#F63F34
Closest named color: Orangey Red (#FA4224). oklch(64.2% 0.221 28.5), rgb(246, 63, 52).
Aa
Black text reads best on this color (5.67:1).
About this color
#F63F34 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 5.67:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.221) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #F63F34 |
| RGB | rgb(246, 63, 52) |
| HSL | hsl(3, 92%, 58%) |
| OKLCH | oklch(64.2% 0.221 28.5) |
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 #F63F34 | 3.69:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #F63F34 | 5.67:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #F63F34 text on white | 3.69:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #F63F34 text on black | 5.67:1 | AA | Lc -38.7 | 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
#FFA699
oklch(81% 0.108 28.7)
-
Step 400
400
#F96F60
oklch(70.6% 0.172 28.4)
-
Step 500
500 (this color)
#F63F34
oklch(64.2% 0.221 28.5)
-
Step 600
600
#D90009
oklch(55.6% 0.228 28.5)
-
Step 700
700
#B80006
oklch(49.2% 0.201 28.5)
-
Step 800
800
#980004
oklch(42.7% 0.175 28.5)
-
Step 900
900
#7D0E0B
oklch(37.8% 0.144 28.5)
-
Step 950
950
#490D09
oklch(26.9% 0.091 28.6)
#F63F34 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) | #776B31 | 0.237 |
| Deuteranopia (no green cones) | #A4932B | 0.215 |
| Tritanopia (no blue cones) | #FF003F | 0.047 |
| Achromatopsia (no color) | #858585 | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F63F34
#F63F34
oklch(64.2% 0.221 28.5)
- #009FB0
#009FB0
oklch(64.3% 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 #F63F34, closest first.
No curated palette has a color within ΔE 0.04 of #F63F34.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.016
- Vermillion #F4320C ΔE 0.024
- Red Orange #FD3C06 ΔE 0.025
- Orangered #FE420F ΔE 0.027
- Light Red #FF474C ΔE 0.030
- Strawberry #FB2943 ΔE 0.031
- Orange Red #FF4500 ΔE 0.034
- Pinky Red #FC2647 ΔE 0.037
Use #F63F34 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.