#E13508
Closest named color: Tomato Red (#EC2D01). oklch(59.5% 0.213 33.5), rgb(225, 53, 8).
Aa
Black text reads best on this color (4.71:1).
About this color
#E13508 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.213 and its hue 34°. 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 4.71:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.213) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #E13508 |
| RGB | rgb(225, 53, 8) |
| HSL | hsl(12, 93%, 46%) |
| OKLCH | oklch(59.5% 0.213 33.5) |
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 #E13508 | 4.45:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #E13508 | 4.71:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #E13508 text on white | 4.45:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #E13508 text on black | 4.71:1 | AA | Lc -32.4 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FDCCC1
oklch(88.5% 0.058 32.8)
-
Step 300
300
#FCA895
oklch(80.9% 0.104 33.3)
-
Step 400
400
#F67357
oklch(70.6% 0.167 33.5)
-
Step 500
500 (this color)
#E13508
oklch(59.5% 0.213 33.5)
-
Step 600
600
#CF2D00
oklch(55.6% 0.202 33.6)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#911C00
oklch(42.7% 0.156 33.4)
-
Step 900
900
#7A1600
oklch(37.7% 0.137 33.5)
-
Step 950
950
#481005
oklch(27% 0.087 33.6)
#E13508 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) | #6D5F00 | 0.224 |
| Deuteranopia (no green cones) | #968500 | 0.201 |
| Tritanopia (no blue cones) | #F8002F | 0.057 |
| Achromatopsia (no color) | #777777 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E13508
#E13508
oklch(59.5% 0.213 33.5)
- #008EA4
#008EA4
oklch(59.4% 0.104 213.6)
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 #E13508, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.021
- Deep Orange #DC4D01 ΔE 0.036
- Vermillion #F4320C ΔE 0.037
- Imperial Red #E63946 ΔE 0.045
- Red Pantone #EF233C ΔE 0.049
- Cherry Red #F7022A ΔE 0.054
- Faded Red #D3494E ΔE 0.055
- Pale Red #D9544D ΔE 0.056
Use #E13508 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.