#ED7537
Closest named color: Dusty Orange (#F0833A). oklch(69.3% 0.166 45.3), rgb(237, 117, 55).
Aa
Black text reads best on this color (7.20:1).
About this color
#ED7537 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.166 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.032 away. Black text reads best on it, at 7.20:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #ED7537 |
| RGB | rgb(237, 117, 55) |
| HSL | hsl(20, 83%, 57%) |
| OKLCH | oklch(69.3% 0.166 45.3) |
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 #ED7537 | 2.91:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #ED7537 | 7.20:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #ED7537 text on white | 2.91:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #ED7537 text on black | 7.20:1 | AAA | Lc -46.9 | 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
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FCE4DA
oklch(93.6% 0.03 44)
-
Step 200
200
#FBCEBA
oklch(88.5% 0.058 45.3)
-
Step 300
300
#F9AB88
oklch(80.8% 0.104 45)
-
Step 400
400 (this color)
#ED7537
oklch(69.3% 0.166 45.3)
-
Step 500
500
#DD5C00
oklch(63.1% 0.18 45.2)
-
Step 600
600
#BB4D00
oklch(55.7% 0.158 45.4)
-
Step 700
700
#9E4000
oklch(49.2% 0.14 45.4)
-
Step 800
800
#823300
oklch(42.6% 0.121 45.2)
-
Step 900
900
#6D2A00
oklch(37.7% 0.107 45.6)
-
Step 950
950
#431700
oklch(27% 0.076 45.7)
#ED7537 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) | #97872F | 0.152 |
| Deuteranopia (no green cones) | #B4A134 | 0.138 |
| Tritanopia (no blue cones) | #FF5B68 | 0.088 |
| Achromatopsia (no color) | #979797 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ED7537
#ED7537
oklch(69.3% 0.166 45.3)
- #00ACD9
#00ACD9
oklch(69.3% 0.131 225.1)
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 #ED7537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.032
- Burnt Sienna #E76F51 ΔE 0.033
- Pumpkin #E17701 ΔE 0.035
- Pinkish Orange #FF724C ΔE 0.039
- Pumpkin Orange #FB7D07 ΔE 0.040
- Dark Peach #DE7E5D ΔE 0.040
- Orange Wheel #F77F00 ΔE 0.041
- Melon #FF7855 ΔE 0.044
Use #ED7537 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.