#211B78#211B78
#211B78 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.150 H 275.7°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).
Color values
| HEX | #211B78 |
|---|---|
| RGB | rgb(33, 27, 120) |
| HSL | hsl(244, 63%, 29%) |
| HSV | hsv(244, 78%, 47%) |
| CMYK | cmyk(72.5%, 77.5%, 0%, 52.9%) |
| CIE-LAB | lab(17.75, 34.17, -51.59) |
| CIE-LCH | lch(17.75, 61.88, 303.52°) |
| OKLab | oklab(30.57% 0.0149 -0.1491) |
| OKLCH | oklch(30.57% 0.15 275.7) |
| XYZ | xyz(4.4082, 2.4629, 18.0087) |
| Luminance | 0.0246 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 1.54
Royal
#0C1793
ΔE00 4.31
Dark Royal Blue
#02066F
ΔE00 4.72
Deep Blue
#040273
ΔE00 5.15
Darkblue (survey)
#030764
ΔE00 5.29
Navy
#000080
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#211B78 #72781B
analogous
#1B4478 #211B78 #501B78
triadic
#211B78 #78211B #1B7821
tetradic
#211B78 #781B44 #72781B #1B7850
square
#211B78 #781B44 #72781B #1B7850
split-complementary
#211B78 #78501B #44781B
monochromatic
#070619 #131046 #211B78 #2F26AA #443BD3
Accessibility & contrast
On white
14.07
#211B78 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.49
#211B78 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #211B78
14.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##211B78 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##211B78 | 1.00 | 14.07 | 1.49 | 14.07 |
| #FFFFFF | 14.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00307B
Deuteranopia (green-blind)
#002776
Tritanopia (blue-blind)
#003648
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #211b78; /* rgb */ color: rgb(33, 27, 120); /* oklch */ color: oklch(30.6% 0.150 275.7);
Tailwind
colors: {
custom: {
50: '#6b59a0',
500: '#211b78',
950: '#000000',
},
}SCSS
$custom: #211b78; $custom-light: #6b59a0; $custom-dark: #000000;
JSON
{
"hex": "#211b78",
"rgb": {
"r": 33,
"g": 27,
"b": 120
},
"hsl": {
"h": 243.871,
"s": 63.265,
"l": 28.824
},
"oklch": {
"l": 0.30569,
"c": 0.14989,
"h": 275.7
},
"luminance": 0.02463
}Semantic roles & 50–950 ramp
primary
#211B78
secondary
#A5AC43
accent
#E641DC
background
#F6F5FA
surface
#ECE9F3
border
#C7C5CD
text
#08030F
muted
#7A787F