#557CC2#557CC2
#557CC2 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.117 H 261.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #557CC2 |
|---|---|
| RGB | rgb(85, 124, 194) |
| HSL | hsl(219, 47%, 55%) |
| HSV | hsv(219, 56%, 76%) |
| CMYK | cmyk(56.2%, 36.1%, 0%, 23.9%) |
| CIE-LAB | lab(52.11, 7.20, -40.73) |
| CIE-LCH | lch(52.11, 41.36, 280.03°) |
| OKLab | oklab(58.93% -0.0174 -0.1152) |
| OKLCH | oklch(58.93% 0.117 261.4) |
| XYZ | xyz(20.6882, 20.2400, 53.8450) |
| Luminance | 0.2024 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Windows Blue
#3778BF
ΔE00 4.65
Off Blue
#5684AE
ΔE00 4.88
Cornflower Blue
#5170D7
ΔE00 4.97
Cool Blue
#4984B8
ΔE00 5.44
Dusty Blue
#5A86AD
ΔE00 5.44
Steel Blue
#4682B4
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#557CC2 #C29B55
analogous
#55B3C2 #557CC2 #6555C2
triadic
#557CC2 #C2557C #7CC255
tetradic
#557CC2 #C255B3 #C29B55 #55C265
square
#557CC2 #C255B3 #C29B55 #55C265
split-complementary
#557CC2 #C26555 #B3C255
monochromatic
#294473 #3A5EA0 #557CC2 #829FD2 #AFC1E2
Accessibility & contrast
On white
4.16
#557CC2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#557CC2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #557CC2
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##557CC2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##557CC2 | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F82C5
Deuteranopia (green-blind)
#5278C1
Tritanopia (blue-blind)
#078B96
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #557cc2; /* rgb */ color: rgb(85, 124, 194); /* oklch */ color: oklch(58.9% 0.117 261.4);
Tailwind
colors: {
custom: {
50: '#8da1d5',
500: '#557cc2',
950: '#000000',
},
}SCSS
$custom: #557cc2; $custom-light: #8da1d5; $custom-dark: #000000;
JSON
{
"hex": "#557cc2",
"rgb": {
"r": 85,
"g": 124,
"b": 194
},
"hsl": {
"h": 218.532,
"s": 47.186,
"l": 54.706
},
"oklch": {
"l": 0.58931,
"c": 0.11652,
"h": 261.4
},
"luminance": 0.20242
}Semantic roles & 50–950 ramp
primary
#557CC2
secondary
#D0C0A2
accent
#A751D7
background
#F9F9FD
surface
#F1F2FA
border
#CBCCD3
text
#0D0E14
muted
#7E7E83