#E28637
Closest named color: Dull Orange (#D8863B). oklch(70.5% 0.145 57.4), rgb(226, 134, 55).
Aa
Black text reads best on this color (7.69:1).
About this color
#E28637 is a medium-light, vivid orange. In OKLCH its lightness is 71%, its chroma 0.145 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Orange (#D8863B), ΔE 0.017 away. Black text reads best on it, at 7.69:1.
| Hue family | Oranges |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Dull Orange (#D8863B) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #E28637 |
| RGB | rgb(226, 134, 55) |
| HSL | hsl(28, 75%, 55%) |
| OKLCH | oklch(70.5% 0.145 57.4) |
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 #E28637 | 2.72:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #E28637 | 7.69:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #E28637 text on white | 2.72:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #E28637 text on black | 7.69:1 | AAA | Lc -49.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#FCF4EE
oklch(97.2% 0.012 59.6)
-
Step 100
100
#F8E6D9
oklch(93.6% 0.026 58.3)
-
Step 200
200
#F4D2B9
oklch(88.6% 0.051 58.4)
-
Step 300
300
#EEB287
oklch(80.9% 0.09 56.7)
-
Step 400
400 (this color)
#E28637
oklch(70.5% 0.145 57.4)
-
Step 500
500
#CC6D00
oklch(63.1% 0.152 57.3)
-
Step 600
600
#AC5B00
oklch(55.6% 0.134 57.3)
-
Step 700
700
#914C00
oklch(49.1% 0.118 57.5)
-
Step 800
800
#783E00
oklch(42.9% 0.103 57.6)
-
Step 900
900
#643300
oklch(37.7% 0.09 58)
-
Step 950
950
#3D1D00
oklch(27% 0.064 58.4)
#E28637 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) | #A2902D | 0.110 |
| Deuteranopia (no green cones) | #B7A537 | 0.101 |
| Tritanopia (no blue cones) | #F77276 | 0.100 |
| Achromatopsia (no color) | #9D9D9D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E28637
#E28637
oklch(70.5% 0.145 57.4)
- #27ABEE
#27ABEE
oklch(70.4% 0.145 237.5)
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 #E28637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Orange #D8863B ΔE 0.017
- Dusty Orange #F0833A ΔE 0.025
- Pumpkin #E17701 ΔE 0.035
- Peru #CD853F ΔE 0.037
- Orange Wheel #F77F00 ΔE 0.038
- Faded Orange #F0944D ΔE 0.044
- Pumpkin Orange #FB7D07 ΔE 0.045
- Dark Peach #DE7E5D ΔE 0.047
Use #E28637 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.