#EF3C50

Closest named color: Imperial Red (#E63946). oklch(63.2% 0.214 20.2), rgb(239, 60, 80).

Aa

Black text reads best on this color (5.43:1).

About this color

#EF3C50 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.214 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.022 away. Black text reads best on it, at 5.43:1.

Hue familyReds
Lightnessmedium-light (63%)
Chromavivid (0.214)
Temperaturewarm
Nearest nameImperial Red (#E63946)
Black text5.43:1
White text3.86:1

Values

HEX#EF3C50
RGBrgb(239, 60, 80)
HSLhsl(353, 85%, 59%)
OKLCHoklch(63.2% 0.214 20.2)

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 #EF3C50 3.86:1 AA large text Lc -70.1 Content text, not long reading
Black text on #EF3C50 5.43:1 AA Lc 39.4 Non-text elements, placeholder text
#EF3C50 text on white 3.86:1 AA large text Lc 64.6 Content text, not long reading
#EF3C50 text on black 5.43:1 AA Lc -37.0 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE2E1

    oklch(93.5% 0.031 20.2)

  3. Step 200

    200

    #FECBC9

    oklch(88.6% 0.058 20.9)

  4. Step 300

    300

    #FDA5A4

    oklch(80.9% 0.105 20.3)

  5. Step 400

    400

    #F76F74

    oklch(70.7% 0.167 20.1)

  6. Step 500

    500 (this color)

    #EF3C50

    oklch(63.2% 0.214 20.2)

  7. Step 600

    600

    #D70037

    oklch(55.6% 0.223 20.1)

  8. Step 700

    700

    #B6002D

    oklch(49.1% 0.197 20.1)

  9. Step 800

    800

    #970023

    oklch(42.8% 0.172 20.4)

  10. Step 900

    900

    #7B0F20

    oklch(37.7% 0.14 20.1)

  11. Step 950

    950

    #480D13

    oklch(26.9% 0.088 20.1)

Export this scale for Tailwind in the Tailwind colors tool

#EF3C50 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)#70694F0.235
Deuteranopia (no green cones)#9D8F4B0.214
Tritanopia (no blue cones)#FF00450.041
Achromatopsia (no color)#8282820.215

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF3C50

    #EF3C50

    oklch(63.2% 0.214 20.2)

  • #009DA3

    #009DA3

    oklch(63.2% 0.108 199.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF3C50

    #EF3C50

    oklch(63.2% 0.214 20.2)

  • #E1409B

    #E1409B

    oklch(63.2% 0.213 350.3)

  • #D66400

    #D66400

    oklch(63.2% 0.167 50)

Open the analogous palette in the generator

Split complementary

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

  • #EF3C50

    #EF3C50

    oklch(63.2% 0.214 20.2)

  • #00A17E

    #00A17E

    oklch(63.1% 0.125 170.2)

  • #0096C7

    #0096C7

    oklch(63.1% 0.126 230.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF3C50

    #EF3C50

    oklch(63.2% 0.214 20.2)

  • #30A500

    #30A500

    oklch(63.2% 0.204 140.1)

  • #3A83FF

    #3A83FF

    oklch(63.1% 0.199 260.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF3C50

    #EF3C50

    oklch(63.2% 0.214 20.2)

  • #8F9000

    #8F9000

    oklch(63.2% 0.138 110.3)

  • #009DA3

    #009DA3

    oklch(63.2% 0.108 199.6)

  • #8D68FF

    #8D68FF

    oklch(63.2% 0.214 290.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF3C50, closest first.

Similar named colors

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

Use #EF3C50 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.