#E37F2C
Closest named color: Pumpkin (#E17701). oklch(69.4% 0.153 55.3), rgb(227, 127, 44).
Aa
Black text reads best on this color (7.33:1).
About this color
#E37F2C is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.153 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Pumpkin (#E17701), ΔE 0.021 away. Black text reads best on it, at 7.33:1.
| Hue family | Oranges |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Pumpkin (#E17701) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #E37F2C |
| RGB | rgb(227, 127, 44) |
| HSL | hsl(27, 77%, 53%) |
| OKLCH | oklch(69.4% 0.153 55.3) |
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 #E37F2C | 2.86:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #E37F2C | 7.33:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #E37F2C text on white | 2.86:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #E37F2C text on black | 7.33:1 | AAA | Lc -47.5 | 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
#FDF3ED
oklch(97% 0.013 53.4)
-
Step 100
100
#F9E6D9
oklch(93.7% 0.027 56.8)
-
Step 200
200
#F6D1B8
oklch(88.6% 0.054 56)
-
Step 300
300
#F1B084
oklch(80.8% 0.096 55)
-
Step 400
400 (this color)
#E37F2C
oklch(69.4% 0.153 55.3)
-
Step 500
500
#CE6B00
oklch(63.1% 0.155 55.5)
-
Step 600
600
#AE5900
oklch(55.6% 0.137 55.3)
-
Step 700
700
#934A00
oklch(49.1% 0.121 55.1)
-
Step 800
800
#793C00
oklch(42.6% 0.105 55.3)
-
Step 900
900
#663100
oklch(37.7% 0.094 54.7)
-
Step 950
950
#3E1C00
oklch(27% 0.066 55.9)
#E37F2C 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) | #9D8B1E | 0.122 |
| Deuteranopia (no green cones) | #B4A22B | 0.112 |
| Tritanopia (no blue cones) | #F9696F | 0.102 |
| Achromatopsia (no color) | #999999 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E37F2C
#E37F2C
oklch(69.4% 0.153 55.3)
- #00A9EA
#00A9EA
oklch(69.4% 0.147 235.1)
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 #E37F2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pumpkin #E17701 ΔE 0.021
- Dull Orange #D8863B ΔE 0.022
- Dusty Orange #F0833A ΔE 0.028
- Orange Wheel #F77F00 ΔE 0.036
- Peru #CD853F ΔE 0.038
- Pumpkin Orange #FB7D07 ΔE 0.042
- Dark Peach #DE7E5D ΔE 0.046
- Burnt Sienna #E76F51 ΔE 0.056
Use #E37F2C 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.