#F33B3C
Closest named color: Strawberry (#FB2943). oklch(63.5% 0.22 25.9), rgb(243, 59, 60).
Aa
Black text reads best on this color (5.50:1).
About this color
#F33B3C is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.220 and its hue 26°. 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 5.50:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.220) |
| Temperature | warm |
| Nearest name | Strawberry (#FB2943) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #F33B3C |
| RGB | rgb(243, 59, 60) |
| HSL | hsl(360, 88%, 59%) |
| OKLCH | oklch(63.5% 0.22 25.9) |
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 #F33B3C | 3.81:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #F33B3C | 5.50:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #F33B3C text on white | 3.81:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #F33B3C text on black | 5.50:1 | AA | Lc -37.6 | 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
#FEE2DF
oklch(93.5% 0.031 25)
-
Step 200
200
#FECBC5
oklch(88.5% 0.059 26.1)
-
Step 300
300
#FFA59C
oklch(80.9% 0.108 25.9)
-
Step 400
400
#F96E66
oklch(70.6% 0.172 25.7)
-
Step 500
500 (this color)
#F33B3C
oklch(63.5% 0.22 25.9)
-
Step 600
600
#D8001E
oklch(55.5% 0.226 25.9)
-
Step 700
700
#B70018
oklch(49.1% 0.199 25.9)
-
Step 800
800
#980012
oklch(42.8% 0.174 25.9)
-
Step 900
900
#7C0D13
oklch(37.6% 0.143 25.7)
-
Step 950
950
#490D0C
oklch(26.9% 0.09 26.4)
#F33B3C 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) | #74693A | 0.237 |
| Deuteranopia (no green cones) | #A19135 | 0.217 |
| Tritanopia (no blue cones) | #FF003E | 0.039 |
| Achromatopsia (no color) | #828282 | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F33B3C
#F33B3C
oklch(63.5% 0.22 25.9)
- #009DAB
#009DAB
oklch(63.6% 0.109 206)
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 #F33B3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Strawberry #FB2943 ΔE 0.024
- Vermillion #F4320C ΔE 0.028
- Orangey Red #FA4224 ΔE 0.028
- Red Pantone #EF233C ΔE 0.028
- Imperial Red #E63946 ΔE 0.029
- Pinky Red #FC2647 ΔE 0.029
- Light Red #FF474C ΔE 0.033
- Cherry Red #F7022A ΔE 0.035
Use #F33B3C 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.