#F73F36
Closest named color: Orangey Red (#FA4224). oklch(64.4% 0.221 28.1), rgb(247, 63, 54).
Aa
Black text reads best on this color (5.71:1).
About this color
#F73F36 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.221 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.016 away. Black text reads best on it, at 5.71:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #F73F36 |
| RGB | rgb(247, 63, 54) |
| HSL | hsl(3, 92%, 59%) |
| OKLCH | oklch(64.4% 0.221 28.1) |
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 #F73F36 | 3.67:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #F73F36 | 5.71:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #F73F36 text on white | 3.67:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #F73F36 text on black | 5.71:1 | AA | Lc -38.9 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DE
oklch(93.6% 0.031 30.2)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FA6F61
oklch(70.8% 0.173 28)
-
Step 500
500 (this color)
#F73F36
oklch(64.4% 0.221 28.1)
-
Step 600
600
#D9000E
oklch(55.6% 0.227 28.1)
-
Step 700
700
#B8000A
oklch(49.2% 0.201 28.1)
-
Step 800
800
#980007
oklch(42.7% 0.175 28)
-
Step 900
900
#7D0D0C
oklch(37.8% 0.145 28.1)
-
Step 950
950
#4A0D0A
oklch(27.1% 0.092 27.9)
#F73F36 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) | #786C33 | 0.237 |
| Deuteranopia (no green cones) | #A5942E | 0.216 |
| Tritanopia (no blue cones) | #FF003F | 0.046 |
| Achromatopsia (no color) | #858585 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F73F36
#F73F36
oklch(64.4% 0.221 28.1)
- #00A0B1
#00A0B1
oklch(64.6% 0.111 208.1)
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 #F73F36, closest first.
No curated palette has a color within ΔE 0.04 of #F73F36.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.016
- Red Orange #FD3C06 ΔE 0.026
- Vermillion #F4320C ΔE 0.026
- Light Red #FF474C ΔE 0.028
- Orangered #FE420F ΔE 0.028
- Strawberry #FB2943 ΔE 0.030
- Orange Red #FF4500 ΔE 0.034
- Pinky Red #FC2647 ΔE 0.035
Use #F73F36 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.