#F33F43
Closest named color: Strawberry (#FB2943). oklch(63.9% 0.216 24.8), rgb(243, 63, 67).
Aa
Black text reads best on this color (5.60:1).
About this color
#F33F43 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.216 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Strawberry (#FB2943), ΔE 0.024 away. Black text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.216) |
| Temperature | warm |
| Nearest name | Strawberry (#FB2943) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #F33F43 |
| RGB | rgb(243, 63, 67) |
| HSL | hsl(359, 88%, 60%) |
| OKLCH | oklch(63.9% 0.216 24.8) |
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 #F33F43 | 3.74:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #F33F43 | 5.60:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #F33F43 text on white | 3.74:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #F33F43 text on black | 5.60:1 | AA | Lc -38.1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FECBC6
oklch(88.5% 0.059 24.8)
-
Step 300
300
#FEA69E
oklch(81% 0.106 25.3)
-
Step 400
400
#F86F6A
oklch(70.7% 0.169 24.5)
-
Step 500
500 (this color)
#F33F43
oklch(63.9% 0.216 24.8)
-
Step 600
600
#D80024
oklch(55.6% 0.225 24.8)
-
Step 700
700
#B7001D
oklch(49.1% 0.199 24.8)
-
Step 800
800
#970016
oklch(42.6% 0.173 24.8)
-
Step 900
900
#7C0F16
oklch(37.8% 0.141 24.9)
-
Step 950
950
#490D0E
oklch(27% 0.09 24.8)
#F33F43 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) | #756B41 | 0.234 |
| Deuteranopia (no green cones) | #A2923D | 0.214 |
| Tritanopia (no blue cones) | #FF0043 | 0.043 |
| Achromatopsia (no color) | #848484 | 0.217 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F33F43
#F33F43
oklch(63.9% 0.216 24.8)
- #009EAB
#009EAB
oklch(63.8% 0.109 205.1)
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 #F33F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Strawberry #FB2943 ΔE 0.024
- Light Red #FF474C ΔE 0.029
- Pinky Red #FC2647 ΔE 0.029
- Imperial Red #E63946 ΔE 0.029
- Orangey Red #FA4224 ΔE 0.031
- Watermelon #FD4659 ΔE 0.032
- Red Pantone #EF233C ΔE 0.032
- Vermillion #F4320C ΔE 0.035
Use #F33F43 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.