#21448C#21448C
#21448C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.127 H 262.6°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).
Color values
| HEX | #21448C |
|---|---|
| RGB | rgb(33, 68, 140) |
| HSL | hsl(220, 62%, 34%) |
| HSV | hsv(220, 76%, 55%) |
| CMYK | cmyk(76.4%, 51.4%, 0%, 45.1%) |
| CIE-LAB | lab(30.28, 14.27, -43.71) |
| CIE-LCH | lch(30.28, 45.98, 288.08°) |
| OKLab | oklab(40.38% -0.0162 -0.1257) |
| OKLCH | oklch(40.38% 0.127 262.6) |
| XYZ | xyz(7.4263, 6.3502, 25.6402) |
| Luminance | 0.0635 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.60
Darkish Blue
#014182
ΔE00 3.16
Twilight Blue
#0A437A
ΔE00 4.06
Cobalt
#0047AB
ΔE00 4.23
Dusk Blue
#26538D
ΔE00 5.33
Prussian Blue
#004577
ΔE00 5.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21448C #8C6921
analogous
#217A8C #21448C #34218C
triadic
#21448C #8C2144 #448C21
tetradic
#21448C #8C217A #8C6921 #218C34
square
#21448C #8C217A #8C6921 #218C34
split-complementary
#21448C #8C3421 #7A8C21
monochromatic
#0A1429 #152C5A #21448C #2D5CBE #517DD6
Accessibility & contrast
On white
9.25
#21448C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.27
#21448C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21448C
9.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21448C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21448C | 1.00 | 9.25 | 2.27 | 9.25 |
| #FFFFFF | 9.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#194C8F
Deuteranopia (green-blind)
#00438B
Tritanopia (blue-blind)
#005561
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #21448c; /* rgb */ color: rgb(33, 68, 140); /* oklch */ color: oklch(40.4% 0.127 262.6);
Tailwind
colors: {
custom: {
50: '#6c77ae',
500: '#21448c',
950: '#000000',
},
}SCSS
$custom: #21448c; $custom-light: #6c77ae; $custom-dark: #000000;
JSON
{
"hex": "#21448c",
"rgb": {
"r": 33,
"g": 68,
"b": 140
},
"hsl": {
"h": 220.374,
"s": 61.85,
"l": 33.922
},
"oklch": {
"l": 0.40383,
"c": 0.12671,
"h": 262.6
},
"luminance": 0.06351
}Semantic roles & 50–950 ramp
primary
#21448C
secondary
#B9974F
accent
#B043E5
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080810
muted
#7B7B7F