#F43340
Closest named color: Strawberry (#FB2943). oklch(63.1% 0.226 23.7), rgb(244, 51, 64).
Aa
Black text reads best on this color (5.39:1).
About this color
#F43340 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.226 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Strawberry (#FB2943), ΔE 0.015 away. Black text reads best on it, at 5.39:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.226) |
| Temperature | warm |
| Nearest name | Strawberry (#FB2943) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #F43340 |
| RGB | rgb(244, 51, 64) |
| HSL | hsl(356, 90%, 58%) |
| OKLCH | oklch(63.1% 0.226 23.7) |
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 #F43340 | 3.89:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #F43340 | 5.39:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #F43340 text on white | 3.89:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #F43340 text on black | 5.39:1 | AA | Lc -37.1 | 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
#FFE2E0
oklch(93.6% 0.032 22.5)
-
Step 200
200
#FFCAC6
oklch(88.4% 0.061 23.4)
-
Step 300
300
#FFA59F
oklch(81% 0.108 23.9)
-
Step 400
400
#FB6C69
oklch(70.7% 0.176 23.9)
-
Step 500
500 (this color)
#F43340
oklch(63.1% 0.226 23.7)
-
Step 600
600
#D80029
oklch(55.6% 0.225 23.7)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900
#7E0716
oklch(37.8% 0.148 23.8)
-
Step 950
950
#4A0B0E
oklch(27% 0.093 23.9)
#F43340 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) | #70673E | 0.247 |
| Deuteranopia (no green cones) | #9F9039 | 0.226 |
| Tritanopia (no blue cones) | #FF003A | 0.029 |
| Achromatopsia (no color) | #818181 | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F43340
#F43340
oklch(63.1% 0.226 23.7)
- #009CA7
#009CA7
oklch(63.1% 0.108 203.6)
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 #F43340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Strawberry #FB2943 ΔE 0.015
- Pinky Red #FC2647 ΔE 0.020
- Red Pantone #EF233C ΔE 0.020
- Imperial Red #E63946 ΔE 0.026
- Neon Red #FF073A ΔE 0.028
- Cherry Red #F7022A ΔE 0.028
- Red Pink #FA2A55 ΔE 0.029
- Vermillion #F4320C ΔE 0.034
Use #F43340 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.