#213C6E#213C6E
#213C6E is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.093 H 261.6°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).
Color values
| HEX | #213C6E |
|---|---|
| RGB | rgb(33, 60, 110) |
| HSL | hsl(219, 54%, 28%) |
| HSV | hsv(219, 70%, 43%) |
| CMYK | cmyk(70%, 45.5%, 0%, 56.9%) |
| CIE-LAB | lab(25.80, 7.86, -32.10) |
| CIE-LCH | lch(25.80, 33.04, 283.76°) |
| OKLab | oklab(36.29% -0.0136 -0.0916) |
| OKLCH | oklch(36.29% 0.093 261.6) |
| XYZ | xyz(5.0565, 4.6803, 15.3857) |
| Luminance | 0.0468 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine Blue
#01386A
ΔE00 3.40
Darkish Blue
#014182
ΔE00 4.26
Twilight Blue
#0A437A
ΔE00 4.35
Marine
#042E60
ΔE00 4.65
Cobalt (survey)
#1E488F
ΔE00 5.68
Prussian Blue
#004577
ΔE00 5.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213C6E #6E5321
analogous
#21626E #213C6E #2C216E
triadic
#213C6E #6E213C #3C6E21
tetradic
#213C6E #6E2162 #6E5321 #216E2C
square
#213C6E #6E2162 #6E5321 #216E2C
split-complementary
#213C6E #6E2C21 #626E21
monochromatic
#070D18 #13223F #213C6E #2F569D #4371C7
Accessibility & contrast
On white
10.85
#213C6E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.94
#213C6E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213C6E
10.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213C6E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213C6E | 1.00 | 10.85 | 1.94 | 10.85 |
| #FFFFFF | 10.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#244170
Deuteranopia (green-blind)
#183A6D
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #213c6e; /* rgb */ color: rgb(33, 60, 110); /* oklch */ color: oklch(36.3% 0.093 261.6);
Tailwind
colors: {
custom: {
50: '#667198',
500: '#213c6e',
950: '#000000',
},
}SCSS
$custom: #213c6e; $custom-light: #667198; $custom-dark: #000000;
JSON
{
"hex": "#213c6e",
"rgb": {
"r": 33,
"g": 60,
"b": 110
},
"hsl": {
"h": 218.961,
"s": 53.846,
"l": 28.039
},
"oklch": {
"l": 0.3629,
"c": 0.09264,
"h": 261.6
},
"luminance": 0.04681
}Semantic roles & 50–950 ramp
primary
#213C6E
secondary
#A28349
accent
#AA4BDD
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070D
muted
#7A7A7E