#FF505E
Closest named color: Watermelon (#FD4659). oklch(67.9% 0.21 20.4), rgb(255, 80, 94).
Aa
Black text reads best on this color (6.56:1).
About this color
#FF505E is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.210 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.016 away. Black text reads best on it, at 6.56:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 6.56:1 |
| White text | 3.20:1 |
Values
| HEX | #FF505E |
| RGB | rgb(255, 80, 94) |
| HSL | hsl(355, 100%, 66%) |
| OKLCH | oklch(67.9% 0.21 20.4) |
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 #FF505E | 3.20:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #FF505E | 6.56:1 | AA | Lc 46.1 | Large or bold text, headings |
| #FF505E text on white | 3.20:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #FF505E text on black | 6.56:1 | AA | Lc -43.8 | 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)
#FF505E
oklch(67.9% 0.21 20.4)
-
Step 500
500
#FE0042
oklch(63.1% 0.253 20.3)
-
Step 600
600
#D70036
oklch(55.6% 0.223 20.4)
-
Step 700
700
#B6002C
oklch(49.1% 0.197 20.5)
-
Step 800
800
#970023
oklch(42.8% 0.172 20.4)
-
Step 900
900
#7F001C
oklch(37.7% 0.152 20.3)
-
Step 950
950
#4F000E
oklch(27% 0.109 20.1)
#FF505E 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) | #7F785D | 0.230 |
| Deuteranopia (no green cones) | #AC9D59 | 0.210 |
| Tritanopia (no blue cones) | #FF1E57 | 0.053 |
| Achromatopsia (no color) | #909090 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF505E
#FF505E
oklch(67.9% 0.21 20.4)
- #00ADB4
#00ADB4
oklch(67.9% 0.116 199.9)
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 #FF505E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.016
- Grapefruit #FD5956 ΔE 0.020
- Light Red #FF474C ΔE 0.020
- Coral Pink #FF6163 ΔE 0.027
- Warm Pink #FB5581 ΔE 0.045
- Paradise Pink #EF476F ΔE 0.046
- Tomato #FF6347 ΔE 0.048
- Red Pink #FA2A55 ΔE 0.049
Use #FF505E 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.