#356FCC#356FCC
#356FCC is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.157 H 259.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).
Color values
| HEX | #356FCC |
|---|---|
| RGB | rgb(53, 111, 204) |
| HSL | hsl(217, 60%, 50%) |
| HSV | hsv(217, 74%, 80%) |
| CMYK | cmyk(74%, 45.6%, 0%, 20%) |
| CIE-LAB | lab(47.60, 13.24, -53.71) |
| CIE-LCH | lch(47.60, 55.32, 283.85°) |
| OKLab | oklab(55.24% -0.0285 -0.154) |
| OKLCH | oklch(55.24% 0.157 259.5) |
| XYZ | xyz(18.0478, 16.4834, 59.3455) |
| Luminance | 0.1648 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 2.91
Cerulean Blue
#056EEE
ΔE00 3.46
French Blue
#436BAD
ΔE00 3.86
Windows Blue
#3778BF
ΔE00 4.02
Mid Blue
#276AB3
ΔE00 4.17
Flat Blue
#3C73A8
ΔE00 4.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#356FCC #CC9235
analogous
#35BACC #356FCC #4735CC
triadic
#356FCC #CC356F #6FCC35
tetradic
#356FCC #CC35BA #CC9235 #35CC47
square
#356FCC #CC35BA #CC9235 #35CC47
split-complementary
#356FCC #CC4735 #BACC35
monochromatic
#1B3A6B #27549C #356FCC #6692D8 #97B5E5
Accessibility & contrast
On white
4.89
#356FCC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.30
#356FCC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #356FCC
4.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##356FCC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##356FCC | 1.00 | 4.89 | 4.30 | 4.89 |
| #FFFFFF | 4.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F78D0
Deuteranopia (green-blind)
#1D6ACA
Tritanopia (blue-blind)
#008593
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #356fcc; /* rgb */ color: rgb(53, 111, 204); /* oklch */ color: oklch(55.2% 0.157 259.5);
Tailwind
colors: {
custom: {
50: '#8097dc',
500: '#356fcc',
950: '#000000',
},
}SCSS
$custom: #356fcc; $custom-light: #8097dc; $custom-dark: #000000;
JSON
{
"hex": "#356fcc",
"rgb": {
"r": 53,
"g": 111,
"b": 204
},
"hsl": {
"h": 216.954,
"s": 59.684,
"l": 50.392
},
"oklch": {
"l": 0.5524,
"c": 0.15659,
"h": 259.5
},
"luminance": 0.16485
}Semantic roles & 50–950 ramp
primary
#356FCC
secondary
#D0B68D
accent
#A645E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83