#FF3A43
Closest named color: Light Red (#FF474C). oklch(65.5% 0.231 24.4), rgb(255, 58, 67).
Aa
Black text reads best on this color (5.93:1).
About this color
#FF3A43 is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.231 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Light Red (#FF474C), ΔE 0.016 away. Black text reads best on it, at 5.93:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.231) |
| Temperature | warm |
| Nearest name | Light Red (#FF474C) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #FF3A43 |
| RGB | rgb(255, 58, 67) |
| HSL | hsl(357, 100%, 61%) |
| OKLCH | oklch(65.5% 0.231 24.4) |
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 #FF3A43 | 3.53:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #FF3A43 | 5.93:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #FF3A43 text on white | 3.53:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #FF3A43 text on black | 5.93:1 | AA | Lc -40.5 | 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
#FFE2DF
oklch(93.6% 0.032 24.8)
-
Step 200
200
#FFCAC6
oklch(88.4% 0.061 23.4)
-
Step 300
300
#FFA59E
oklch(80.9% 0.108 24.6)
-
Step 400
400
#FD6A66
oklch(70.7% 0.181 24.4)
-
Step 500
500 (this color)
#FF3A43
oklch(65.5% 0.231 24.4)
-
Step 600
600
#D80026
oklch(55.6% 0.225 24.4)
-
Step 700
700
#B7001F
oklch(49.1% 0.199 24.3)
-
Step 800
800
#970017
oklch(42.6% 0.173 24.5)
-
Step 900
900
#7F0313
oklch(37.8% 0.151 24.4)
-
Step 950
950
#4B0A0D
oklch(27.1% 0.095 24.3)
#FF3A43 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) | #776D41 | 0.252 |
| Deuteranopia (no green cones) | #A8973B | 0.229 |
| Tritanopia (no blue cones) | #FF0040 | 0.036 |
| Achromatopsia (no color) | #888888 | 0.233 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF3A43
#FF3A43
oklch(65.5% 0.231 24.4)
- #00A4B0
#00A4B0
oklch(65.5% 0.112 204)
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 #FF3A43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Red #FF474C ΔE 0.016
- Strawberry #FB2943 ΔE 0.021
- Watermelon #FD4659 ΔE 0.024
- Pinky Red #FC2647 ΔE 0.024
- Orangey Red #FA4224 ΔE 0.031
- Neon Red #FF073A ΔE 0.033
- Red Pink #FA2A55 ΔE 0.034
- Red Orange #FD3C06 ΔE 0.038
Use #FF3A43 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.