#E0391A
Closest named color: Tomato Red (#EC2D01). oklch(59.7% 0.208 32.5), rgb(224, 57, 26).
Aa
Black text reads best on this color (4.76:1).
About this color
#E0391A 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 4.76:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #E0391A |
| RGB | rgb(224, 57, 26) |
| HSL | hsl(9, 79%, 49%) |
| OKLCH | oklch(59.7% 0.208 32.5) |
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 #E0391A | 4.40:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #E0391A | 4.76:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #E0391A text on white | 4.40:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #E0391A text on black | 4.76:1 | AA | Lc -32.7 | 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
#F5755C
oklch(70.8% 0.163 32.6)
-
Step 500
500 (this color)
#E0391A
oklch(59.7% 0.208 32.5)
-
Step 600
600
#D12700
oklch(55.6% 0.208 32.5)
-
Step 700
700
#B11F00
oklch(49.1% 0.184 32.4)
-
Step 800
800
#921800
oklch(42.6% 0.159 32.5)
-
Step 900
900
#791705
oklch(37.6% 0.135 32.4)
-
Step 950
950
#481007
oklch(27% 0.087 32)
#E0391A 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) | #6E6112 | 0.219 |
| Deuteranopia (no green cones) | #96860A | 0.200 |
| Tritanopia (no blue cones) | #F70034 | 0.059 |
| Achromatopsia (no color) | #787878 | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E0391A
#E0391A
oklch(59.7% 0.208 32.5)
- #008FA4
#008FA4
oklch(59.7% 0.104 212.7)
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 #E0391A, 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 0.034
- Vermillion #F4320C ΔE 0.038
- Imperial Red #E63946 ΔE 0.040
- Red Pantone #EF233C ΔE 0.047
- Faded Red #D3494E ΔE 0.048
- Pale Red #D9544D ΔE 0.050
- Cherry Red #F7022A ΔE 0.054
Use #E0391A 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.