#FF8B21
Closest named color: Dark Orange (#FF8C00). oklch(75% 0.175 55.6), rgb(255, 139, 33).
Aa
Black text reads best on this color (8.96:1).
About this color
#FF8B21 is a medium-light, vivid orange. In OKLCH its lightness is 75%, its chroma 0.175 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Orange (#FF8C00), ΔE 0.009 away. Black text reads best on it, at 8.96:1.
| Hue family | Oranges |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Dark Orange (#FF8C00) |
| Black text | 8.96:1 |
| White text | 2.34:1 |
Values
| HEX | #FF8B21 |
| RGB | rgb(255, 139, 33) |
| HSL | hsl(29, 100%, 56%) |
| OKLCH | oklch(75% 0.175 55.6) |
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 #FF8B21 | 2.34:1 | Fails | Lc -50.5 | Large or bold text, headings |
| Black text on #FF8B21 | 8.96:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #FF8B21 text on white | 2.34:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #FF8B21 text on black | 8.96:1 | AAA | Lc -56.4 | 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
#FEF3EC
oklch(97.1% 0.015 54.9)
-
Step 100
100
#FBE5D6
oklch(93.6% 0.031 56.6)
-
Step 200
200
#FACFB3
oklch(88.4% 0.061 54.8)
-
Step 300
300
#F7AE7A
oklch(80.9% 0.109 56)
-
Step 400
400 (this color)
#FF8B21
oklch(75% 0.175 55.6)
-
Step 500
500
#CE6B00
oklch(63.1% 0.155 55.5)
-
Step 600
600
#AE5900
oklch(55.6% 0.137 55.3)
-
Step 700
700
#934B00
oklch(49.2% 0.121 55.9)
-
Step 800
800
#793C00
oklch(42.6% 0.105 55.3)
-
Step 900
900
#663200
oklch(37.8% 0.093 55.8)
-
Step 950
950
#3E1C00
oklch(27% 0.066 55.9)
#FF8B21 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) | #AE9900 | 0.140 |
| Deuteranopia (no green cones) | #C9B41F | 0.127 |
| Tritanopia (no blue cones) | #FF7178 | 0.111 |
| Achromatopsia (no color) | #A9A9A9 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF8B21
#FF8B21
oklch(75% 0.175 55.6)
- #2BBBFF
#2BBBFF
oklch(75% 0.15 235.6)
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 #FF8B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orange #FF8C00 ΔE 0.009
- Tangerine #FF9408 ΔE 0.023
- Pumpkin Orange #FB7D07 ΔE 0.031
- Orange Wheel #F77F00 ΔE 0.031
- Pastel Orange #FF964F ΔE 0.032
- Faded Orange #F0944D ΔE 0.035
- Dusty Orange #F0833A ΔE 0.038
- Gamboge #EE9B00 ΔE 0.048
Use #FF8B21 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.