#E54C11
Closest named color: Deep Orange (#DC4D01). oklch(62.4% 0.199 37.7), rgb(229, 76, 17).
Aa
Black text reads best on this color (5.37:1).
About this color
#E54C11 is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.199 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.018 away. Black text reads best on it, at 5.37:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #E54C11 |
| RGB | rgb(229, 76, 17) |
| HSL | hsl(17, 86%, 48%) |
| OKLCH | oklch(62.4% 0.199 37.7) |
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 #E54C11 | 3.90:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #E54C11 | 5.37:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #E54C11 text on white | 3.90:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #E54C11 text on black | 5.37:1 | AA | Lc -36.4 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FACEC0
oklch(88.6% 0.054 38.4)
-
Step 300
300
#F8AB93
oklch(81% 0.097 38)
-
Step 400
400
#F07955
oklch(70.6% 0.155 37.6)
-
Step 500
500 (this color)
#E54C11
oklch(62.4% 0.199 37.7)
-
Step 600
600
#C73D00
oklch(55.7% 0.183 37.8)
-
Step 700
700
#A83200
oklch(49.1% 0.162 37.8)
-
Step 800
800
#8B2800
oklch(42.8% 0.14 37.9)
-
Step 900
900
#752000
oklch(37.7% 0.124 37.7)
-
Step 950
950
#461303
oklch(27% 0.082 38)
#E54C11 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) | #7A6B00 | 0.202 |
| Deuteranopia (no green cones) | #9F8D00 | 0.182 |
| Tritanopia (no blue cones) | #FC1343 | 0.083 |
| Achromatopsia (no color) | #818181 | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E54C11
#E54C11
oklch(62.4% 0.199 37.7)
- #0097B4
#0097B4
oklch(62.4% 0.112 217.8)
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 #E54C11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.018
- Tomato Red #EC2D01 ΔE 0.039
- Vermillion #F4320C ΔE 0.039
- Orangey Red #FA4224 ΔE 0.042
- Red Orange #FD3C06 ΔE 0.046
- Orangered #FE420F ΔE 0.047
- Blood Orange #FE4B03 ΔE 0.047
- Pale Red #D9544D ΔE 0.048
Use #E54C11 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.