#F3691D
Closest named color: Bright Orange (#FF5B00). oklch(68.2% 0.187 44), rgb(243, 105, 29).
Aa
Black text reads best on this color (6.84:1).
About this color
#F3691D is a medium-light, vivid orange. In OKLCH its lightness is 68%, its chroma 0.187 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Bright Orange (#FF5B00), ΔE 0.029 away. Black text reads best on it, at 6.84:1.
| Hue family | Oranges |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Bright Orange (#FF5B00) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #F3691D |
| RGB | rgb(243, 105, 29) |
| HSL | hsl(21, 90%, 53%) |
| OKLCH | oklch(68.2% 0.187 44) |
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 #F3691D | 3.06:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #F3691D | 6.84:1 | AA | Lc 47.4 | Large or bold text, headings |
| #F3691D text on white | 3.06:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #F3691D text on black | 6.84:1 | AA | Lc -45.1 | 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
#FFF2ED
oklch(97% 0.016 42.4)
-
Step 100
100
#FFE3D8
oklch(93.6% 0.034 42.7)
-
Step 200
200
#FFCCB7
oklch(88.4% 0.065 43.5)
-
Step 300
300
#FFA883
oklch(80.9% 0.115 43.7)
-
Step 400
400 (this color)
#F3691D
oklch(68.2% 0.187 44)
-
Step 500
500
#DF5A00
oklch(63.1% 0.183 44.1)
-
Step 600
600
#BC4B00
oklch(55.6% 0.161 44.3)
-
Step 700
700
#9F3E00
oklch(49.1% 0.142 44.2)
-
Step 800
800
#843200
oklch(42.8% 0.124 44.1)
-
Step 900
900
#6F2800
oklch(37.7% 0.111 43.6)
-
Step 950
950
#441600
oklch(27% 0.078 44.2)
#F3691D 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) | #918009 | 0.177 |
| Deuteranopia (no green cones) | #B39F15 | 0.160 |
| Tritanopia (no blue cones) | #FF475B | 0.092 |
| Achromatopsia (no color) | #939393 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F3691D
#F3691D
oklch(68.2% 0.187 44)
- #00A9D3
#00A9D3
oklch(68.3% 0.128 223.8)
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 #F3691D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Orange #FF5B00 ΔE 0.029
- Orange Pant #FB5607 ΔE 0.033
- Burnt Sienna #E76F51 ΔE 0.041
- Tomato #FF6347 ΔE 0.042
- Pinkish Orange #FF724C ΔE 0.043
- Pumpkin #E17701 ΔE 0.044
- Orange Pink #FF6F52 ΔE 0.047
- Pumpkin Orange #FB7D07 ΔE 0.048
Use #F3691D 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.