#F5515B
Closest named color: Watermelon (#FD4659). oklch(66.3% 0.2 21.1), rgb(245, 81, 91).
Aa
Black text reads best on this color (6.21:1).
About this color
#F5515B is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.200 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.019 away. Black text reads best on it, at 6.21:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 6.21:1 |
| White text | 3.38:1 |
Values
| HEX | #F5515B |
| RGB | rgb(245, 81, 91) |
| HSL | hsl(356, 89%, 64%) |
| OKLCH | oklch(66.3% 0.2 21.1) |
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 #F5515B | 3.38:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #F5515B | 6.21:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #F5515B text on white | 3.38:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #F5515B text on black | 6.21:1 | AA | Lc -41.5 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F9A7A5
oklch(80.8% 0.098 21)
-
Step 400
400
#F27475
oklch(70.7% 0.155 21.4)
-
Step 500
500 (this color)
#F5515B
oklch(66.3% 0.2 21.1)
-
Step 600
600
#D51236
oklch(55.7% 0.217 21.1)
-
Step 700
700
#B6002A
oklch(49.1% 0.197 21.1)
-
Step 800
800
#950823
oklch(42.7% 0.167 21)
-
Step 900
900
#781721
oklch(37.7% 0.131 21.1)
-
Step 950
950
#471014
oklch(27% 0.083 20.8)
#F5515B 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) | #7D765A | 0.216 |
| Deuteranopia (no green cones) | #A69856 | 0.199 |
| Tritanopia (no blue cones) | #FF2756 | 0.048 |
| Achromatopsia (no color) | #8C8C8C | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F5515B
#F5515B
oklch(66.3% 0.2 21.1)
- #00A7B0
#00A7B0
oklch(66.3% 0.113 201.6)
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 #F5515B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.019
- Light Red #FF474C ΔE 0.023
- Grapefruit #FD5956 ΔE 0.025
- Coral Pink #FF6163 ΔE 0.036
- Paradise Pink #EF476F ΔE 0.039
- Red Pink #FA2A55 ΔE 0.046
- Strawberry #FB2943 ΔE 0.046
- Pinky Red #FC2647 ΔE 0.047
Use #F5515B 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.