#E58503
Closest named color: Dull Orange (#D8863B). oklch(70.5% 0.161 62.3), rgb(229, 133, 3).
Aa
Black text reads best on this color (7.68:1).
About this color
#E58503 is a medium-light, vivid orange. In OKLCH its lightness is 71%, its chroma 0.161 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Orange (#D8863B), ΔE 0.030 away. Black text reads best on it, at 7.68:1.
| Hue family | Oranges |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Dull Orange (#D8863B) |
| Black text | 7.68:1 |
| White text | 2.73:1 |
Values
| HEX | #E58503 |
| RGB | rgb(229, 133, 3) |
| HSL | hsl(35, 97%, 45%) |
| OKLCH | oklch(70.5% 0.161 62.3) |
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 #E58503 | 2.73:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #E58503 | 7.68:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #E58503 text on white | 2.73:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #E58503 text on black | 7.68:1 | AAA | Lc -49.5 | 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
#FCF4EC
oklch(97.1% 0.014 67.7)
-
Step 100
100
#F9E6D7
oklch(93.6% 0.029 60.8)
-
Step 200
200
#F5D2B4
oklch(88.6% 0.056 62.6)
-
Step 300
300
#F0B27B
oklch(80.9% 0.101 62.2)
-
Step 400
400 (this color)
#E58503
oklch(70.5% 0.161 62.3)
-
Step 500
500
#C67200
oklch(63.2% 0.145 62.3)
-
Step 600
600
#A75F00
oklch(55.6% 0.128 62.1)
-
Step 700
700
#8D4F00
oklch(49.1% 0.113 61.8)
-
Step 800
800
#744000
oklch(42.6% 0.098 61.8)
-
Step 900
900
#613500
oklch(37.6% 0.086 62.3)
-
Step 950
950
#3B1E00
oklch(26.9% 0.062 62.2)
#E58503 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) | #A38F00 | 0.113 |
| Deuteranopia (no green cones) | #BAA506 | 0.102 |
| Tritanopia (no blue cones) | #FB6E71 | 0.118 |
| Achromatopsia (no color) | #9C9C9C | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E58503
#E58503
oklch(70.5% 0.161 62.3)
- #1DA9FB
#1DA9FB
oklch(70.5% 0.162 242.4)
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 #E58503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Orange #D8863B ΔE 0.030
- Orange Wheel #F77F00 ΔE 0.033
- Pumpkin #E17701 ΔE 0.033
- Dusty Orange #F0833A ΔE 0.034
- Pumpkin Orange #FB7D07 ΔE 0.041
- Peru #CD853F ΔE 0.047
- Dark Orange #FF8C00 ΔE 0.050
- Faded Orange #F0944D ΔE 0.051
Use #E58503 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.