#E43E22
Closest named color: Tomato Red (#EC2D01). oklch(60.9% 0.207 32.1), rgb(228, 62, 34).
Aa
Black text reads best on this color (5.01:1).
About this color
#E43E22 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.207 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.021 away. Black text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 5.01:1 |
| White text | 4.19:1 |
Values
| HEX | #E43E22 |
| RGB | rgb(228, 62, 34) |
| HSL | hsl(9, 78%, 51%) |
| OKLCH | oklch(60.9% 0.207 32.1) |
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 #E43E22 | 4.19:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #E43E22 | 5.01:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #E43E22 text on white | 4.19:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #E43E22 text on black | 5.01:1 | AA | Lc -34.2 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FCCCC2
oklch(88.4% 0.056 31.8)
-
Step 300
300
#FBA897
oklch(80.8% 0.102 32.1)
-
Step 400
400
#F4755D
oklch(70.7% 0.161 32.3)
-
Step 500
500 (this color)
#E43E22
oklch(60.9% 0.207 32.1)
-
Step 600
600
#D22500
oklch(55.6% 0.21 32.2)
-
Step 700
700
#B21D00
oklch(49.1% 0.186 32)
-
Step 800
800
#931600
oklch(42.7% 0.162 32)
-
Step 900
900
#791706
oklch(37.6% 0.135 32.2)
-
Step 950
950
#471108
oklch(27% 0.084 32.1)
#E43E22 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) | #71641C | 0.218 |
| Deuteranopia (no green cones) | #9A8917 | 0.198 |
| Tritanopia (no blue cones) | #FB003A | 0.062 |
| Achromatopsia (no color) | #7C7C7C | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E43E22
#E43E22
oklch(60.9% 0.207 32.1)
- #0093A8
#0093A8
oklch(60.9% 0.106 212.3)
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 #E43E22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.021
- Vermillion #F4320C ΔE 0.030
- Deep Orange #DC4D01 ΔE 0.032
- Imperial Red #E63946 ΔE 0.036
- Red Pantone #EF233C ΔE 0.044
- Pale Red #D9544D ΔE 0.044
- Orangey Red #FA4224 ΔE 0.045
- Faded Red #D3494E ΔE 0.048
Use #E43E22 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.