#21298F#21298F
#21298F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.165 H 271.1°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).
Color values
| HEX | #21298F |
|---|---|
| RGB | rgb(33, 41, 143) |
| HSL | hsl(236, 63%, 35%) |
| HSV | hsv(236, 77%, 56%) |
| CMYK | cmyk(76.9%, 71.3%, 0%, 43.9%) |
| CIE-LAB | lab(23.31, 33.72, -56.93) |
| CIE-LCH | lch(23.31, 66.17, 300.64°) |
| OKLab | oklab(35.28% 0.0031 -0.1648) |
| OKLCH | oklch(35.28% 0.165 271.1) |
| XYZ | xyz(6.3764, 3.8917, 26.3964) |
| Luminance | 0.0389 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 4.42
Sapphire (survey)
#2138AB
ΔE00 5.46
Midnight Blue
#191970
ΔE00 5.84
Cobalt Blue
#030AA7
ΔE00 6.72
Indigo Blue
#3A18B1
ΔE00 6.89
Royal Blue (survey)
#0504AA
ΔE00 7.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21298F #8F8721
analogous
#21608F #21298F #50218F
triadic
#21298F #8F2129 #298F21
tetradic
#21298F #8F2160 #8F8721 #218F50
square
#21298F #8F2160 #8F8721 #218F50
split-complementary
#21298F #8F5021 #608F21
monochromatic
#0A0C2C #161B5D #21298F #2C37C1 #535DD7
Accessibility & contrast
On white
11.81
#21298F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.78
#21298F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21298F
11.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21298F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21298F | 1.00 | 11.81 | 1.78 | 11.81 |
| #FFFFFF | 11.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.78 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D92
Deuteranopia (green-blind)
#00328D
Tritanopia (blue-blind)
#004559
Achromatopsia (no color)
#383838
Design tokens & code
CSS
--color: #21298f; /* rgb */ color: rgb(33, 41, 143); /* oklch */ color: oklch(35.3% 0.165 271.1);
Tailwind
colors: {
custom: {
50: '#6f63b1',
500: '#21298f',
950: '#000000',
},
}SCSS
$custom: #21298f; $custom-light: #6f63b1; $custom-dark: #000000;
JSON
{
"hex": "#21298f",
"rgb": {
"r": 33,
"g": 41,
"b": 143
},
"hsl": {
"h": 235.636,
"s": 62.5,
"l": 34.51
},
"oklch": {
"l": 0.35277,
"c": 0.1648,
"h": 271.1
},
"luminance": 0.03892
}Semantic roles & 50–950 ramp
primary
#21298F
secondary
#BBB351
accent
#DA42E6
background
#F7F5FB
surface
#EDEAF6
border
#C8C6D0
text
#090511
muted
#7B7980