#579DBC#579DBC
#579DBC is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.2% C 0.084 H 228.7°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).
Color values
| HEX | #579DBC |
|---|---|
| RGB | rgb(87, 157, 188) |
| HSL | hsl(198, 43%, 54%) |
| HSV | hsv(198, 54%, 74%) |
| CMYK | cmyk(53.7%, 16.5%, 0%, 26.3%) |
| CIE-LAB | lab(61.45, -13.23, -22.78) |
| CIE-LCH | lch(61.45, 26.35, 239.85°) |
| OKLab | oklab(66.23% -0.0556 -0.0633) |
| OKLCH | oklch(66.23% 0.084 228.7) |
| XYZ | xyz(25.0611, 29.7688, 51.9925) |
| Luminance | 0.2977 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 4.99
Bluegrey
#85A3B2
ΔE00 7.93
Bluey Grey
#89A0B0
ΔE00 9.20
Blue Grey
#758DA3
ΔE00 9.44
Dusty Blue
#5A86AD
ΔE00 9.47
Dirty Blue
#3F829D
ΔE00 9.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#579DBC #BC7657
analogous
#57BCA9 #579DBC #576BBC
triadic
#579DBC #BC579D #9DBC57
tetradic
#579DBC #A957BC #BC7657 #6BBC57
square
#579DBC #A957BC #BC7657 #6BBC57
split-complementary
#579DBC #BC576B #BCA957
monochromatic
#2C596D #3D7D99 #579DBC #83B7CD #AFD0DF
Accessibility & contrast
On white
3.02
#579DBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.95
#579DBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #579DBC
6.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##579DBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##579DBC | 1.00 | 3.02 | 6.95 | 6.95 |
| #FFFFFF | 3.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D9BBE
Deuteranopia (green-blind)
#7F90BC
Tritanopia (blue-blind)
#0DA6A7
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #579dbc; /* rgb */ color: rgb(87, 157, 188); /* oklch */ color: oklch(66.2% 0.084 228.7);
Tailwind
colors: {
custom: {
50: '#8ebad0',
500: '#579dbc',
950: '#000000',
},
}SCSS
$custom: #579dbc; $custom-light: #8ebad0; $custom-dark: #000000;
JSON
{
"hex": "#579dbc",
"rgb": {
"r": 87,
"g": 157,
"b": 188
},
"hsl": {
"h": 198.416,
"s": 42.979,
"l": 53.922
},
"oklch": {
"l": 0.66227,
"c": 0.08425,
"h": 228.7
},
"luminance": 0.29771
}Semantic roles & 50–950 ramp
primary
#579DBC
secondary
#CDAFA2
accent
#7C55D3
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1114
muted
#7E8082