#F57731
Closest named color: Dusty Orange (#F0833A). oklch(70.6% 0.174 46.1), rgb(245, 119, 49).
Aa
Black text reads best on this color (7.56:1).
About this color
#F57731 is a medium-light, vivid orange. In OKLCH its lightness is 71%, its chroma 0.174 and its hue 46°. 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 7.56:1.
| Hue family | Oranges |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.56:1 |
| White text | 2.77:1 |
Values
| HEX | #F57731 |
| RGB | rgb(245, 119, 49) |
| HSL | hsl(21, 91%, 58%) |
| OKLCH | oklch(70.6% 0.174 46.1) |
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 #F57731 | 2.77:1 | Fails | Lc -58.1 | Large or bold text, headings |
| Black text on #F57731 | 7.56:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #F57731 text on white | 2.77:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #F57731 text on black | 7.56:1 | AAA | Lc -49.0 | 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
#FEF3ED
oklch(97.1% 0.014 50.8)
-
Step 100
100
#FDE4D9
oklch(93.6% 0.031 45.3)
-
Step 200
200
#FCCEB8
oklch(88.6% 0.06 47)
-
Step 300
300
#FBAA84
oklch(80.8% 0.109 45.9)
-
Step 400
400 (this color)
#F57731
oklch(70.6% 0.174 46.1)
-
Step 500
500
#DC5E00
oklch(63.2% 0.177 46.2)
-
Step 600
600
#B94E00
oklch(55.5% 0.156 46.2)
-
Step 700
700
#9D4100
oklch(49.2% 0.138 46.2)
-
Step 800
800
#813400
oklch(42.6% 0.119 46.2)
-
Step 900
900
#6D2B00
oklch(37.8% 0.106 46.3)
-
Step 950
950
#431700
oklch(27% 0.076 45.7)
#F57731 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) | #9B8A27 | 0.159 |
| Deuteranopia (no green cones) | #B9A62E | 0.145 |
| Tritanopia (no blue cones) | #FF5B69 | 0.091 |
| Achromatopsia (no color) | #9B9B9B | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F57731
#F57731
oklch(70.6% 0.174 46.1)
- #00B0E0
#00B0E0
oklch(70.5% 0.135 226.2)
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 #F57731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.025
- Pumpkin Orange #FB7D07 ΔE 0.026
- Orange Wheel #F77F00 ΔE 0.029
- Pinkish Orange #FF724C ΔE 0.033
- Coral #FF7F50 ΔE 0.034
- Melon #FF7855 ΔE 0.037
- Orange Pink #FF6F52 ΔE 0.042
- Pumpkin #E17701 ΔE 0.043
Use #F57731 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.