#E3870D
Closest named color: Dull Orange (#D8863B). oklch(70.6% 0.158 63.5), rgb(227, 135, 13).
Aa
Black text reads best on this color (7.73:1).
About this color
#E3870D is a medium-light, vivid orange. In OKLCH its lightness is 71%, its chroma 0.158 and its hue 64°. 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 7.73:1.
| Hue family | Oranges |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Dull Orange (#D8863B) |
| Black text | 7.73:1 |
| White text | 2.71:1 |
Values
| HEX | #E3870D |
| RGB | rgb(227, 135, 13) |
| HSL | hsl(34, 89%, 47%) |
| OKLCH | oklch(70.6% 0.158 63.5) |
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 #E3870D | 2.71:1 | Fails | Lc -57.3 | Large or bold text, headings |
| Black text on #E3870D | 7.73:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #E3870D text on white | 2.71:1 | Fails | Lc 52.1 | Large or bold text, headings |
| #E3870D text on black | 7.73:1 | AAA | Lc -49.7 | 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
#FCF4ED
oklch(97.1% 0.013 63.9)
-
Step 100
100
#F8E6D7
oklch(93.5% 0.028 62.3)
-
Step 200
200
#F4D2B4
oklch(88.5% 0.055 63.4)
-
Step 300
300
#EEB37C
oklch(80.9% 0.099 63.7)
-
Step 400
400 (this color)
#E3870D
oklch(70.6% 0.158 63.5)
-
Step 500
500
#C47300
oklch(63.1% 0.143 63.7)
-
Step 600
600
#A56000
oklch(55.5% 0.126 63.7)
-
Step 700
700
#8C5000
oklch(49.1% 0.112 63.2)
-
Step 800
800
#734100
oklch(42.7% 0.097 63.4)
-
Step 900
900
#603600
oklch(37.7% 0.085 64.2)
-
Step 950
950
#3B1F00
oklch(27.1% 0.061 64)
#E3870D 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) | #A49000 | 0.108 |
| Deuteranopia (no green cones) | #BAA510 | 0.096 |
| Tritanopia (no blue cones) | #F97173 | 0.117 |
| Achromatopsia (no color) | #9D9D9D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3870D
#E3870D
oklch(70.6% 0.158 63.5)
- #2DA9FA
#2DA9FA
oklch(70.7% 0.157 243.4)
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 #E3870D, 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 0.037
- Pumpkin #E17701 ΔE 0.037
- Orange Wheel #F77F00 ΔE 0.037
- Peru #CD853F ΔE 0.045
- Pumpkin Orange #FB7D07 ΔE 0.045
- Faded Orange #F0944D ΔE 0.050
- Dark Orange #FF8C00 ΔE 0.052
Use #E3870D 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.