#F35A1F
Closest named color: Orange Pant (#FB5607). oklch(66.3% 0.199 38.8), rgb(243, 90, 31).
Aa
Black text reads best on this color (6.29:1).
About this color
#F35A1F is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.199 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.015 away. Black text reads best on it, at 6.29:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #F35A1F |
| RGB | rgb(243, 90, 31) |
| HSL | hsl(17, 90%, 54%) |
| OKLCH | oklch(66.3% 0.199 38.8) |
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 #F35A1F | 3.33:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #F35A1F | 6.29:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #F35A1F text on white | 3.33:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #F35A1F text on black | 6.29:1 | AA | Lc -42.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DC
oklch(93.6% 0.029 39.3)
-
Step 200
200
#FACEBF
oklch(88.5% 0.054 39.7)
-
Step 300
300
#F8AB92
oklch(80.9% 0.098 38.7)
-
Step 400
400
#F07A53
oklch(70.8% 0.155 38.8)
-
Step 500
500 (this color)
#F35A1F
oklch(66.3% 0.199 38.8)
-
Step 600
600
#C53F00
oklch(55.6% 0.18 38.6)
-
Step 700
700
#A63400
oklch(49% 0.158 38.7)
-
Step 800
800
#8A2A00
oklch(42.8% 0.138 38.8)
-
Step 900
900
#742200
oklch(37.8% 0.121 38.9)
-
Step 950
950
#461302
oklch(27% 0.083 38.8)
#F35A1F 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) | #877712 | 0.199 |
| Deuteranopia (no green cones) | #AC9914 | 0.180 |
| Tritanopia (no blue cones) | #FF2E4F | 0.083 |
| Achromatopsia (no color) | #8D8D8D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F35A1F
#F35A1F
oklch(66.3% 0.199 38.8)
- #00A4C5
#00A4C5
oklch(66.4% 0.12 219)
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 #F35A1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.015
- Bright Orange #FF5B00 ΔE 0.024
- Blood Orange #FE4B03 ΔE 0.026
- Orange Red #FF4500 ΔE 0.033
- Orangered #FE420F ΔE 0.036
- Orangey Red #FA4224 ΔE 0.038
- Tomato #FF6347 ΔE 0.040
- Red Orange #FD3C06 ΔE 0.042
Use #F35A1F 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.