#E55D2B
Closest named color: Deep Orange (#DC4D01). oklch(64.6% 0.18 39.1), rgb(229, 93, 43).
Aa
Black text reads best on this color (5.93:1).
About this color
#E55D2B is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.180 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.038 away. Black text reads best on it, at 5.93:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #E55D2B |
| RGB | rgb(229, 93, 43) |
| HSL | hsl(16, 78%, 53%) |
| OKLCH | oklch(64.6% 0.18 39.1) |
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 #E55D2B | 3.53:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #E55D2B | 5.93:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #E55D2B text on white | 3.53:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #E55D2B text on black | 5.93:1 | AA | Lc -39.6 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F7CFC2
oklch(88.5% 0.049 38.8)
-
Step 300
300
#F3AD96
oklch(80.8% 0.089 39)
-
Step 400
400
#E97F5B
oklch(70.7% 0.14 39.3)
-
Step 500
500 (this color)
#E55D2B
oklch(64.6% 0.18 39.1)
-
Step 600
600
#C44000
oklch(55.5% 0.178 39)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#892A00
oklch(42.6% 0.137 39)
-
Step 900
900
#722403
oklch(37.7% 0.117 39.4)
-
Step 950
950
#431606
oklch(26.9% 0.074 39.3)
#E55D2B 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) | #847523 | 0.178 |
| Deuteranopia (no green cones) | #A59425 | 0.163 |
| Tritanopia (no blue cones) | #FC3B53 | 0.082 |
| Achromatopsia (no color) | #888888 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E55D2B
#E55D2B
oklch(64.6% 0.18 39.1)
- #009EBE
#009EBE
oklch(64.6% 0.117 219)
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 #E55D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.038
- Orange Pant #FB5607 ΔE 0.040
- Burnt Sienna #E76F51 ΔE 0.042
- Chocolate #D2691E ΔE 0.043
- Blood Orange #FE4B03 ΔE 0.048
- Pale Red #D9544D ΔE 0.049
- Terracota #CB6843 ΔE 0.049
- Bright Orange #FF5B00 ΔE 0.049
Use #E55D2B 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.