#F04911
Closest named color: Orangey Red (#FA4224). oklch(63.9% 0.212 36.1), rgb(240, 73, 17).
Aa
Black text reads best on this color (5.66:1).
About this color
#F04911 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.212 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.023 away. Black text reads best on it, at 5.66:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #F04911 |
| RGB | rgb(240, 73, 17) |
| HSL | hsl(15, 88%, 50%) |
| OKLCH | oklch(63.9% 0.212 36.1) |
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 #F04911 | 3.70:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #F04911 | 5.66:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #F04911 text on white | 3.70:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #F04911 text on black | 5.66:1 | AA | Lc -38.4 | 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
#FEF2EF
oklch(97% 0.014 34.3)
-
Step 100
100
#FDE3DC
oklch(93.5% 0.03 35.5)
-
Step 200
200
#FCCDBF
oklch(88.5% 0.057 37.2)
-
Step 300
300
#FBA992
oklch(80.9% 0.103 36.4)
-
Step 400
400
#F57552
oklch(70.7% 0.165 36.2)
-
Step 500
500 (this color)
#F04911
oklch(63.9% 0.212 36.1)
-
Step 600
600
#CA3700
oklch(55.6% 0.191 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#771D00
oklch(37.8% 0.129 36.2)
-
Step 950
950
#481102
oklch(27.1% 0.087 36.7)
#F04911 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) | #7C6D00 | 0.218 |
| Deuteranopia (no green cones) | #A59200 | 0.196 |
| Tritanopia (no blue cones) | #FF0040 | 0.075 |
| Achromatopsia (no color) | #858585 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F04911
#F04911
oklch(63.9% 0.212 36.1)
- #009CB8
#009CB8
oklch(63.9% 0.114 216.5)
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 #F04911, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.023
- Red Orange #FD3C06 ΔE 0.026
- Orangered #FE420F ΔE 0.026
- Orange Red #FF4500 ΔE 0.028
- Blood Orange #FE4B03 ΔE 0.028
- Vermillion #F4320C ΔE 0.028
- Orange Pant #FB5607 ΔE 0.033
- Tomato Red #EC2D01 ΔE 0.038
Use #F04911 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.