#E54C28
Closest named color: Deep Orange (#DC4D01). oklch(62.5% 0.195 34.3), rgb(229, 76, 40).
Aa
Black text reads best on this color (5.39:1).
About this color
#E54C28 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.195 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.025 away. Black text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #E54C28 |
| RGB | rgb(229, 76, 40) |
| HSL | hsl(11, 78%, 53%) |
| OKLCH | oklch(62.5% 0.195 34.3) |
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 #E54C28 | 3.89:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #E54C28 | 5.39:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #E54C28 text on white | 3.89:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #E54C28 text on black | 5.39:1 | AA | Lc -36.5 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC2
oklch(88.4% 0.053 34)
-
Step 300
300
#F8AA97
oklch(80.9% 0.097 34.3)
-
Step 400
400
#F0795D
oklch(70.7% 0.153 34.4)
-
Step 500
500 (this color)
#E54C28
oklch(62.5% 0.195 34.3)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AE2800
oklch(49.2% 0.175 34.4)
-
Step 800
800
#901F00
oklch(42.8% 0.153 34.3)
-
Step 900
900
#761D06
oklch(37.6% 0.127 34.5)
-
Step 950
950
#461307
oklch(27% 0.081 34.7)
#E54C28 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) | #796C22 | 0.202 |
| Deuteranopia (no green cones) | #9F8E20 | 0.184 |
| Tritanopia (no blue cones) | #FC1845 | 0.074 |
| Achromatopsia (no color) | #818181 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E54C28
#E54C28
oklch(62.5% 0.195 34.3)
- #0098B0
#0098B0
oklch(62.5% 0.11 214.1)
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 #E54C28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.025
- Vermillion #F4320C ΔE 0.037
- Tomato Red #EC2D01 ΔE 0.037
- Pale Red #D9544D ΔE 0.038
- Orangey Red #FA4224 ΔE 0.039
- Pastel Red #DB5856 ΔE 0.045
- Red Orange #FD3C06 ΔE 0.045
- Orangered #FE420F ΔE 0.046
Use #E54C28 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.