#F37F2B
Closest named color: Dusty Orange (#F0833A). oklch(71.5% 0.168 51.3), rgb(243, 127, 43).
Aa
Black text reads best on this color (7.88:1).
About this color
#F37F2B is a medium-light, vivid orange. In OKLCH its lightness is 72%, its chroma 0.168 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Orange (#F0833A), ΔE 0.011 away. Black text reads best on it, at 7.88:1.
| Hue family | Oranges |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Dusty Orange (#F0833A) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #F37F2B |
| RGB | rgb(243, 127, 43) |
| HSL | hsl(25, 89%, 56%) |
| OKLCH | oklch(71.5% 0.168 51.3) |
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 #F37F2B | 2.66:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #F37F2B | 7.88:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #F37F2B text on white | 2.66:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #F37F2B text on black | 7.88:1 | AAA | Lc -50.6 | 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
#FBE5D8
oklch(93.6% 0.03 52.7)
-
Step 200
200
#FACFB7
oklch(88.5% 0.058 50.8)
-
Step 300
300
#F7AD81
oklch(80.9% 0.105 51.5)
-
Step 400
400 (this color)
#F37F2B
oklch(71.5% 0.168 51.3)
-
Step 500
500
#D46600
oklch(63.2% 0.164 51.4)
-
Step 600
600
#B35500
oklch(55.7% 0.144 51.3)
-
Step 700
700
#974700
oklch(49.2% 0.127 51.6)
-
Step 800
800
#7D3900
oklch(42.8% 0.111 51.1)
-
Step 900
900
#692F00
oklch(37.8% 0.098 51.3)
-
Step 950
950
#401A00
oklch(27% 0.07 51.3)
#F37F2B 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) | #A18E1C | 0.143 |
| Deuteranopia (no green cones) | #BDA929 | 0.130 |
| Tritanopia (no blue cones) | #FF656F | 0.100 |
| Achromatopsia (no color) | #9E9E9E | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F37F2B
#F37F2B
oklch(71.5% 0.168 51.3)
- #00B2ED
#00B2ED
oklch(71.6% 0.145 231.2)
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 #F37F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Orange #F0833A ΔE 0.011
- Orange Wheel #F77F00 ΔE 0.015
- Pumpkin Orange #FB7D07 ΔE 0.017
- Coral #FF7F50 ΔE 0.038
- Pumpkin #E17701 ΔE 0.041
- Dark Orange #FF8C00 ΔE 0.042
- Faded Orange #F0944D ΔE 0.046
- Dull Orange #D8863B ΔE 0.047
Use #F37F2B 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.