#213B7A#213B7A
#213B7A is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.112 H 264.6°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).
Color values
| HEX | #213B7A |
|---|---|
| RGB | rgb(33, 59, 122) |
| HSL | hsl(222, 57%, 30%) |
| HSV | hsv(222, 73%, 48%) |
| CMYK | cmyk(73%, 51.6%, 0%, 52.2%) |
| CIE-LAB | lab(26.32, 13.33, -38.89) |
| CIE-LCH | lch(26.32, 41.11, 288.92°) |
| OKLab | oklab(36.95% -0.0105 -0.1116) |
| OKLCH | oklch(36.95% 0.112 264.6) |
| XYZ | xyz(5.7028, 4.8558, 19.0453) |
| Luminance | 0.0486 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 4.22
Marine Blue
#01386A
ΔE00 4.48
Twilight Blue
#0A437A
ΔE00 4.96
Cobalt (survey)
#1E488F
ΔE00 5.02
Marine
#042E60
ΔE00 5.38
Prussian Blue
#004577
ΔE00 6.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#213B7A #7A6021
analogous
#21677A #213B7A #34217A
triadic
#213B7A #7A213B #3B7A21
tetradic
#213B7A #7A2167 #7A6021 #217A34
square
#213B7A #7A2167 #7A6021 #217A34
split-complementary
#213B7A #7A3421 #677A21
monochromatic
#070C1A #14244A #213B7A #2E52AA #486FCD
Accessibility & contrast
On white
10.65
#213B7A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.97
#213B7A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #213B7A
10.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##213B7A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##213B7A | 1.00 | 10.65 | 1.97 | 10.65 |
| #FFFFFF | 10.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#17437C
Deuteranopia (green-blind)
#003A79
Tritanopia (blue-blind)
#004A54
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #213b7a; /* rgb */ color: rgb(33, 59, 122); /* oklch */ color: oklch(36.9% 0.112 264.6);
Tailwind
colors: {
custom: {
50: '#6870a1',
500: '#213b7a',
950: '#000000',
},
}SCSS
$custom: #213b7a; $custom-light: #6870a1; $custom-dark: #000000;
JSON
{
"hex": "#213b7a",
"rgb": {
"r": 33,
"g": 59,
"b": 122
},
"hsl": {
"h": 222.472,
"s": 57.419,
"l": 30.392
},
"oklch": {
"l": 0.36949,
"c": 0.11211,
"h": 264.6
},
"luminance": 0.04856
}Semantic roles & 50–950 ramp
primary
#213B7A
secondary
#AD904A
accent
#B447E1
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#07070F
muted
#7A7A7E