#21278D#21278D
#21278D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.164 H 271.6°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).
Color values
| HEX | #21278D |
|---|---|
| RGB | rgb(33, 39, 141) |
| HSL | hsl(237, 62%, 34%) |
| HSV | hsv(237, 77%, 55%) |
| CMYK | cmyk(76.6%, 72.3%, 0%, 44.7%) |
| CIE-LAB | lab(22.64, 34.26, -56.79) |
| CIE-LCH | lch(22.64, 66.32, 301.11°) |
| OKLab | oklab(34.73% 0.0045 -0.1643) |
| OKLCH | oklch(34.73% 0.164 271.6) |
| XYZ | xyz(6.1588, 3.6968, 25.5831) |
| Luminance | 0.0370 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.98
Midnight Blue
#191970
ΔE00 5.31
Sapphire (survey)
#2138AB
ΔE00 6.02
Cobalt Blue
#030AA7
ΔE00 6.44
Indigo Blue
#3A18B1
ΔE00 6.83
Royal Blue (survey)
#0504AA
ΔE00 7.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21278D #8D8721
analogous
#215D8D #21278D #51218D
triadic
#21278D #8D2127 #278D21
tetradic
#21278D #8D215D #8D8721 #218D51
square
#21278D #8D215D #8D8721 #218D51
split-complementary
#21278D #8D5121 #5D8D21
monochromatic
#0A0C2A #15195B #21278D #2D35BF #5259D6
Accessibility & contrast
On white
12.07
#21278D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#21278D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21278D
12.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21278D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21278D | 1.00 | 12.07 | 1.74 | 12.07 |
| #FFFFFF | 12.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003B90
Deuteranopia (green-blind)
#00318B
Tritanopia (blue-blind)
#004457
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #21278d; /* rgb */ color: rgb(33, 39, 141); /* oklch */ color: oklch(34.7% 0.164 271.6);
Tailwind
colors: {
custom: {
50: '#6f62af',
500: '#21278d',
950: '#000000',
},
}SCSS
$custom: #21278d; $custom-light: #6f62af; $custom-dark: #000000;
JSON
{
"hex": "#21278d",
"rgb": {
"r": 33,
"g": 39,
"b": 141
},
"hsl": {
"h": 236.667,
"s": 62.069,
"l": 34.118
},
"oklch": {
"l": 0.34734,
"c": 0.16441,
"h": 271.6
},
"luminance": 0.03697
}Semantic roles & 50–950 ramp
primary
#21278D
secondary
#BAB450
accent
#DC43E5
background
#F7F5FA
surface
#EDEAF5
border
#C8C6CF
text
#090511
muted
#7B7980