#EF3E44

Closest named color: Imperial Red (#E63946). oklch(63.1% 0.213 24.2), rgb(239, 62, 68).

Aa

Black text reads best on this color (5.44:1).

About this color

#EF3E44 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.213 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.021 away. Black text reads best on it, at 5.44:1.

Hue familyReds
Lightnessmedium-light (63%)
Chromavivid (0.213)
Temperaturewarm
Nearest nameImperial Red (#E63946)
Black text5.44:1
White text3.85:1

Values

HEX#EF3E44
RGBrgb(239, 62, 68)
HSLhsl(358, 85%, 59%)
OKLCHoklch(63.1% 0.213 24.2)

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 #EF3E44 3.85:1 AA large text Lc -70.1 Content text, not long reading
Black text on #EF3E44 5.44:1 AA Lc 39.5 Non-text elements, placeholder text
#EF3E44 text on white 3.85:1 AA large text Lc 64.6 Content text, not long reading
#EF3E44 text on black 5.44:1 AA Lc -37.1 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE3E0

    oklch(93.7% 0.03 25.3)

  3. Step 200

    200

    #FDCBC7

    oklch(88.5% 0.057 23.6)

  4. Step 300

    300

    #FDA6A0

    oklch(80.9% 0.104 23.9)

  5. Step 400

    400

    #F7706C

    oklch(70.7% 0.167 24)

  6. Step 500

    500 (this color)

    #EF3E44

    oklch(63.1% 0.213 24.2)

  7. Step 600

    600

    #D80027

    oklch(55.6% 0.225 24.2)

  8. Step 700

    700

    #B7001F

    oklch(49.1% 0.199 24.3)

  9. Step 800

    800

    #970018

    oklch(42.6% 0.173 24.2)

  10. Step 900

    900

    #7B1119

    oklch(37.7% 0.139 24)

  11. Step 950

    950

    #480E0F

    oklch(26.9% 0.087 24.4)

Export this scale for Tailwind in the Tailwind colors tool

#EF3E44 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)#7369420.230
Deuteranopia (no green cones)#9F903E0.212
Tritanopia (no blue cones)#FF00420.044
Achromatopsia (no color)#8282820.214

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF3E44

    #EF3E44

    oklch(63.1% 0.213 24.2)

  • #009CA8

    #009CA8

    oklch(63.2% 0.108 204.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF3E44

    #EF3E44

    oklch(63.1% 0.213 24.2)

  • #E33E92

    #E33E92

    oklch(63% 0.213 354)

  • #D06A00

    #D06A00

    oklch(63.2% 0.158 54.4)

Open the analogous palette in the generator

Split complementary

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

  • #EF3E44

    #EF3E44

    oklch(63.1% 0.213 24.2)

  • #00A184

    #00A184

    oklch(63.2% 0.121 173.8)

  • #0095CD

    #0095CD

    oklch(63.1% 0.132 234.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF3E44

    #EF3E44

    oklch(63.1% 0.213 24.2)

  • #00A724

    #00A724

    oklch(63.2% 0.204 144.2)

  • #4A80FF

    #4A80FF

    oklch(63.1% 0.198 264.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF3E44

    #EF3E44

    oklch(63.1% 0.213 24.2)

  • #899200

    #899200

    oklch(63.1% 0.142 114.1)

  • #009CA8

    #009CA8

    oklch(63.2% 0.108 204.4)

  • #9565FB

    #9565FB

    oklch(63.2% 0.214 294.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF3E44, closest first.

Similar named colors

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

Use #EF3E44 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.