#121C66#121C66
#121C66 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.129 H 269.4°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).
Color values
| HEX | #121C66 |
|---|---|
| RGB | rgb(18, 28, 102) |
| HSL | hsl(233, 70%, 24%) |
| HSV | hsv(233, 82%, 40%) |
| CMYK | cmyk(82.4%, 72.5%, 0%, 60%) |
| CIE-LAB | lab(15.05, 25.26, -44.38) |
| CIE-LCH | lch(15.05, 51.06, 299.65°) |
| OKLab | oklab(27.79% -0.0014 -0.1285) |
| OKLCH | oklch(27.79% 0.129 269.4) |
| XYZ | xyz(3.0622, 1.9181, 12.7766) |
| Luminance | 0.0192 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.52
Darkblue (survey)
#030764
ΔE00 5.33
Dark Royal Blue
#02066F
ΔE00 5.85
Navy Blue (survey)
#001146
ΔE00 5.90
Dark Indigo
#1F0954
ΔE00 6.20
Dark Blue
#00035B
ΔE00 6.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#121C66 #665C12
analogous
#124666 #121C66 #321266
triadic
#121C66 #66121C #1C6612
tetradic
#121C66 #661246 #665C12 #126632
square
#121C66 #661246 #665C12 #126632
split-complementary
#121C66 #663212 #466612
monochromatic
#05071A #090E32 #121C66 #1B2A9A #2439CE
Accessibility & contrast
On white
15.18
#121C66 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.38
#121C66 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #121C66
15.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##121C66 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##121C66 | 1.00 | 15.18 | 1.38 | 15.18 |
| #FFFFFF | 15.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002A68
Deuteranopia (green-blind)
#002265
Tritanopia (blue-blind)
#00303E
Achromatopsia (no color)
#262626
Design tokens & code
CSS
--color: #121c66; /* rgb */ color: rgb(18, 28, 102); /* oklch */ color: oklch(27.8% 0.129 269.4);
Tailwind
colors: {
custom: {
50: '#605892',
500: '#121c66',
950: '#000000',
},
}SCSS
$custom: #121c66; $custom-light: #605892; $custom-dark: #000000;
JSON
{
"hex": "#121c66",
"rgb": {
"r": 18,
"g": 28,
"b": 102
},
"hsl": {
"h": 232.857,
"s": 70,
"l": 23.529
},
"oklch": {
"l": 0.27791,
"c": 0.1285,
"h": 269.4
},
"luminance": 0.01918
}Semantic roles & 50–950 ramp
primary
#121C66
secondary
#9E9136
accent
#D83BED
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06030D
muted
#7A787E