#EF8B27
Closest named color: Dusty Orange (#F0833A). oklch(72.9% 0.16 59.3), rgb(239, 139, 39).
Aa
Black text reads best on this color (8.39:1).
About this color
#EF8B27 is a medium-light, vivid orange. In OKLCH its lightness is 73%, its chroma 0.160 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.025 away. Black text reads best on it, at 8.39:1.
| Hue family | Oranges |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #EF8B27 |
| RGB | rgb(239, 139, 39) |
| HSL | hsl(30, 86%, 55%) |
| OKLCH | oklch(72.9% 0.16 59.3) |
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 #EF8B27 | 2.50:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #EF8B27 | 8.39:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #EF8B27 text on white | 2.50:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #EF8B27 text on black | 8.39:1 | AAA | Lc -53.3 | 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
#FDF4ED
oklch(97.2% 0.013 60.6)
-
Step 100
100
#F9E6D7
oklch(93.6% 0.029 60.8)
-
Step 200
200
#F6D1B5
oklch(88.5% 0.056 59.1)
-
Step 300
300
#F1B17E
oklch(80.9% 0.1 59.3)
-
Step 400
400 (this color)
#EF8B27
oklch(72.9% 0.16 59.3)
-
Step 500
500
#C96F00
oklch(63.1% 0.149 59.4)
-
Step 600
600
#AA5D00
oklch(55.7% 0.131 59.4)
-
Step 700
700
#8F4D00
oklch(49% 0.116 59.2)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#633400
oklch(37.8% 0.089 59.7)
-
Step 950
950
#3D1D00
oklch(27% 0.064 58.4)
#EF8B27 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) | #A99611 | 0.121 |
| Deuteranopia (no green cones) | #C1AD27 | 0.108 |
| Tritanopia (no blue cones) | #FF7478 | 0.110 |
| Achromatopsia (no color) | #A4A4A4 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF8B27
#EF8B27
oklch(72.9% 0.16 59.3)
- #20B3FF
#20B3FF
oklch(73% 0.158 239)
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 #EF8B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.025
- Orange Wheel #F77F00 ΔE 0.026
- Faded Orange #F0944D ΔE 0.029
- Dark Orange #FF8C00 ΔE 0.029
- Pumpkin Orange #FB7D07 ΔE 0.033
- Tangerine #FF9408 ΔE 0.038
- Gamboge #EE9B00 ΔE 0.043
- Dull Orange #D8863B ΔE 0.044
Use #EF8B27 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.