#21448A#21448A
#21448A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.2% C 0.124 H 262.3°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).
Color values
| HEX | #21448A |
|---|---|
| RGB | rgb(33, 68, 138) |
| HSL | hsl(220, 61%, 34%) |
| HSV | hsv(220, 76%, 54%) |
| CMYK | cmyk(76.1%, 50.7%, 0%, 45.9%) |
| CIE-LAB | lab(30.14, 13.48, -42.71) |
| CIE-LCH | lch(30.14, 44.79, 287.51°) |
| OKLab | oklab(40.23% -0.0165 -0.1227) |
| OKLCH | oklch(40.23% 0.124 262.3) |
| XYZ | xyz(7.2801, 6.2918, 24.8706) |
| Luminance | 0.0629 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.60
Darkish Blue
#014182
ΔE00 2.98
Twilight Blue
#0A437A
ΔE00 3.83
Cobalt
#0047AB
ΔE00 4.47
Dusk Blue
#26538D
ΔE00 5.27
Prussian Blue
#004577
ΔE00 5.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21448A #8A6721
analogous
#21788A #21448A #32218A
triadic
#21448A #8A2144 #448A21
tetradic
#21448A #8A2178 #8A6721 #218A32
square
#21448A #8A2178 #8A6721 #218A32
split-complementary
#21448A #8A3221 #788A21
monochromatic
#091327 #152C59 #21448A #2D5CBB #507DD5
Accessibility & contrast
On white
9.30
#21448A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.26
#21448A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21448A
9.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21448A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21448A | 1.00 | 9.30 | 2.26 | 9.30 |
| #FFFFFF | 9.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B4C8D
Deuteranopia (green-blind)
#004289
Tritanopia (blue-blind)
#005560
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #21448a; /* rgb */ color: rgb(33, 68, 138); /* oklch */ color: oklch(40.2% 0.124 262.3);
Tailwind
colors: {
custom: {
50: '#6c77ad',
500: '#21448a',
950: '#000000',
},
}SCSS
$custom: #21448a; $custom-light: #6c77ad; $custom-dark: #000000;
JSON
{
"hex": "#21448a",
"rgb": {
"r": 33,
"g": 68,
"b": 138
},
"hsl": {
"h": 220,
"s": 61.404,
"l": 33.529
},
"oklch": {
"l": 0.40229,
"c": 0.12382,
"h": 262.3
},
"luminance": 0.06293
}Semantic roles & 50–950 ramp
primary
#21448A
secondary
#B9954E
accent
#AF43E5
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F