#EF3A46

Closest named color: Imperial Red (#E63946). oklch(62.8% 0.216 22.9), rgb(239, 58, 70).

Aa

Black text reads best on this color (5.36:1).

About this color

#EF3A46 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.216 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.018 away. Black text reads best on it, at 5.36:1.

Hue familyReds
Lightnessmedium-light (63%)
Chromavivid (0.216)
Temperaturewarm
Nearest nameImperial Red (#E63946)
Black text5.36:1
White text3.91:1

Values

HEX#EF3A46
RGBrgb(239, 58, 70)
HSLhsl(356, 85%, 58%)
OKLCHoklch(62.8% 0.216 22.9)

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 #EF3A46 3.91:1 AA large text Lc -70.5 Content text, not long reading
Black text on #EF3A46 5.36:1 AA Lc 39.1 Non-text elements, placeholder text
#EF3A46 text on white 3.91:1 AA large text Lc 65.0 Content text, not long reading
#EF3A46 text on black 5.36:1 AA Lc -36.7 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

    #FEE2E0

    oklch(93.5% 0.031 22.6)

  3. Step 200

    200

    #FECBC7

    oklch(88.6% 0.058 23.5)

  4. Step 300

    300

    #FEA5A1

    oklch(80.9% 0.106 22.5)

  5. Step 400

    400

    #F86F6E

    oklch(70.7% 0.169 22.8)

  6. Step 500

    500 (this color)

    #EF3A46

    oklch(62.8% 0.216 22.9)

  7. Step 600

    600

    #D8002D

    oklch(55.7% 0.225 22.8)

  8. Step 700

    700

    #B70024

    oklch(49.2% 0.198 23)

  9. Step 800

    800

    #97001C

    oklch(42.7% 0.172 22.9)

  10. Step 900

    900

    #7B0F1A

    oklch(37.6% 0.14 23.1)

  11. Step 950

    950

    #490D10

    oklch(27% 0.09 23.1)

Export this scale for Tailwind in the Tailwind colors tool

#EF3A46 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)#7068450.236
Deuteranopia (no green cones)#9D8F400.217
Tritanopia (no blue cones)#FF00400.039
Achromatopsia (no color)#8181810.217

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF3A46

    #EF3A46

    oklch(62.8% 0.216 22.9)

  • #009BA5

    #009BA5

    oklch(62.8% 0.107 202.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF3A46

    #EF3A46

    oklch(62.8% 0.216 22.9)

  • #E23C94

    #E23C94

    oklch(62.8% 0.215 352.8)

  • #D06700

    #D06700

    oklch(62.7% 0.159 52.9)

Open the analogous palette in the generator

Split complementary

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

  • #EF3A46

    #EF3A46

    oklch(62.8% 0.216 22.9)

  • #00A081

    #00A081

    oklch(62.9% 0.121 172.5)

  • #0094CA

    #0094CA

    oklch(62.7% 0.13 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF3A46

    #EF3A46

    oklch(62.8% 0.216 22.9)

  • #00A60D

    #00A60D

    oklch(62.9% 0.211 142.9)

  • #4480FF

    #4480FF

    oklch(62.8% 0.199 262.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF3A46

    #EF3A46

    oklch(62.8% 0.216 22.9)

  • #8A9100

    #8A9100

    oklch(63% 0.141 113.2)

  • #009BA5

    #009BA5

    oklch(62.8% 0.107 202.9)

  • #9264FC

    #9264FC

    oklch(62.8% 0.216 293.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF3A46, closest first.

Similar named colors

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

Use #EF3A46 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.