#5F99BC#5F99BC
#5F99BC is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.080 H 236.3°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #5F99BC |
|---|---|
| RGB | rgb(95, 153, 188) |
| HSL | hsl(203, 41%, 55%) |
| HSV | hsv(203, 49%, 74%) |
| CMYK | cmyk(49.5%, 18.6%, 0%, 26.3%) |
| CIE-LAB | lab(60.64, -9.22, -23.99) |
| CIE-LCH | lch(60.64, 25.70, 248.99°) |
| OKLab | oklab(65.68% -0.0445 -0.0667) |
| OKLCH | oklch(65.68% 0.08 236.3) |
| XYZ | xyz(25.1844, 28.8443, 51.8076) |
| Luminance | 0.2885 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.52
Dusty Blue
#5A86AD
ΔE00 7.04
Faded Blue
#658CBB
ΔE00 7.13
Blue Grey
#758DA3
ΔE00 7.40
Off Blue
#5684AE
ΔE00 7.83
Bluegrey
#85A3B2
ΔE00 7.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5F99BC #BC825F
analogous
#5FBCB1 #5F99BC #5F6ABC
triadic
#5F99BC #BC5F99 #99BC5F
tetradic
#5F99BC #B15FBC #BC825F #6ABC5F
square
#5F99BC #B15FBC #BC825F #6ABC5F
split-complementary
#5F99BC #BC5F6A #BCB15F
monochromatic
#2F5871 #417A9C #5F99BC #8AB4CE #B5D0E0
Accessibility & contrast
On white
3.10
#5F99BC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.77
#5F99BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5F99BC
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5F99BC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5F99BC | 1.00 | 3.10 | 6.77 | 6.77 |
| #FFFFFF | 3.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8998BE
Deuteranopia (green-blind)
#7C8EBB
Tritanopia (blue-blind)
#30A2A4
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #5f99bc; /* rgb */ color: rgb(95, 153, 188); /* oklch */ color: oklch(65.7% 0.080 236.3);
Tailwind
colors: {
custom: {
50: '#92b7d0',
500: '#5f99bc',
950: '#000000',
},
}SCSS
$custom: #5f99bc; $custom-light: #92b7d0; $custom-dark: #000000;
JSON
{
"hex": "#5f99bc",
"rgb": {
"r": 95,
"g": 153,
"b": 188
},
"hsl": {
"h": 202.581,
"s": 40.969,
"l": 55.49
},
"oklch": {
"l": 0.65681,
"c": 0.08015,
"h": 236.3
},
"luminance": 0.28846
}Semantic roles & 50–950 ramp
primary
#5F99BC
secondary
#CFB7A8
accent
#8557D1
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0D1114
muted
#7E8082