#213A4E#213A4E
#213A4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.047 H 244.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).
Color values
| HEX | #213A4E |
|---|---|
| RGB | rgb(33, 58, 78) |
| HSL | hsl(207, 41%, 22%) |
| HSV | hsv(207, 58%, 31%) |
| CMYK | cmyk(57.7%, 25.6%, 0%, 69.4%) |
| CIE-LAB | lab(23.34, -2.97, -15.15) |
| CIE-LCH | lch(23.34, 15.44, 258.92°) |
| OKLab | oklab(33.77% -0.0207 -0.0423) |
| OKLCH | oklch(33.77% 0.047 244) |
| XYZ | xyz(3.5149, 3.8992, 7.7737) |
| Luminance | 0.0390 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 1.80
Dark Grey Blue
#29465B
ΔE00 3.94
Dark Slate Blue
#214761
ΔE00 4.75
Charcoal
#36454F
ΔE00 6.06
Marine Blue
#01386A
ΔE00 7.41
Gunmetal
#2A3439
ΔE00 7.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213A4E #4E3521
analogous
#214E4C #213A4E #21244E
triadic
#213A4E #4E213A #3A4E21
tetradic
#213A4E #4C214E #4E3521 #244E21
square
#213A4E #4C214E #4E3521 #244E21
split-complementary
#213A4E #4E2124 #4E4C21
monochromatic
#091016 #0F1A23 #213A4E #335A79 #457AA4
Accessibility & contrast
On white
11.80
#213A4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.78
#213A4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213A4E
11.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213A4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213A4E | 1.00 | 11.80 | 1.78 | 11.80 |
| #FFFFFF | 11.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.78 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#313A4F
Deuteranopia (green-blind)
#2B364E
Tritanopia (blue-blind)
#073F41
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #213a4e; /* rgb */ color: rgb(33, 58, 78); /* oklch */ color: oklch(33.8% 0.047 244.0);
Tailwind
colors: {
custom: {
50: '#60707f',
500: '#213a4e',
950: '#000000',
},
}SCSS
$custom: #213a4e; $custom-light: #60707f; $custom-dark: #000000;
JSON
{
"hex": "#213a4e",
"rgb": {
"r": 33,
"g": 58,
"b": 78
},
"hsl": {
"h": 206.667,
"s": 40.541,
"l": 21.765
},
"oklch": {
"l": 0.3377,
"c": 0.0471,
"h": 244
},
"luminance": 0.039
}Semantic roles & 50–950 ramp
primary
#213A4E
secondary
#826249
accent
#8D57D0
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05070A
muted
#797A7C