#EF6A63

Closest named color: Burnt Sienna (#E76F51). oklch(68.6% 0.166 25.4), rgb(239, 106, 99).

Aa

Black text reads best on this color (6.91:1).

About this color

#EF6A63 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.166 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.030 away. Black text reads best on it, at 6.91:1.

Hue familyReds
Lightnessmedium-light (69%)
Chromavivid (0.166)
Temperaturewarm
Nearest nameBurnt Sienna (#E76F51)
Black text6.91:1
White text3.03:1

Values

HEX#EF6A63
RGBrgb(239, 106, 99)
HSLhsl(3, 81%, 66%)
OKLCHoklch(68.6% 0.166 25.4)

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 #EF6A63 3.03:1 AA large text Lc -61.9 Content text, not long reading
Black text on #EF6A63 6.91:1 AA Lc 47.5 Large or bold text, headings
#EF6A63 text on white 3.03:1 AA large text Lc 56.5 Large or bold text, headings
#EF6A63 text on black 6.91:1 AA Lc -45.3 Large or bold text, headings

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 400.

  1. Step 50

    50

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE3E0

    oklch(93.7% 0.03 25.3)

  3. Step 200

    200

    #FDCBC6

    oklch(88.4% 0.057 24.9)

  4. Step 300

    300

    #FDA69E

    oklch(80.9% 0.104 25.4)

  5. Step 400

    400 (this color)

    #EF6A63

    oklch(68.6% 0.166 25.4)

  6. Step 500

    500

    #EE3F40

    oklch(63% 0.212 25.4)

  7. Step 600

    600

    #D80021

    oklch(55.6% 0.225 25.4)

  8. Step 700

    700

    #B7001A

    oklch(49.1% 0.199 25.4)

  9. Step 800

    800

    #970014

    oklch(42.6% 0.173 25.3)

  10. Step 900

    900

    #7B1216

    oklch(37.8% 0.139 25.5)

  11. Step 950

    950

    #480E0E

    oklch(26.9% 0.088 25.3)

Export this scale for Tailwind in the Tailwind colors tool

#EF6A63 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)#8B82620.174
Deuteranopia (no green cones)#AC9F600.163
Tritanopia (no blue cones)#FF52690.050
Achromatopsia (no color)#9494940.167

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF6A63

    #EF6A63

    oklch(68.6% 0.166 25.4)

  • #00AEBD

    #00AEBD

    oklch(68.5% 0.117 205.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF6A63

    #EF6A63

    oklch(68.6% 0.166 25.4)

  • #E6689E

    #E6689E

    oklch(68.5% 0.166 355.5)

  • #E5790D

    #E5790D

    oklch(68.6% 0.166 55.4)

Open the analogous palette in the generator

Split complementary

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

  • #EF6A63

    #EF6A63

    oklch(68.6% 0.166 25.4)

  • #00B396

    #00B396

    oklch(68.5% 0.129 175.5)

  • #00A6E7

    #00A6E7

    oklch(68.5% 0.146 235.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF6A63

    #EF6A63

    oklch(68.6% 0.166 25.4)

  • #49B455

    #49B455

    oklch(68.6% 0.166 145.5)

  • #6894FF

    #6894FF

    oklch(68.5% 0.165 265.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF6A63

    #EF6A63

    oklch(68.6% 0.166 25.4)

  • #97A400

    #97A400

    oklch(68.5% 0.156 115.3)

  • #00AEBD

    #00AEBD

    oklch(68.5% 0.117 205.7)

  • #A381F4

    #A381F4

    oklch(68.5% 0.166 295.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF6A63, closest first.

Similar named colors

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

Use #EF6A63 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.