#EF7731
Closest named color: Dusty Orange (#F0833A). oklch(69.8% 0.168 47.2), rgb(239, 119, 49).
Aa
Black text reads best on this color (7.35:1).
About this color
#EF7731 is a medium-light, vivid orange. In OKLCH its lightness is 70%, its chroma 0.168 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.026 away. Black text reads best on it, at 7.35:1.
| Hue family | Oranges |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #EF7731 |
| RGB | rgb(239, 119, 49) |
| HSL | hsl(22, 86%, 56%) |
| OKLCH | oklch(69.8% 0.168 47.2) |
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 #EF7731 | 2.85:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #EF7731 | 7.35:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #EF7731 text on white | 2.85:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #EF7731 text on black | 7.35:1 | AAA | Lc -47.7 | 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
#FEF3EE
oklch(97.1% 0.014 46.2)
-
Step 100
100
#FCE4D9
oklch(93.5% 0.03 46.3)
-
Step 200
200
#FBCEB9
oklch(88.5% 0.059 46.4)
-
Step 300
300
#F9AC85
oklch(81% 0.105 47.6)
-
Step 400
400 (this color)
#EF7731
oklch(69.8% 0.168 47.2)
-
Step 500
500
#DA6000
oklch(63.2% 0.174 47.4)
-
Step 600
600
#B85000
oklch(55.7% 0.153 47.4)
-
Step 700
700
#9B4200
oklch(49% 0.135 47.3)
-
Step 800
800
#803500
oklch(42.6% 0.118 47.1)
-
Step 900
900
#6C2C00
oklch(37.8% 0.104 47.5)
-
Step 950
950
#421800
oklch(27% 0.074 47.5)
#EF7731 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) | #998827 | 0.151 |
| Deuteranopia (no green cones) | #B6A32E | 0.137 |
| Tritanopia (no blue cones) | #FF5D69 | 0.091 |
| Achromatopsia (no color) | #999999 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF7731
#EF7731
oklch(69.8% 0.168 47.2)
- #00ADDF
#00ADDF
oklch(69.8% 0.136 227.6)
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 #EF7731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.026
- Pumpkin Orange #FB7D07 ΔE 0.032
- Orange Wheel #F77F00 ΔE 0.032
- Pumpkin #E17701 ΔE 0.034
- Pinkish Orange #FF724C ΔE 0.041
- Burnt Sienna #E76F51 ΔE 0.041
- Coral #FF7F50 ΔE 0.042
- Melon #FF7855 ΔE 0.044
Use #EF7731 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.