#557DAC#557DAC
#557DAC is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.086 H 253.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).
Color values
| HEX | #557DAC |
|---|---|
| RGB | rgb(85, 125, 172) |
| HSL | hsl(212, 34%, 50%) |
| HSV | hsv(212, 51%, 67%) |
| CMYK | cmyk(50.6%, 27.3%, 0%, 32.5%) |
| CIE-LAB | lab(51.35, -0.43, -29.26) |
| CIE-LCH | lch(51.35, 29.26, 269.16°) |
| OKLab | oklab(58% -0.0248 -0.0819) |
| OKLCH | oklch(58% 0.086 253.2) |
| XYZ | xyz(18.5238, 19.5757, 41.8241) |
| Luminance | 0.1958 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Off Blue
#5684AE
ΔE00 3.07
Steel Blue
#4682B4
ΔE00 3.82
Dusty Blue
#5A86AD
ΔE00 3.83
Cool Blue
#4984B8
ΔE00 3.95
Windows Blue
#3778BF
ΔE00 4.11
Stormy Blue
#507B9C
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#557DAC #AC8455
analogous
#55A8AC #557DAC #5955AC
triadic
#557DAC #AC557D #7DAC55
tetradic
#557DAC #AC55A8 #AC8455 #55AC59
square
#557DAC #AC55A8 #AC8455 #55AC59
split-complementary
#557DAC #AC5955 #A8AC55
monochromatic
#2C415A #405F84 #557DAC #7E9CC0 #A7BCD4
Accessibility & contrast
On white
4.27
#557DAC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.92
#557DAC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #557DAC
4.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##557DAC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##557DAC | 1.00 | 4.27 | 4.92 | 4.92 |
| #FFFFFF | 4.27 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.92 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.92 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A7FAE
Deuteranopia (green-blind)
#6077AB
Tritanopia (blue-blind)
#2B888D
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #557dac; /* rgb */ color: rgb(85, 125, 172); /* oklch */ color: oklch(58.0% 0.086 253.2);
Tailwind
colors: {
custom: {
50: '#8aa2c5',
500: '#557dac',
950: '#000000',
},
}SCSS
$custom: #557dac; $custom-light: #8aa2c5; $custom-dark: #000000;
JSON
{
"hex": "#557dac",
"rgb": {
"r": 85,
"g": 125,
"b": 172
},
"hsl": {
"h": 212.414,
"s": 34.387,
"l": 50.392
},
"oklch": {
"l": 0.58001,
"c": 0.08558,
"h": 253.2
},
"luminance": 0.19577
}Semantic roles & 50–950 ramp
primary
#557DAC
secondary
#C2B09B
accent
#985DCA
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0F13
muted
#7D7E82