#FB4B5B
Closest named color: Watermelon (#FD4659). oklch(66.7% 0.211 20.2), rgb(251, 75, 91).
Aa
Black text reads best on this color (6.25:1).
About this color
#FB4B5B is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.211 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.007 away. Black text reads best on it, at 6.25:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #FB4B5B |
| RGB | rgb(251, 75, 91) |
| HSL | hsl(355, 96%, 64%) |
| OKLCH | oklch(66.7% 0.211 20.2) |
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 #FB4B5B | 3.35:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #FB4B5B | 6.25:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #FB4B5B text on white | 3.35:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #FB4B5B text on black | 6.25:1 | AA | Lc -42.0 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FEE2E2
oklch(93.6% 0.031 17.7)
-
Step 200
200
#FDCBC9
oklch(88.5% 0.057 21)
-
Step 300
300
#FCA6A5
oklch(80.9% 0.102 20.3)
-
Step 400
400
#F67074
oklch(70.7% 0.165 20.4)
-
Step 500
500 (this color)
#FB4B5B
oklch(66.7% 0.211 20.2)
-
Step 600
600
#D70037
oklch(55.6% 0.223 20.1)
-
Step 700
700
#B6002D
oklch(49.1% 0.197 20.1)
-
Step 800
800
#970024
oklch(42.8% 0.172 20)
-
Step 900
900
#7A1120
oklch(37.7% 0.137 20.4)
-
Step 950
950
#480E13
oklch(27% 0.087 20.7)
#FB4B5B 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) | #7B745A | 0.231 |
| Deuteranopia (no green cones) | #A89A56 | 0.212 |
| Tritanopia (no blue cones) | #FF1052 | 0.051 |
| Achromatopsia (no color) | #8C8C8C | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FB4B5B
#FB4B5B
oklch(66.7% 0.211 20.2)
- #00A9B0
#00A9B0
oklch(66.8% 0.114 200)
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 #FB4B5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.007
- Light Red #FF474C ΔE 0.017
- Grapefruit #FD5956 ΔE 0.027
- Coral Pink #FF6163 ΔE 0.037
- Red Pink #FA2A55 ΔE 0.039
- Paradise Pink #EF476F ΔE 0.039
- Strawberry #FB2943 ΔE 0.040
- Pinky Red #FC2647 ΔE 0.040
Use #FB4B5B 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.