% 0.113 199.3)

  • #937BFB

    #937BFB

    oklch(66.5% 0.183 289)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF5A66, closest first.

Similar named colors

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

Use #EF5A66 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.