#EF863B
Closest named color: Dusty Orange (#F0833A). oklch(72.2% 0.155 52.7), rgb(239, 134, 59).
Aa
Black text reads best on this color (8.14:1).
About this color
#EF863B is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.155 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.007 away. Black text reads best on it, at 8.14:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #EF863B |
| RGB | rgb(239, 134, 59) |
| HSL | hsl(25, 85%, 58%) |
| OKLCH | oklch(72.2% 0.155 52.7) |
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 #EF863B | 2.57:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #EF863B | 8.14:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #EF863B text on white | 2.57:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #EF863B text on black | 8.14:1 | AAA | Lc -52.0 | 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
#FDF3EE
oklch(97.1% 0.013 48.6)
-
Step 100
100
#FAE5D9
oklch(93.6% 0.028 51.8)
-
Step 200
200
#F7D0B9
oklch(88.5% 0.054 52.3)
-
Step 300
300
#F3AF86
oklch(80.9% 0.097 52)
-
Step 400
400 (this color)
#EF863B
oklch(72.2% 0.155 52.7)
-
Step 500
500
#D26800
oklch(63.2% 0.161 52.9)
-
Step 600
600
#B15600
oklch(55.5% 0.142 52.5)
-
Step 700
700
#964800
oklch(49.2% 0.125 52.6)
-
Step 800
800
#7B3A00
oklch(42.6% 0.109 52.7)
-
Step 900
900
#683000
oklch(37.8% 0.096 52.7)
-
Step 950
950
#3F1B00
oklch(27% 0.068 53.5)
#EF863B 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) | #A49331 | 0.129 |
| Deuteranopia (no green cones) | #BEAA3A | 0.115 |
| Tritanopia (no blue cones) | #FF7076 | 0.095 |
| Achromatopsia (no color) | #A1A1A1 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF863B
#EF863B
oklch(72.2% 0.155 52.7)
- #00B3F2
#00B3F2
oklch(72.1% 0.149 232.8)
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 #EF863B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.007
- Orange Wheel #F77F00 ΔE 0.025
- Pumpkin Orange #FB7D07 ΔE 0.029
- Faded Orange #F0944D ΔE 0.031
- Coral #FF7F50 ΔE 0.039
- Dull Orange #D8863B ΔE 0.040
- Dark Orange #FF8C00 ΔE 0.041
- Pumpkin #E17701 ΔE 0.048
Use #EF863B 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.