#FF4D5B
Closest named color: Watermelon (#FD4659). oklch(67.5% 0.213 20.8), rgb(255, 77, 91).
Aa
Black text reads best on this color (6.46:1).
About this color
#FF4D5B is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.213 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.011 away. Black text reads best on it, at 6.46:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.213) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 6.46:1 |
| White text | 3.24:1 |
Values
| HEX | #FF4D5B |
| RGB | rgb(255, 77, 91) |
| HSL | hsl(355, 100%, 65%) |
| OKLCH | oklch(67.5% 0.213 20.8) |
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 #FF4D5B | 3.24:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #FF4D5B | 6.46:1 | AA | Lc 45.6 | Large or bold text, headings |
| #FF4D5B text on white | 3.24:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #FF4D5B text on black | 6.46:1 | AA | Lc -43.2 | 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 400.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E1
oklch(93.6% 0.032 20.1)
-
Step 200
200
#FFCAC8
oklch(88.5% 0.061 20.9)
-
Step 300
300
#FFA4A3
oklch(80.9% 0.108 20.4)
-
Step 400
400 (this color)
#FF4D5B
oklch(67.5% 0.213 20.8)
-
Step 500
500
#FE0040
oklch(63% 0.253 20.8)
-
Step 600
600
#D70035
oklch(55.6% 0.223 20.7)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#970022
oklch(42.8% 0.172 20.8)
-
Step 900
900
#7F001B
oklch(37.7% 0.152 20.8)
-
Step 950
950
#4F000D
oklch(27% 0.109 20.8)
#FF4D5B 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) | #7E775A | 0.233 |
| Deuteranopia (no green cones) | #AB9D56 | 0.214 |
| Tritanopia (no blue cones) | #FF1254 | 0.055 |
| Achromatopsia (no color) | #8F8F8F | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF4D5B
#FF4D5B
oklch(67.5% 0.213 20.8)
- #00ABB3
#00ABB3
oklch(67.4% 0.115 200.7)
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 #FF4D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.011
- Light Red #FF474C ΔE 0.016
- Grapefruit #FD5956 ΔE 0.022
- Coral Pink #FF6163 ΔE 0.031
- Red Pink #FA2A55 ΔE 0.045
- Strawberry #FB2943 ΔE 0.045
- Pinky Red #FC2647 ΔE 0.045
- Paradise Pink #EF476F ΔE 0.046
Use #FF4D5B 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.