#E53A28
Closest named color: Tomato Red (#EC2D01). oklch(60.8% 0.21 30.2), rgb(229, 58, 40).
Aa
Black text reads best on this color (4.96:1).
About this color
#E53A28 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.210 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.020 away. Black text reads best on it, at 4.96:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #E53A28 |
| RGB | rgb(229, 58, 40) |
| HSL | hsl(6, 78%, 53%) |
| OKLCH | oklch(60.8% 0.21 30.2) |
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 #E53A28 | 4.22:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #E53A28 | 4.96:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #E53A28 text on white | 4.22:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #E53A28 text on black | 4.96:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FDCCC3
oklch(88.5% 0.057 30.3)
-
Step 300
300
#FCA899
oklch(81% 0.102 30.6)
-
Step 400
400
#F67360
oklch(70.8% 0.165 30.1)
-
Step 500
500 (this color)
#E53A28
oklch(60.8% 0.21 30.2)
-
Step 600
600
#D71200
oklch(55.7% 0.222 30.1)
-
Step 700
700
#B60E00
oklch(49.2% 0.196 30.2)
-
Step 800
800
#960900
oklch(42.6% 0.17 30.1)
-
Step 900
900
#7A150B
oklch(37.7% 0.137 30.2)
-
Step 950
950
#481009
oklch(27.1% 0.086 30.5)
#E53A28 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) | #6F6324 | 0.224 |
| Deuteranopia (no green cones) | #99891E | 0.204 |
| Tritanopia (no blue cones) | #FC0038 | 0.055 |
| Achromatopsia (no color) | #7B7B7B | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E53A28
#E53A28
oklch(60.8% 0.21 30.2)
- #0093A5
#0093A5
oklch(60.8% 0.105 209.9)
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 #E53A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.020
- Imperial Red #E63946 ΔE 0.029
- Vermillion #F4320C ΔE 0.029
- Red Pantone #EF233C ΔE 0.036
- Deep Orange #DC4D01 ΔE 0.040
- Cherry Red #F7022A ΔE 0.045
- Pale Red #D9544D ΔE 0.045
- Orangey Red #FA4224 ΔE 0.045
Use #E53A28 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.