#E52200
Closest named color: Tomato Red (#EC2D01). oklch(58.9% 0.228 31.3), rgb(229, 34, 0).
Aa
White text reads best on this color (4.60:1).
About this color
#E52200 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.228 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.020 away. White text reads best on it, at 4.60:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.228) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.56:1 |
| White text | 4.60:1 |
Values
| HEX | #E52200 |
| RGB | rgb(229, 34, 0) |
| HSL | hsl(9, 100%, 45%) |
| OKLCH | oklch(58.9% 0.228 31.3) |
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 #E52200 | 4.60:1 | AA | Lc -75.3 | Fine for body text |
| Black text on #E52200 | 4.56:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #E52200 text on white | 4.60:1 | AA | Lc 69.8 | Content text, not long reading |
| #E52200 text on black | 4.56:1 | AA | Lc -31.9 | 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 600.
-
Step 50
50
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FDCCC2
oklch(88.5% 0.058 31.6)
-
Step 300
300
#FCA898
oklch(81% 0.103 31.3)
-
Step 400
400
#F5745E
oklch(70.7% 0.163 31.4)
-
Step 500
500
#ED442C
oklch(63.1% 0.209 31.3)
-
Step 600
600 (this color)
#E52200
oklch(58.9% 0.228 31.3)
-
Step 700
700
#B31800
oklch(49% 0.189 31.3)
-
Step 800
800
#941200
oklch(42.6% 0.165 31.3)
-
Step 900
900
#7A1607
oklch(37.8% 0.136 31.5)
-
Step 950
950
#481008
oklch(27% 0.087 31.3)
#E52200 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) | #675A00 | 0.245 |
| Deuteranopia (no green cones) | #958400 | 0.218 |
| Tritanopia (no blue cones) | #FD0020 | 0.049 |
| Achromatopsia (no color) | #757575 | 0.229 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E52200
#E52200
oklch(58.9% 0.228 31.3)
- #008DA0
#008DA0
oklch(59% 0.103 211.3)
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 #E52200, closest first.
No curated palette has a color within ΔE 0.04 of #E52200.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.020
- Vermillion #F4320C ΔE 0.037
- Red Pantone #EF233C ΔE 0.042
- Cherry Red #F7022A ΔE 0.042
- Imperial Red #E63946 ΔE 0.046
- Fire Engine Red #FE0002 ΔE 0.048
- Crimson #DC143C ΔE 0.048
- Red #FF0000 ΔE 0.050
Use #E52200 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.