#E0381B
Closest named color: Tomato Red (#EC2D01). oklch(59.7% 0.208 32.1), rgb(224, 56, 27).
Aa
Black text reads best on this color (4.75:1).
About this color
#E0381B is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.208 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.023 away. Black text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.75:1 |
| White text | 4.42:1 |
Values
| HEX | #E0381B |
| RGB | rgb(224, 56, 27) |
| HSL | hsl(9, 78%, 49%) |
| OKLCH | oklch(59.7% 0.208 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 #E0381B | 4.42:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #E0381B | 4.75:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #E0381B text on white | 4.42:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #E0381B text on black | 4.75:1 | AA | Lc -32.6 | 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
#F5745C
oklch(70.7% 0.164 32.2)
-
Step 500
500 (this color)
#E0381B
oklch(59.7% 0.208 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
#931700
oklch(42.7% 0.161 32.2)
-
Step 900
900
#7A1705
oklch(37.8% 0.136 32.4)
-
Step 950
950
#481007
oklch(27% 0.087 32)
#E0381B 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) | #6D6013 | 0.221 |
| Deuteranopia (no green cones) | #96850B | 0.199 |
| Tritanopia (no blue cones) | #F70034 | 0.058 |
| Achromatopsia (no color) | #787878 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E0381B
#E0381B
oklch(59.7% 0.208 32.1)
- #008FA3
#008FA3
oklch(59.7% 0.104 211.9)
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 #E0381B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.023
- Deep Orange #DC4D01 ΔE 0.036
- Vermillion #F4320C ΔE 0.038
- Imperial Red #E63946 ΔE 0.039
- Red Pantone #EF233C ΔE 0.046
- Faded Red #D3494E ΔE 0.048
- Pale Red #D9544D ΔE 0.050
- Cherry Red #F7022A ΔE 0.053
Use #E0381B 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.