#356CB1#356CB1
#356CB1 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.8% C 0.124 H 255.3°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).
Color values
| HEX | #356CB1 |
|---|---|
| RGB | rgb(53, 108, 177) |
| HSL | hsl(213, 54%, 45%) |
| HSV | hsv(213, 70%, 69%) |
| CMYK | cmyk(70.1%, 39%, 0%, 30.6%) |
| CIE-LAB | lab(45.16, 5.16, -42.01) |
| CIE-LCH | lch(45.16, 42.33, 277.01°) |
| OKLab | oklab(52.83% -0.0313 -0.1196) |
| OKLCH | oklch(52.83% 0.124 255.3) |
| XYZ | xyz(14.7637, 14.6548, 43.6370) |
| Luminance | 0.1466 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 1.37
Medium Blue
#2C6FBB
ΔE00 1.70
French Blue
#436BAD
ΔE00 2.28
Flat Blue
#3C73A8
ΔE00 3.04
Muted Blue
#3B719F
ΔE00 3.57
Denim
#1560BD
ΔE00 4.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#356CB1 #B17A35
analogous
#35AAB1 #356CB1 #3C35B1
triadic
#356CB1 #B1356C #6CB135
tetradic
#356CB1 #B135AA #B17A35 #35B13C
square
#356CB1 #B135AA #B17A35 #35B13C
split-complementary
#356CB1 #B13C35 #AAB135
monochromatic
#193353 #274F82 #356CB1 #578BCD #86ABDB
Accessibility & contrast
On white
5.34
#356CB1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.93
#356CB1 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #356CB1
5.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##356CB1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##356CB1 | 1.00 | 5.34 | 3.93 | 5.34 |
| #FFFFFF | 5.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.93 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C71B4
Deuteranopia (green-blind)
#3A66B0
Tritanopia (blue-blind)
#007C86
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #356cb1; /* rgb */ color: rgb(53, 108, 177); /* oklch */ color: oklch(52.8% 0.124 255.3);
Tailwind
colors: {
custom: {
50: '#7b95c9',
500: '#356cb1',
950: '#000000',
},
}SCSS
$custom: #356cb1; $custom-light: #7b95c9; $custom-dark: #000000;
JSON
{
"hex": "#356cb1",
"rgb": {
"r": 53,
"g": 108,
"b": 177
},
"hsl": {
"h": 213.387,
"s": 53.913,
"l": 45.098
},
"oklch": {
"l": 0.52834,
"c": 0.12368,
"h": 255.3
},
"luminance": 0.14656
}Semantic roles & 50–950 ramp
primary
#356CB1
secondary
#C4A57D
accent
#9C4BDD
background
#F8F9FC
surface
#EFF1F8
border
#CACBD1
text
#0A0D13
muted
#7C7E82