#EF3859

Closest named color: Red Pink (#FA2A55). oklch(63% 0.217 16.6), rgb(239, 56, 89).

Aa

Black text reads best on this color (5.38:1).

About this color

#EF3859 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.217 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pink (#FA2A55), ΔE 0.021 away. Black text reads best on it, at 5.38:1.

Hue familyReds
Lightnessmedium-light (63%)
Chromavivid (0.217)
Temperaturewarm
Nearest nameRed Pink (#FA2A55)
Black text5.38:1
White text3.90:1

Values

HEX#EF3859
RGBrgb(239, 56, 89)
HSLhsl(349, 85%, 58%)
OKLCHoklch(63% 0.217 16.6)

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 #EF3859 3.90:1 AA large text Lc -70.4 Content text, not long reading
Black text on #EF3859 5.38:1 AA Lc 39.2 Non-text elements, placeholder text
#EF3859 text on white 3.90:1 AA large text Lc 64.9 Content text, not long reading
#EF3859 text on black 5.38:1 AA Lc -36.8 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

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FEE2E3

    oklch(93.6% 0.031 15.3)

  3. Step 200

    200

    #FECACB

    oklch(88.5% 0.059 17)

  4. Step 300

    300

    #FDA4A9

    oklch(80.8% 0.106 16)

  5. Step 400

    400

    #F86D7B

    oklch(70.7% 0.17 16.4)

  6. Step 500

    500 (this color)

    #EF3859

    oklch(63% 0.217 16.6)

  7. Step 600

    600

    #D60042

    oklch(55.6% 0.222 16.7)

  8. Step 700

    700

    #B50037

    oklch(49.1% 0.196 16.5)

  9. Step 800

    800

    #96002C

    oklch(42.7% 0.171 16.5)

  10. Step 900

    900

    #7B0D26

    oklch(37.7% 0.141 16.4)

  11. Step 950

    950

    #490C16

    oklch(27% 0.09 16.9)

Export this scale for Tailwind in the Tailwind colors tool

#EF3859 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)#6D68590.240
Deuteranopia (no green cones)#9B8F540.220
Tritanopia (no blue cones)#FF00460.039
Achromatopsia (no color)#8181810.218

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF3859

    #EF3859

    oklch(63% 0.217 16.6)

  • #009D9F

    #009D9F

    oklch(63.1% 0.107 196.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF3859

    #EF3859

    oklch(63% 0.217 16.6)

  • #DE3FA3

    #DE3FA3

    oklch(63% 0.217 346.5)

  • #DA5E00

    #DA5E00

    oklch(62.9% 0.175 46.5)

Open the analogous palette in the generator

Split complementary

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

  • #EF3859

    #EF3859

    oklch(63% 0.217 16.6)

  • #00A178

    #00A178

    oklch(62.9% 0.129 166.9)

  • #0097C1

    #0097C1

    oklch(63% 0.121 226.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF3859

    #EF3859

    oklch(63% 0.217 16.6)

  • #4AA100

    #4AA100

    oklch(63% 0.19 136.6)

  • #2185FF

    #2185FF

    oklch(62.9% 0.202 256.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF3859

    #EF3859

    oklch(63% 0.217 16.6)

  • #948D00

    #948D00

    oklch(62.9% 0.134 106.1)

  • #009D9F

    #009D9F

    oklch(63.1% 0.107 196.4)

  • #856CFF

    #856CFF

    oklch(63.1% 0.209 286.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF3859, closest first.

Similar named colors

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

Use #EF3859 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.