#EF434E

Closest named color: Imperial Red (#E63946). oklch(63.7% 0.208 22.1), rgb(239, 67, 78).

Aa

Black text reads best on this color (5.58:1).

About this color

#EF434E is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.208 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.025 away. Black text reads best on it, at 5.58:1.

Hue familyReds
Lightnessmedium-light (64%)
Chromavivid (0.208)
Temperaturewarm
Nearest nameImperial Red (#E63946)
Black text5.58:1
White text3.76:1

Values

HEX#EF434E
RGBrgb(239, 67, 78)
HSLhsl(356, 84%, 60%)
OKLCHoklch(63.7% 0.208 22.1)

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 #EF434E 3.76:1 AA large text Lc -69.3 Content text, not long reading
Black text on #EF434E 5.58:1 AA Lc 40.3 Non-text elements, placeholder text
#EF434E text on white 3.76:1 AA large text Lc 63.8 Content text, not long reading
#EF434E text on black 5.58:1 AA Lc -37.9 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FDCBC8

    oklch(88.5% 0.057 22.3)

  4. Step 300

    300

    #FCA6A3

    oklch(80.9% 0.102 21.8)

  5. Step 400

    400

    #F57171

    oklch(70.6% 0.163 22.1)

  6. Step 500

    500 (this color)

    #EF434E

    oklch(63.7% 0.208 22.1)

  7. Step 600

    600

    #D70030

    oklch(55.5% 0.224 22)

  8. Step 700

    700

    #B60027

    oklch(49% 0.197 22)

  9. Step 800

    800

    #97001E

    oklch(42.7% 0.172 22.2)

  10. Step 900

    900

    #7A131E

    oklch(37.8% 0.136 21.9)

  11. Step 950

    950

    #480F12

    oklch(27.1% 0.086 22.3)

Export this scale for Tailwind in the Tailwind colors tool

#EF434E 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)#746C4D0.226
Deuteranopia (no green cones)#9F91490.208
Tritanopia (no blue cones)#FF00490.048
Achromatopsia (no color)#8484840.209

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF434E

    #EF434E

    oklch(63.7% 0.208 22.1)

  • #009EA7

    #009EA7

    oklch(63.7% 0.108 202)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF434E

    #EF434E

    oklch(63.7% 0.208 22.1)

  • #E24598

    #E24598

    oklch(63.7% 0.207 352.1)

  • #D66800

    #D66800

    oklch(63.8% 0.164 51.8)

Open the analogous palette in the generator

Split complementary

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

  • #EF434E

    #EF434E

    oklch(63.7% 0.208 22.1)

  • #00A383

    #00A383

    oklch(63.7% 0.123 172.2)

  • #0098CC

    #0098CC

    oklch(63.8% 0.13 231.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF434E

    #EF434E

    oklch(63.7% 0.208 22.1)

  • #1EA813

    #1EA813

    oklch(63.7% 0.208 142.1)

  • #4584FF

    #4584FF

    oklch(63.7% 0.195 262)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF434E

    #EF434E

    oklch(63.7% 0.208 22.1)

  • #8E9300

    #8E9300

    oklch(63.8% 0.141 112.2)

  • #009EA7

    #009EA7

    oklch(63.7% 0.108 202)

  • #926AFC

    #926AFC

    oklch(63.7% 0.208 292.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF434E, closest first.

Similar named colors

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

Use #EF434E 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.