#E37511
Closest named color: Pumpkin (#E17701). oklch(67.7% 0.166 53.7), rgb(227, 117, 17).
Aa
Black text reads best on this color (6.81:1).
About this color
#E37511 is a medium-light, vivid orange. In OKLCH its lightness is 68%, its chroma 0.166 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Pumpkin (#E17701), ΔE 0.007 away. Black text reads best on it, at 6.81:1.
| Hue family | Oranges |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Pumpkin (#E17701) |
| Black text | 6.81:1 |
| White text | 3.07:1 |
Values
| HEX | #E37511 |
| RGB | rgb(227, 117, 17) |
| HSL | hsl(29, 86%, 48%) |
| OKLCH | oklch(67.7% 0.166 53.7) |
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 #E37511 | 3.07:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #E37511 | 6.81:1 | AA | Lc 46.9 | Large or bold text, headings |
| #E37511 text on white | 3.07:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #E37511 text on black | 6.81:1 | AA | Lc -44.6 | 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 400.
-
Step 50
50
#FDF3ED
oklch(97% 0.013 53.4)
-
Step 100
100
#FBE5D8
oklch(93.6% 0.03 52.7)
-
Step 200
200
#F9D0B6
oklch(88.6% 0.058 54.2)
-
Step 300
300
#F6AE80
oklch(80.9% 0.104 53.3)
-
Step 400
400 (this color)
#E37511
oklch(67.7% 0.166 53.7)
-
Step 500
500
#D16900
oklch(63.2% 0.159 53.6)
-
Step 600
600
#B05700
oklch(55.5% 0.14 53.4)
-
Step 700
700
#954900
oklch(49.2% 0.124 53.7)
-
Step 800
800
#7B3B00
oklch(42.8% 0.108 53.6)
-
Step 900
900
#673000
oklch(37.6% 0.095 53.2)
-
Step 950
950
#3F1B00
oklch(27% 0.068 53.5)
#E37511 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) | #968300 | 0.136 |
| Deuteranopia (no green cones) | #B09D0D | 0.125 |
| Tritanopia (no blue cones) | #F95C64 | 0.104 |
| Achromatopsia (no color) | #939393 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E37511
#E37511
oklch(67.7% 0.166 53.7)
- #00A4E0
#00A4E0
oklch(67.7% 0.141 233.7)
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 #E37511, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pumpkin #E17701 ΔE 0.007
- Dull Orange #D8863B ΔE 0.039
- Dusty Orange #F0833A ΔE 0.044
- Chocolate #D2691E ΔE 0.045
- Orange Wheel #F77F00 ΔE 0.045
- Peru #CD853F ΔE 0.048
- Pumpkin Orange #FB7D07 ΔE 0.049
- Burnt Sienna #E76F51 ΔE 0.053
Use #E37511 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.