#E04357
Closest named color: Imperial Red (#E63946). oklch(61.4% 0.193 17.9), rgb(224, 67, 87).
Aa
Black text reads best on this color (5.10:1).
About this color
#E04357 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.193 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.022 away. Black text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.10:1 |
| White text | 4.10:1 |
Values
| HEX | #E04357 |
| RGB | rgb(224, 67, 87) |
| HSL | hsl(352, 72%, 57%) |
| OKLCH | oklch(61.4% 0.193 17.9) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #E04357 | 4.10:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #E04357 | 5.10:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #E04357 text on white | 4.10:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #E04357 text on black | 5.10:1 | AA | Lc -34.6 | 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.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FACCCC
oklch(88.5% 0.052 18.2)
-
Step 300
300
#F8A8AA
oklch(81% 0.095 17.7)
-
Step 400
400
#EF757D
oklch(70.6% 0.15 17.7)
-
Step 500
500 (this color)
#E04357
oklch(61.4% 0.193 17.9)
-
Step 600
600
#D11C42
oklch(55.5% 0.209 17.8)
-
Step 700
700
#B50534
oklch(49.2% 0.195 17.9)
-
Step 800
800
#93102B
oklch(42.7% 0.161 18.2)
-
Step 900
900
#761A27
oklch(37.7% 0.125 18.1)
-
Step 950
950
#461117
oklch(27% 0.081 18)
#E04357 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #6D6857 | 0.211 |
| Deuteranopia (no green cones) | #958953 | 0.194 |
| Tritanopia (no blue cones) | #F5164B | 0.049 |
| Achromatopsia (no color) | #7D7D7D | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E04357
#E04357
oklch(61.4% 0.193 17.9)
- #00979B
#00979B
oklch(61.4% 0.104 198.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E04357, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.022
- Faded Red #D3494E ΔE 0.028
- Pale Red #D9544D ΔE 0.036
- Pastel Red #DB5856 ΔE 0.037
- Dark Coral #CF524E ΔE 0.041
- Red Pantone #EF233C ΔE 0.042
- Paradise Pink #EF476F ΔE 0.043
- Indian Red #CD5C5C ΔE 0.050
Use #E04357 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.