#213B90#213B90
#213B90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.144 H 266.6°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).
Color values
| HEX | #213B90 |
|---|---|
| RGB | rgb(33, 59, 144) |
| HSL | hsl(226, 63%, 35%) |
| HSV | hsv(226, 77%, 56%) |
| CMYK | cmyk(77.1%, 59%, 0%, 43.5%) |
| CIE-LAB | lab(28.02, 22.06, -49.84) |
| CIE-LCH | lch(28.02, 54.50, 293.87°) |
| OKLab | oklab(38.77% -0.0086 -0.1438) |
| OKLCH | oklch(38.77% 0.144 266.6) |
| XYZ | xyz(7.2234, 5.4641, 27.0541) |
| Luminance | 0.0546 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.43
Cobalt (survey)
#1E488F
ΔE00 4.97
Cobalt
#0047AB
ΔE00 5.41
Darkish Blue
#014182
ΔE00 5.46
Blueberry
#464196
ΔE00 5.62
Darkslateblue
#483D8B
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213B90 #907621
analogous
#217390 #213B90 #3F2190
triadic
#213B90 #90213B #3B9021
tetradic
#213B90 #902173 #907621 #21903F
square
#213B90 #902173 #907621 #21903F
split-complementary
#213B90 #903F21 #739021
monochromatic
#0A122C #16275E #213B90 #2C4FC2 #5473D8
Accessibility & contrast
On white
10.03
#213B90 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.09
#213B90 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213B90
10.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213B90 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213B90 | 1.00 | 10.03 | 2.09 | 10.03 |
| #FFFFFF | 10.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004793
Deuteranopia (green-blind)
#003D8E
Tritanopia (blue-blind)
#00505F
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #213b90; /* rgb */ color: rgb(33, 59, 144); /* oklch */ color: oklch(38.8% 0.144 266.6);
Tailwind
colors: {
custom: {
50: '#6e70b1',
500: '#213b90',
950: '#000000',
},
}SCSS
$custom: #213b90; $custom-light: #6e70b1; $custom-dark: #000000;
JSON
{
"hex": "#213b90",
"rgb": {
"r": 33,
"g": 59,
"b": 144
},
"hsl": {
"h": 225.946,
"s": 62.712,
"l": 34.706
},
"oklch": {
"l": 0.38769,
"c": 0.14411,
"h": 266.6
},
"luminance": 0.05465
}Semantic roles & 50–950 ramp
primary
#213B90
secondary
#BBA351
accent
#BF42E6
background
#F7F6FB
surface
#EDECF6
border
#C8C7D0
text
#080711
muted
#7B7A80