#F0404E

Closest named color: Imperial Red (#E63946). oklch(63.6% 0.211 21.6), rgb(240, 64, 78).

Aa

Black text reads best on this color (5.54:1).

About this color

#F0404E is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.211 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.024 away. Black text reads best on it, at 5.54:1.

Hue familyReds
Lightnessmedium-light (64%)
Chromavivid (0.211)
Temperaturewarm
Nearest nameImperial Red (#E63946)
Black text5.54:1
White text3.78:1

Values

HEX#F0404E
RGBrgb(240, 64, 78)
HSLhsl(355, 85%, 60%)
OKLCHoklch(63.6% 0.211 21.6)

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 #F0404E 3.78:1 AA large text Lc -69.5 Content text, not long reading
Black text on #F0404E 5.54:1 AA Lc 40.1 Non-text elements, placeholder text
#F0404E text on white 3.78:1 AA large text Lc 64.0 Content text, not long reading
#F0404E text on black 5.54:1 AA Lc -37.7 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

    #FEE3E1

    oklch(93.7% 0.03 22.8)

  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

    #F67072

    oklch(70.7% 0.165 21.3)

  6. Step 500

    500 (this color)

    #F0404E

    oklch(63.6% 0.211 21.6)

  7. Step 600

    600

    #D70032

    oklch(55.5% 0.224 21.5)

  8. Step 700

    700

    #B60029

    oklch(49% 0.197 21.4)

  9. Step 800

    800

    #970020

    oklch(42.7% 0.172 21.5)

  10. Step 900

    900

    #7A111E

    oklch(37.6% 0.138 21.4)

  11. Step 950

    950

    #480E12

    oklch(27% 0.087 21.7)

Export this scale for Tailwind in the Tailwind colors tool

#F0404E 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)#736B4D0.231
Deuteranopia (no green cones)#9F91490.212
Tritanopia (no blue cones)#FF00470.044
Achromatopsia (no color)#8383830.213

Harmonies

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

Complementary

The opposite hue (180°).

  • #F0404E

    #F0404E

    oklch(63.6% 0.211 21.6)

  • #009EA7

    #009EA7

    oklch(63.7% 0.108 202)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #F0404E

    #F0404E

    oklch(63.6% 0.211 21.6)

  • #E34299

    #E34299

    oklch(63.6% 0.212 351.7)

  • #D66700

    #D66700

    oklch(63.6% 0.165 51.4)

Open the analogous palette in the generator

Split complementary

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

  • #F0404E

    #F0404E

    oklch(63.6% 0.211 21.6)

  • #00A382

    #00A382

    oklch(63.7% 0.124 171.6)

  • #0097CB

    #0097CB

    oklch(63.5% 0.129 231.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #F0404E

    #F0404E

    oklch(63.6% 0.211 21.6)

  • #1EA802

    #1EA802

    oklch(63.7% 0.211 141.6)

  • #4384FF

    #4384FF

    oklch(63.6% 0.195 261.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #F0404E

    #F0404E

    oklch(63.6% 0.211 21.6)

  • #8F9200

    #8F9200

    oklch(63.6% 0.14 111.2)

  • #009EA7

    #009EA7

    oklch(63.7% 0.108 202)

  • #9169FE

    #9169FE

    oklch(63.6% 0.212 291.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #F0404E, closest first.

Similar named colors

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

Use #F0404E 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.