#F31388
Closest named color: Neon Pink (#F72585). oklch(63% 0.25 358.2), rgb(243, 19, 136).
Aa
Black text reads best on this color (5.25:1).
About this color
#F31388 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.250 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Neon Pink (#F72585), ΔE 0.018 away. Black text reads best on it, at 5.25:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.250) |
| Temperature | warm |
| Nearest name | Neon Pink (#F72585) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #F31388 |
| RGB | rgb(243, 19, 136) |
| HSL | hsl(329, 90%, 51%) |
| OKLCH | oklch(63% 0.25 358.2) |
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 #F31388 | 3.99:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #F31388 | 5.25:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #F31388 text on white | 3.99:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #F31388 text on black | 5.25:1 | AA | Lc -36.8 | 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 500.
-
Step 50
50
#FFF1F5
oklch(97% 0.016 358)
-
Step 100
100
#FFE1EA
oklch(93.7% 0.035 357.7)
-
Step 200
200
#FFC8D9
oklch(88.6% 0.066 358.1)
-
Step 300
300
#FF9FC0
oklch(80.8% 0.12 358)
-
Step 400
400
#FB61A0
oklch(70.7% 0.196 358)
-
Step 500
500 (this color)
#F31388
oklch(63% 0.25 358.2)
-
Step 600
600
#CF0072
oklch(55.5% 0.226 358.2)
-
Step 700
700
#B00060
oklch(49.2% 0.2 358.2)
-
Step 800
800
#91004E
oklch(42.7% 0.174 358.2)
-
Step 900
900
#7A0041
oklch(37.7% 0.153 358)
-
Step 950
950
#4A0426
oklch(27% 0.104 358.2)
#F31388 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) | #56668A | 0.286 |
| Deuteranopia (no green cones) | #908D83 | 0.253 |
| Tritanopia (no blue cones) | #FF0052 | 0.079 |
| Achromatopsia (no color) | #7F7F7F | 0.253 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F31388
#F31388
oklch(63% 0.25 358.2)
- #00A089
#00A089
oklch(63.1% 0.116 177.6)
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 #F31388, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Pink #F72585 ΔE 0.018
- Strong Pink #FF0789 ΔE 0.023
- Electric Pink #FF0490 ΔE 0.025
- Deep Pink #FF1493 ΔE 0.027
- Shocking Pink #FE02A2 ΔE 0.043
- Rose #FF006E ΔE 0.045
- Barbie Pink #FE46A5 ΔE 0.062
- Bright Pink #FE01B1 ΔE 0.064
Use #F31388 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.