#213C91#213C91
#213C91 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.144 H 266.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).
Color values
| HEX | #213C91 |
|---|---|
| RGB | rgb(33, 60, 145) |
| HSL | hsl(226, 63%, 35%) |
| HSV | hsv(226, 77%, 57%) |
| CMYK | cmyk(77.2%, 58.6%, 0%, 43.1%) |
| CIE-LAB | lab(28.38, 21.76, -49.87) |
| CIE-LCH | lch(28.38, 54.41, 293.57°) |
| OKLab | oklab(39.06% -0.0093 -0.1439) |
| OKLCH | oklch(39.06% 0.144 266.3) |
| XYZ | xyz(7.3521, 5.5986, 27.4757) |
| Luminance | 0.0560 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.44
Cobalt (survey)
#1E488F
ΔE00 4.67
Cobalt
#0047AB
ΔE00 5.10
Darkish Blue
#014182
ΔE00 5.29
Blueberry
#464196
ΔE00 5.62
Twilight Blue
#0A437A
ΔE00 6.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213C91 #917621
analogous
#217491 #213C91 #3E2191
triadic
#213C91 #91213C #3C9121
tetradic
#213C91 #912174 #917621 #21913E
square
#213C91 #912174 #917621 #21913E
split-complementary
#213C91 #913E21 #749121
monochromatic
#0A132D #16275F #213C91 #2C51C3 #5474D8
Accessibility & contrast
On white
9.91
#213C91 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.12
#213C91 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213C91
9.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213C91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213C91 | 1.00 | 9.91 | 2.12 | 9.91 |
| #FFFFFF | 9.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004894
Deuteranopia (green-blind)
#003E8F
Tritanopia (blue-blind)
#005160
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #213c91; /* rgb */ color: rgb(33, 60, 145); /* oklch */ color: oklch(39.1% 0.144 266.3);
Tailwind
colors: {
custom: {
50: '#6e71b2',
500: '#213c91',
950: '#000000',
},
}SCSS
$custom: #213c91; $custom-light: #6e71b2; $custom-dark: #000000;
JSON
{
"hex": "#213c91",
"rgb": {
"r": 33,
"g": 60,
"b": 145
},
"hsl": {
"h": 225.536,
"s": 62.921,
"l": 34.902
},
"oklch": {
"l": 0.39064,
"c": 0.14423,
"h": 266.3
},
"luminance": 0.05599
}Semantic roles & 50–950 ramp
primary
#213C91
secondary
#BCA252
accent
#BE42E6
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080711
muted
#7B7A80