#21157A#21157A
#21157A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.158 H 276.3°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).
Color values
| HEX | #21157A |
|---|---|
| RGB | rgb(33, 21, 122) |
| HSL | hsl(247, 71%, 28%) |
| HSV | hsv(247, 83%, 48%) |
| CMYK | cmyk(73%, 82.8%, 0%, 52.2%) |
| CIE-LAB | lab(16.82, 38.17, -54.42) |
| CIE-LCH | lch(16.82, 66.47, 305.05°) |
| OKLab | oklab(29.98% 0.0175 -0.1573) |
| OKLCH | oklch(29.98% 0.158 276.3) |
| XYZ | xyz(4.4071, 2.2644, 18.6134) |
| Luminance | 0.0226 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.37
Dark Royal Blue
#02066F
ΔE00 3.72
Royal
#0C1793
ΔE00 3.85
Deep Blue
#040273
ΔE00 3.93
Navy
#000080
ΔE00 4.02
Indigo (survey)
#380282
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21157A #6E7A15
analogous
#153B7A #21157A #53157A
triadic
#21157A #7A2115 #157A21
tetradic
#21157A #7A153B #6E7A15 #157A53
square
#21157A #7A153B #6E7A15 #157A53
split-complementary
#21157A #7A5315 #3B7A15
monochromatic
#07041A #130C46 #21157A #2F1EAE #432EDB
Accessibility & contrast
On white
14.45
#21157A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.45
#21157A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #21157A
14.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21157A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21157A | 1.00 | 14.45 | 1.45 | 14.45 |
| #FFFFFF | 14.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002E7D
Deuteranopia (green-blind)
#002578
Tritanopia (blue-blind)
#003448
Achromatopsia (no color)
#292929
Design tokens & code
CSS
--color: #21157a; /* rgb */ color: rgb(33, 21, 122); /* oklch */ color: oklch(30.0% 0.158 276.3);
Tailwind
colors: {
custom: {
50: '#6c56a2',
500: '#21157a',
950: '#000000',
},
}SCSS
$custom: #21157a; $custom-light: #6c56a2; $custom-dark: #000000;
JSON
{
"hex": "#21157a",
"rgb": {
"r": 33,
"g": 21,
"b": 122
},
"hsl": {
"h": 247.129,
"s": 70.629,
"l": 28.039
},
"oklch": {
"l": 0.29984,
"c": 0.15826,
"h": 276.3
},
"luminance": 0.02265
}Semantic roles & 50–950 ramp
primary
#21157A
secondary
#A2AF3B
accent
#ED3AD8
background
#F7F5FA
surface
#EDE9F4
border
#C8C5CE
text
#08030F
muted
#7B787F