#E3971E
Closest named color: Gamboge (#EE9B00). oklch(73.5% 0.15 71.6), rgb(227, 151, 30).
Aa
Black text reads best on this color (8.71:1).
About this color
#E3971E is a medium-light, vivid orange. In OKLCH its lightness is 74%, its chroma 0.150 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.023 away. Black text reads best on it, at 8.71:1.
| Hue family | Oranges |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.71:1 |
| White text | 2.41:1 |
Values
| HEX | #E3971E |
| RGB | rgb(227, 151, 30) |
| HSL | hsl(37, 78%, 50%) |
| OKLCH | oklch(73.5% 0.15 71.6) |
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 #E3971E | 2.41:1 | Fails | Lc -52.1 | Large or bold text, headings |
| Black text on #E3971E | 8.71:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #E3971E text on white | 2.41:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #E3971E text on black | 8.71:1 | AAA | Lc -54.9 | 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
#FBF4ED
oklch(97.1% 0.012 67.7)
-
Step 100
100
#F6E7D7
oklch(93.6% 0.027 69.3)
-
Step 200
200
#EFD4B4
oklch(88.4% 0.052 71.8)
-
Step 300
300
#E7B77C
oklch(81% 0.094 71.6)
-
Step 400
400 (this color)
#E3971E
oklch(73.5% 0.15 71.6)
-
Step 500
500
#BB7900
oklch(63% 0.135 71.5)
-
Step 600
600
#9E6500
oklch(55.5% 0.12 71.1)
-
Step 700
700
#855500
oklch(49.1% 0.105 71.8)
-
Step 800
800
#6D4500
oklch(42.6% 0.091 72)
-
Step 900
900
#5C3900
oklch(37.7% 0.081 71.3)
-
Step 950
950
#382100
oklch(27.1% 0.058 71.5)
#E3971E 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) | #B19C00 | 0.084 |
| Deuteranopia (no green cones) | #C3AE23 | 0.074 |
| Tritanopia (no blue cones) | #F88482 | 0.123 |
| Achromatopsia (no color) | #A7A7A7 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3971E
#E3971E
oklch(73.5% 0.15 71.6)
- #61AEFF
#61AEFF
oklch(73.6% 0.141 251.3)
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 #E3971E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.023
- Goldenrod #DAA520 ΔE 0.036
- Faded Orange #F0944D ΔE 0.043
- Yellow Ochre #CB9D06 ΔE 0.044
- Earth Yellow #DDA15E ΔE 0.045
- Tangerine #FF9408 ΔE 0.047
- Dark Orange #FF8C00 ΔE 0.050
- Ocre #C69C04 ΔE 0.051
Use #E3971E 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.