#356FAB#356FAB
#356FAB is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.113 H 251.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).
Color values
| HEX | #356FAB |
|---|---|
| RGB | rgb(53, 111, 171) |
| HSL | hsl(211, 53%, 44%) |
| HSV | hsv(211, 69%, 67%) |
| CMYK | cmyk(69%, 35.1%, 0%, 32.9%) |
| CIE-LAB | lab(45.72, 1.12, -37.61) |
| CIE-LCH | lch(45.72, 37.63, 271.71°) |
| OKLab | oklab(53.17% -0.0359 -0.1067) |
| OKLCH | oklch(53.17% 0.113 251.4) |
| XYZ | xyz(14.5006, 15.0645, 40.6637) |
| Luminance | 0.1507 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.61
Medium Blue
#2C6FBB
ΔE00 1.70
Mid Blue
#276AB3
ΔE00 2.01
Muted Blue
#3B719F
ΔE00 2.16
Bluish
#2976BB
ΔE00 3.19
French Blue
#436BAD
ΔE00 3.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#356FAB #AB7135
analogous
#35AAAB #356FAB #3635AB
triadic
#356FAB #AB356F #6FAB35
tetradic
#356FAB #AB35AA #AB7135 #35AB36
square
#356FAB #AB35AA #AB7135 #35AB36
split-complementary
#356FAB #AB3635 #AAAB35
monochromatic
#18324E #27517C #356FAB #538ECA #82ACD8
Accessibility & contrast
On white
5.23
#356FAB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.01
#356FAB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #356FAB
5.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##356FAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##356FAB | 1.00 | 5.23 | 4.01 | 5.23 |
| #FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5472AE
Deuteranopia (green-blind)
#4467AA
Tritanopia (blue-blind)
#007D85
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #356fab; /* rgb */ color: rgb(53, 111, 171); /* oklch */ color: oklch(53.2% 0.113 251.4);
Tailwind
colors: {
custom: {
50: '#7a98c4',
500: '#356fab',
950: '#000000',
},
}SCSS
$custom: #356fab; $custom-light: #7a98c4; $custom-dark: #000000;
JSON
{
"hex": "#356fab",
"rgb": {
"r": 53,
"g": 111,
"b": 171
},
"hsl": {
"h": 210.508,
"s": 52.679,
"l": 43.922
},
"oklch": {
"l": 0.5317,
"c": 0.1126,
"h": 251.4
},
"luminance": 0.15066
}Semantic roles & 50–950 ramp
primary
#356FAB
secondary
#C29F7A
accent
#954CDC
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D12
muted
#7C7E81