#E37D40
Closest named color: Dull Orange (#D8863B). oklch(69.2% 0.147 49.2), rgb(227, 125, 64).
Aa
Black text reads best on this color (7.27:1).
About this color
#E37D40 is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.147 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Orange (#D8863B), ΔE 0.029 away. Black text reads best on it, at 7.27:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Dull Orange (#D8863B) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #E37D40 |
| RGB | rgb(227, 125, 64) |
| HSL | hsl(22, 74%, 57%) |
| OKLCH | oklch(69.2% 0.147 49.2) |
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 #E37D40 | 2.88:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #E37D40 | 7.27:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #E37D40 text on white | 2.88:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #E37D40 text on black | 7.27:1 | AAA | Lc -47.1 | 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
#FDF3EE
oklch(97.1% 0.013 48.6)
-
Step 100
100
#FAE5DB
oklch(93.6% 0.027 47.2)
-
Step 200
200
#F6D0BC
oklch(88.5% 0.051 49.4)
-
Step 300
300
#F2AF8C
oklch(80.9% 0.092 48.6)
-
Step 400
400 (this color)
#E37D40
oklch(69.2% 0.147 49.2)
-
Step 500
500
#D76300
oklch(63.2% 0.169 49.3)
-
Step 600
600
#B55200
oklch(55.5% 0.149 49.2)
-
Step 700
700
#994400
oklch(49% 0.131 49)
-
Step 800
800
#7E3700
oklch(42.6% 0.114 49.2)
-
Step 900
900
#6A2D00
oklch(37.6% 0.101 49.1)
-
Step 950
950
#411900
oklch(27% 0.072 49.3)
#E37D40 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) | #9A8A39 | 0.126 |
| Deuteranopia (no green cones) | #B2A13F | 0.116 |
| Tritanopia (no blue cones) | #F86870 | 0.088 |
| Achromatopsia (no color) | #989898 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E37D40
#E37D40
oklch(69.2% 0.147 49.2)
- #00ABDF
#00ABDF
oklch(69.3% 0.136 228.9)
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 #E37D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Orange #D8863B ΔE 0.029
- Dusty Orange #F0833A ΔE 0.029
- Dark Peach #DE7E5D ΔE 0.030
- Pumpkin #E17701 ΔE 0.031
- Burnt Sienna #E76F51 ΔE 0.041
- Peru #CD853F ΔE 0.041
- Orange Wheel #F77F00 ΔE 0.045
- Pumpkin Orange #FB7D07 ΔE 0.048
Use #E37D40 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.