#FB4B55
Closest named color: Watermelon (#FD4659). oklch(66.6% 0.212 22.1), rgb(251, 75, 85).
Aa
Black text reads best on this color (6.23:1).
About this color
#FB4B55 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.212 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.010 away. Black text reads best on it, at 6.23:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #FB4B55 |
| RGB | rgb(251, 75, 85) |
| HSL | hsl(357, 96%, 64%) |
| OKLCH | oklch(66.6% 0.212 22.1) |
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 #FB4B55 | 3.36:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #FB4B55 | 6.23:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #FB4B55 text on white | 3.36:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #FB4B55 text on black | 6.23:1 | AA | Lc -41.9 | 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
#FEE3E1
oklch(93.7% 0.03 22.8)
-
Step 200
200
#FDCBC8
oklch(88.5% 0.057 22.3)
-
Step 300
300
#FDA6A2
oklch(81% 0.104 22.5)
-
Step 400
400
#F67070
oklch(70.6% 0.165 22.2)
-
Step 500
500 (this color)
#FB4B55
oklch(66.6% 0.212 22.1)
-
Step 600
600
#D70030
oklch(55.5% 0.224 22)
-
Step 700
700
#B60027
oklch(49% 0.197 22)
-
Step 800
800
#97001E
oklch(42.7% 0.172 22.2)
-
Step 900
900
#7A111D
oklch(37.6% 0.138 22)
-
Step 950
950
#480E12
oklch(27% 0.087 21.7)
#FB4B55 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) | #7C7454 | 0.230 |
| Deuteranopia (no green cones) | #A99A50 | 0.211 |
| Tritanopia (no blue cones) | #FF0B50 | 0.054 |
| Achromatopsia (no color) | #8C8C8C | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FB4B55
#FB4B55
oklch(66.6% 0.212 22.1)
- #00A8B2
#00A8B2
oklch(66.6% 0.113 202.3)
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 #FB4B55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.010
- Light Red #FF474C ΔE 0.011
- Grapefruit #FD5956 ΔE 0.024
- Coral Pink #FF6163 ΔE 0.037
- Strawberry #FB2943 ΔE 0.038
- Pinky Red #FC2647 ΔE 0.040
- Red Pink #FA2A55 ΔE 0.041
- Orangey Red #FA4224 ΔE 0.042
Use #FB4B55 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.