#E53E43
Closest named color: Imperial Red (#E63946). oklch(61.4% 0.203 24.1), rgb(229, 62, 67).
Aa
Black text reads best on this color (5.10:1).
About this color
#E53E43 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.203 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.008 away. Black text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.203) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #E53E43 |
| RGB | rgb(229, 62, 67) |
| HSL | hsl(358, 76%, 57%) |
| OKLCH | oklch(61.4% 0.203 24.1) |
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 #E53E43 | 4.11:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #E53E43 | 5.10:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #E53E43 text on white | 4.11:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #E53E43 text on black | 5.10:1 | AA | Lc -34.8 | 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.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCCC7
oklch(88.6% 0.055 25.2)
-
Step 300
300
#FAA7A1
oklch(80.8% 0.099 24)
-
Step 400
400
#F4736E
oklch(70.7% 0.16 24.2)
-
Step 500
500 (this color)
#E53E43
oklch(61.4% 0.203 24.1)
-
Step 600
600
#D60B29
oklch(55.5% 0.221 24.1)
-
Step 700
700
#B70020
oklch(49.1% 0.199 24)
-
Step 800
800
#96041A
oklch(42.6% 0.17 23.9)
-
Step 900
900
#79161B
oklch(37.8% 0.133 24.1)
-
Step 950
950
#471011
oklch(27% 0.084 23.8)
#E53E43 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) | #6F6642 | 0.220 |
| Deuteranopia (no green cones) | #998A3D | 0.201 |
| Tritanopia (no blue cones) | #FC0042 | 0.052 |
| Achromatopsia (no color) | #7D7D7D | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E53E43
#E53E43
oklch(61.4% 0.203 24.1)
- #0096A1
#0096A1
oklch(61.4% 0.105 204)
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 #E53E43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.008
- Red Pantone #EF233C ΔE 0.029
- Faded Red #D3494E ΔE 0.035
- Pale Red #D9544D ΔE 0.036
- Tomato Red #EC2D01 ΔE 0.040
- Pastel Red #DB5856 ΔE 0.041
- Strawberry #FB2943 ΔE 0.042
- Vermillion #F4320C ΔE 0.043
Use #E53E43 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.