#356FB7#356FB7
#356FB7 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.9% C 0.128 H 255.2°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).
Color values
| HEX | #356FB7 |
|---|---|
| RGB | rgb(53, 111, 183) |
| HSL | hsl(213, 55%, 46%) |
| HSV | hsv(213, 71%, 72%) |
| CMYK | cmyk(71%, 39.3%, 0%, 28.2%) |
| CIE-LAB | lab(46.37, 5.49, -43.58) |
| CIE-LCH | lch(46.37, 43.92, 277.18°) |
| OKLab | oklab(53.89% -0.0328 -0.1242) |
| OKLCH | oklch(53.89% 0.128 255.2) |
| XYZ | xyz(15.6967, 15.5430, 46.9634) |
| Luminance | 0.1555 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 0.84
Mid Blue
#276AB3
ΔE00 2.13
Flat Blue
#3C73A8
ΔE00 2.52
French Blue
#436BAD
ΔE00 2.92
Bluish
#2976BB
ΔE00 3.42
Windows Blue
#3778BF
ΔE00 3.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#356FB7 #B77D35
analogous
#35B0B7 #356FB7 #3C35B7
triadic
#356FB7 #B7356F #6FB735
tetradic
#356FB7 #B735B0 #B77D35 #35B73C
square
#356FB7 #B735B0 #B77D35 #35B73C
split-complementary
#356FB7 #B73C35 #B0B735
monochromatic
#1A3558 #275288 #356FB7 #5A8ECF #89AFDD
Accessibility & contrast
On white
5.11
#356FB7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.11
#356FB7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #356FB7
5.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##356FB7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##356FB7 | 1.00 | 5.11 | 4.11 | 5.11 |
| #FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E74BA
Deuteranopia (green-blind)
#3A68B6
Tritanopia (blue-blind)
#00808A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #356fb7; /* rgb */ color: rgb(53, 111, 183); /* oklch */ color: oklch(53.9% 0.128 255.2);
Tailwind
colors: {
custom: {
50: '#7c97cd',
500: '#356fb7',
950: '#000000',
},
}SCSS
$custom: #356fb7; $custom-light: #7c97cd; $custom-dark: #000000;
JSON
{
"hex": "#356fb7",
"rgb": {
"r": 53,
"g": 111,
"b": 183
},
"hsl": {
"h": 213.231,
"s": 55.085,
"l": 46.275
},
"oklch": {
"l": 0.53886,
"c": 0.12846,
"h": 255.2
},
"luminance": 0.15545
}Semantic roles & 50–950 ramp
primary
#356FB7
secondary
#C7A881
accent
#9C49DE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0D13
muted
#7C7E82