#FF638B
Closest named color: Rosy Pink (#F6688E). oklch(70.9% 0.192 7.7), rgb(255, 99, 139).
Aa
Black text reads best on this color (7.40:1).
About this color
#FF638B is a medium-light, vivid pink. In OKLCH its lightness is 71%, its chroma 0.192 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Rosy Pink (#F6688E), ΔE 0.017 away. Black text reads best on it, at 7.40:1.
| Hue family | Pinks |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Rosy Pink (#F6688E) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #FF638B |
| RGB | rgb(255, 99, 139) |
| HSL | hsl(345, 100%, 69%) |
| OKLCH | oklch(70.9% 0.192 7.7) |
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 #FF638B | 2.83:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #FF638B | 7.40:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #FF638B text on white | 2.83:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #FF638B text on black | 7.40:1 | AAA | Lc -48.3 | Large or bold text, headings |
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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FFE1E6
oklch(93.6% 0.034 6.4)
-
Step 200
200
#FFC9D1
oklch(88.6% 0.062 8.5)
-
Step 300
300
#FFA2B3
oklch(81% 0.112 8)
-
Step 400
400 (this color)
#FF638B
oklch(70.9% 0.192 7.7)
-
Step 500
500
#F7176E
oklch(63.1% 0.245 7.6)
-
Step 600
600
#D3005B
oklch(55.6% 0.223 7.6)
-
Step 700
700
#B3004C
oklch(49.1% 0.197 7.6)
-
Step 800
800
#94003D
oklch(42.7% 0.171 7.9)
-
Step 900
900
#7D0033
oklch(37.8% 0.151 7.5)
-
Step 950
950
#4B051D
oklch(27% 0.101 7.9)
#FF638B 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) | #84868C | 0.212 |
| Deuteranopia (no green cones) | #ADA587 | 0.195 |
| Tritanopia (no blue cones) | #FF4E72 | 0.040 |
| Achromatopsia (no color) | #999999 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF638B
#FF638B
oklch(70.9% 0.192 7.7)
- #00B9AF
#00B9AF
oklch(70.8% 0.123 188)
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 #FF638B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rosy Pink #F6688E ΔE 0.017
- Warm Pink #FB5581 ΔE 0.027
- Medium Pink #F36196 ΔE 0.029
- Carnation #FD798F ΔE 0.042
- Bubble Gum Pink #FF69AF ΔE 0.049
- Coral Pink #FF6163 ΔE 0.052
- Hot Pink #FF69B4 ΔE 0.057
- Carnation Pink #FF7FA7 ΔE 0.057
Use #FF638B 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.