#E53840
Closest named color: Imperial Red (#E63946). oklch(60.9% 0.209 23.8), rgb(229, 56, 64).
Aa
Black text reads best on this color (4.97:1).
About this color
#E53840 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.209 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.007 away. Black text reads best on it, at 4.97:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #E53840 |
| RGB | rgb(229, 56, 64) |
| HSL | hsl(357, 77%, 56%) |
| OKLCH | oklch(60.9% 0.209 23.8) |
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 #E53840 | 4.22:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #E53840 | 4.97:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #E53840 text on white | 4.22:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #E53840 text on black | 4.97:1 | AA | Lc -34.0 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FDCBC7
oklch(88.5% 0.057 23.6)
-
Step 300
300
#FCA6A1
oklch(80.8% 0.103 23.2)
-
Step 400
400
#F5716E
oklch(70.6% 0.163 23.5)
-
Step 500
500 (this color)
#E53840
oklch(60.9% 0.209 23.8)
-
Step 600
600
#D80029
oklch(55.6% 0.225 23.7)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#970019
oklch(42.6% 0.172 23.9)
-
Step 900
900
#7A131A
oklch(37.7% 0.136 23.9)
-
Step 950
950
#480F10
oklch(27% 0.086 24.2)
#E53840 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) | #6C633F | 0.227 |
| Deuteranopia (no green cones) | #97893A | 0.208 |
| Tritanopia (no blue cones) | #FC003D | 0.048 |
| Achromatopsia (no color) | #7B7B7B | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E53840
#E53840
oklch(60.9% 0.209 23.8)
- #00949F
#00949F
oklch(60.8% 0.104 204.1)
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 #E53840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.007
- Red Pantone #EF233C ΔE 0.023
- Faded Red #D3494E ΔE 0.037
- Tomato Red #EC2D01 ΔE 0.038
- Cherry Red #F7022A ΔE 0.041
- Strawberry #FB2943 ΔE 0.042
- Pale Red #D9544D ΔE 0.042
- Crimson #DC143C ΔE 0.042
Use #E53840 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.