#FF8F37
Closest named color: Dark Orange (#FF8C00). oklch(75.7% 0.166 54.3), rgb(255, 143, 55).
Aa
Black text reads best on this color (9.23:1).
About this color
#FF8F37 is a medium-light, vivid orange. In OKLCH its lightness is 76%, its chroma 0.166 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Orange (#FF8C00), ΔE 0.019 away. Black text reads best on it, at 9.23:1.
| Hue family | Oranges |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Dark Orange (#FF8C00) |
| Black text | 9.23:1 |
| White text | 2.27:1 |
Values
| HEX | #FF8F37 |
| RGB | rgb(255, 143, 55) |
| HSL | hsl(26, 100%, 61%) |
| OKLCH | oklch(75.7% 0.166 54.3) |
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 #FF8F37 | 2.27:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #FF8F37 | 9.23:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #FF8F37 text on white | 2.27:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #FF8F37 text on black | 9.23:1 | AAA | Lc -57.8 | 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
#FDF3ED
oklch(97% 0.013 53.4)
-
Step 100
100
#FBE5D8
oklch(93.6% 0.03 52.7)
-
Step 200
200
#F8D0B6
oklch(88.5% 0.057 54.8)
-
Step 300
300
#F5AE7F
oklch(80.8% 0.104 54.2)
-
Step 400
400 (this color)
#FF8F37
oklch(75.7% 0.166 54.3)
-
Step 500
500
#D06A00
oklch(63.2% 0.158 54.4)
-
Step 600
600
#AF5800
oklch(55.6% 0.139 54.3)
-
Step 700
700
#944900
oklch(49% 0.123 54)
-
Step 800
800
#7A3B00
oklch(42.6% 0.107 54)
-
Step 900
900
#663100
oklch(37.7% 0.094 54.7)
-
Step 950
950
#3F1B00
oklch(27% 0.068 53.5)
#FF8F37 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) | #B09C2A | 0.135 |
| Deuteranopia (no green cones) | #CBB636 | 0.122 |
| Tritanopia (no blue cones) | #FF777D | 0.103 |
| Achromatopsia (no color) | #ACACAC | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF8F37
#FF8F37
oklch(75.7% 0.166 54.3)
- #2FBEFF
#2FBEFF
oklch(75.7% 0.147 234.3)
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 #FF8F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orange #FF8C00 ΔE 0.019
- Pastel Orange #FF964F ΔE 0.020
- Tangerine #FF9408 ΔE 0.025
- Faded Orange #F0944D ΔE 0.028
- Pumpkin Orange #FB7D07 ΔE 0.040
- Orange Wheel #F77F00 ΔE 0.040
- Dusty Orange #F0833A ΔE 0.041
- Coral #FF7F50 ΔE 0.047
Use #FF8F37 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.