#F55557
Closest named color: Grapefruit (#FD5956). oklch(66.7% 0.196 23.5), rgb(245, 85, 87).
Aa
Black text reads best on this color (6.31:1).
About this color
#F55557 is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.196 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.018 away. Black text reads best on it, at 6.31:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Grapefruit (#FD5956) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #F55557 |
| RGB | rgb(245, 85, 87) |
| HSL | hsl(359, 89%, 65%) |
| OKLCH | oklch(66.7% 0.196 23.5) |
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 #F55557 | 3.32:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #F55557 | 6.31:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #F55557 text on white | 3.32:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #F55557 text on black | 6.31:1 | AA | Lc -42.1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC8
oklch(88.5% 0.054 23.9)
-
Step 300
300
#F9A8A3
oklch(80.9% 0.097 23.3)
-
Step 400
400
#F17572
oklch(70.7% 0.154 23.2)
-
Step 500
500 (this color)
#F55557
oklch(66.7% 0.196 23.5)
-
Step 600
600
#D31A2F
oklch(55.5% 0.213 23.6)
-
Step 700
700
#B70122
oklch(49.2% 0.198 23.6)
-
Step 800
800
#940E1E
oklch(42.6% 0.164 23.4)
-
Step 900
900
#77191E
oklch(37.7% 0.128 23.3)
-
Step 950
950
#461112
oklch(26.9% 0.081 23.4)
#F55557 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) | #807756 | 0.210 |
| Deuteranopia (no green cones) | #A89A53 | 0.195 |
| Tritanopia (no blue cones) | #FF2E57 | 0.050 |
| Achromatopsia (no color) | #8D8D8D | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F55557
#F55557
oklch(66.7% 0.196 23.5)
- #00A8B4
#00A8B4
oklch(66.7% 0.114 203.8)
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 #F55557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grapefruit #FD5956 ΔE 0.018
- Light Red #FF474C ΔE 0.024
- Watermelon #FD4659 ΔE 0.025
- Coral Pink #FF6163 ΔE 0.031
- Tomato #FF6347 ΔE 0.042
- Orangey Red #FA4224 ΔE 0.045
- Paradise Pink #EF476F ΔE 0.048
- Pastel Red #DB5856 ΔE 0.048
Use #F55557 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.