#E04210
Closest named color: Deep Orange (#DC4D01). oklch(60.5% 0.202 35.6), rgb(224, 66, 16).
Aa
Black text reads best on this color (4.95:1).
About this color
#E04210 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.202 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.020 away. Black text reads best on it, at 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.202) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 4.95:1 |
| White text | 4.23:1 |
Values
| HEX | #E04210 |
| RGB | rgb(224, 66, 16) |
| HSL | hsl(14, 87%, 47%) |
| OKLCH | oklch(60.5% 0.202 35.6) |
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 #E04210 | 4.23:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #E04210 | 4.95:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #E04210 text on white | 4.23:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #E04210 text on black | 4.95:1 | AA | Lc -33.8 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FBCDC1
oklch(88.5% 0.055 35)
-
Step 300
300
#F9AA95
oklch(80.9% 0.098 35.5)
-
Step 400
400
#F27758
oklch(70.6% 0.158 35.3)
-
Step 500
500 (this color)
#E04210
oklch(60.5% 0.202 35.6)
-
Step 600
600
#CB3600
oklch(55.7% 0.192 35.6)
-
Step 700
700
#AB2C00
oklch(49% 0.169 35.7)
-
Step 800
800
#8E2300
oklch(42.8% 0.148 35.7)
-
Step 900
900
#771C00
oklch(37.7% 0.13 35.8)
-
Step 950
950
#471205
oklch(27.1% 0.084 35.3)
#E04210 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) | #726400 | 0.210 |
| Deuteranopia (no green cones) | #998800 | 0.189 |
| Tritanopia (no blue cones) | #F7003A | 0.072 |
| Achromatopsia (no color) | #7B7B7B | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E04210
#E04210
oklch(60.5% 0.202 35.6)
- #0091AA
#0091AA
oklch(60.5% 0.107 215.6)
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 #E04210, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.020
- Tomato Red #EC2D01 ΔE 0.029
- Vermillion #F4320C ΔE 0.039
- Pale Red #D9544D ΔE 0.047
- Imperial Red #E63946 ΔE 0.049
- Rusty Orange #CD5909 ΔE 0.050
- Orangey Red #FA4224 ΔE 0.052
- Faded Red #D3494E ΔE 0.053
Use #E04210 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.