#599BC4#599BC4
#599BC4 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.2% C 0.091 H 237.6°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).
Color values
| HEX | #599BC4 |
|---|---|
| RGB | rgb(89, 155, 196) |
| HSL | hsl(203, 48%, 56%) |
| HSV | hsv(203, 55%, 77%) |
| CMYK | cmyk(54.6%, 20.9%, 0%, 23.1%) |
| CIE-LAB | lab(61.26, -9.29, -27.56) |
| CIE-LCH | lch(61.26, 29.08, 251.37°) |
| OKLab | oklab(66.2% -0.0489 -0.0769) |
| OKLCH | oklch(66.2% 0.091 237.6) |
| XYZ | xyz(25.8013, 29.5498, 56.5579) |
| Luminance | 0.2955 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.64
Azure (survey)
#069AF3
ΔE00 6.67
Faded Blue
#658CBB
ΔE00 7.40
Dark Sky Blue
#448EE4
ΔE00 7.57
Dusty Blue
#5A86AD
ΔE00 7.59
Off Blue
#5684AE
ΔE00 8.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#599BC4 #C48259
analogous
#59C4B8 #599BC4 #5965C4
triadic
#599BC4 #C4599B #9BC459
tetradic
#599BC4 #B859C4 #C48259 #65C459
square
#599BC4 #B859C4 #C48259 #65C459
split-complementary
#599BC4 #C45965 #C4B859
monochromatic
#2B5A78 #3B7CA5 #599BC4 #86B6D4 #B3D1E4
Accessibility & contrast
On white
3.04
#599BC4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.91
#599BC4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #599BC4
6.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##599BC4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##599BC4 | 1.00 | 3.04 | 6.91 | 6.91 |
| #FFFFFF | 3.04 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#889AC6
Deuteranopia (green-blind)
#7A8FC3
Tritanopia (blue-blind)
#05A5A9
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #599bc4; /* rgb */ color: rgb(89, 155, 196); /* oklch */ color: oklch(66.2% 0.091 237.6);
Tailwind
colors: {
custom: {
50: '#8fb8d6',
500: '#599bc4',
950: '#000000',
},
}SCSS
$custom: #599bc4; $custom-light: #8fb8d6; $custom-dark: #000000;
JSON
{
"hex": "#599bc4",
"rgb": {
"r": 89,
"g": 155,
"b": 196
},
"hsl": {
"h": 202.991,
"s": 47.556,
"l": 55.882
},
"oklch": {
"l": 0.66201,
"c": 0.09111,
"h": 237.6
},
"luminance": 0.29552
}Semantic roles & 50–950 ramp
primary
#599BC4
secondary
#D3B7A6
accent
#8451D7
background
#F9FBFD
surface
#F1F6FA
border
#CBD0D3
text
#0D1114
muted
#7E8083