#356FB3#356FB3
#356FB3 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.123 H 254.1°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).
Color values
| HEX | #356FB3 |
|---|---|
| RGB | rgb(53, 111, 179) |
| HSL | hsl(212, 54%, 45%) |
| HSV | hsv(212, 70%, 70%) |
| CMYK | cmyk(70.4%, 38%, 0%, 29.8%) |
| CIE-LAB | lab(46.15, 4.03, -41.60) |
| CIE-LCH | lch(46.15, 41.80, 275.53°) |
| OKLab | oklab(53.64% -0.0338 -0.1184) |
| OKLCH | oklch(53.64% 0.123 254.1) |
| XYZ | xyz(15.2863, 15.3788, 44.8019) |
| Luminance | 0.1538 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 0.91
Mid Blue
#276AB3
ΔE00 1.93
Flat Blue
#3C73A8
ΔE00 2.17
French Blue
#436BAD
ΔE00 3.02
Muted Blue
#3B719F
ΔE00 3.10
Bluish
#2976BB
ΔE00 3.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#356FB3 #B37935
analogous
#35AEB3 #356FB3 #3A35B3
triadic
#356FB3 #B3356F #6FB335
tetradic
#356FB3 #B335AE #B37935 #35B33A
square
#356FB3 #B335AE #B37935 #35B33A
split-complementary
#356FB3 #B33A35 #AEB335
monochromatic
#193455 #275284 #356FB3 #588ECD #87AEDB
Accessibility & contrast
On white
5.15
#356FB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.08
#356FB3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #356FB3
5.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##356FB3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##356FB3 | 1.00 | 5.15 | 4.08 | 5.15 |
| #FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5074B6
Deuteranopia (green-blind)
#3D68B2
Tritanopia (blue-blind)
#007F88
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #356fb3; /* rgb */ color: rgb(53, 111, 179); /* oklch */ color: oklch(53.6% 0.123 254.1);
Tailwind
colors: {
custom: {
50: '#7b97ca',
500: '#356fb3',
950: '#000000',
},
}SCSS
$custom: #356fb3; $custom-light: #7b97ca; $custom-dark: #000000;
JSON
{
"hex": "#356fb3",
"rgb": {
"r": 53,
"g": 111,
"b": 179
},
"hsl": {
"h": 212.381,
"s": 54.31,
"l": 45.49
},
"oklch": {
"l": 0.53642,
"c": 0.12313,
"h": 254.1
},
"luminance": 0.1538
}Semantic roles & 50–950 ramp
primary
#356FB3
secondary
#C5A57F
accent
#9A4ADE
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0D13
muted
#7C7E82