#181366#181366
#181366 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.7% C 0.137 H 274.5°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).
Color values
| HEX | #181366 |
|---|---|
| RGB | rgb(24, 19, 102) |
| HSL | hsl(244, 69%, 24%) |
| HSV | hsv(244, 81%, 40%) |
| CMYK | cmyk(76.5%, 81.4%, 0%, 60%) |
| CIE-LAB | lab(13.34, 31.65, -47.18) |
| CIE-LCH | lch(13.34, 56.81, 303.86°) |
| OKLab | oklab(26.67% 0.0108 -0.1365) |
| OKLCH | oklch(26.67% 0.137 274.5) |
| XYZ | xyz(3.0070, 1.6189, 12.7218) |
| Luminance | 0.0162 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.02
Darkblue (survey)
#030764
ΔE00 2.85
Dark Royal Blue
#02066F
ΔE00 3.45
Dark Blue
#00035B
ΔE00 3.96
Dark Indigo
#1F0954
ΔE00 3.98
Deep Blue
#040273
ΔE00 4.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181366 #616613
analogous
#133766 #181366 #411366
triadic
#181366 #661813 #136618
tetradic
#181366 #661337 #616613 #136641
square
#181366 #661337 #616613 #136641
split-complementary
#181366 #664113 #376613
monochromatic
#06051A #0C0932 #181366 #241D9A #3026CD
Accessibility & contrast
On white
15.86
#181366 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.32
#181366 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181366
15.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181366 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181366 | 1.00 | 15.86 | 1.32 | 15.86 |
| #FFFFFF | 15.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002668
Deuteranopia (green-blind)
#001E65
Tritanopia (blue-blind)
#002C3C
Achromatopsia (no color)
#222222
Design tokens & code
CSS
--color: #181366; /* rgb */ color: rgb(24, 19, 102); /* oklch */ color: oklch(26.7% 0.137 274.5);
Tailwind
colors: {
custom: {
50: '#635293',
500: '#181366',
950: '#000000',
},
}SCSS
$custom: #181366; $custom-light: #635293; $custom-dark: #000000;
JSON
{
"hex": "#181366",
"rgb": {
"r": 24,
"g": 19,
"b": 102
},
"hsl": {
"h": 243.614,
"s": 68.595,
"l": 23.725
},
"oklch": {
"l": 0.26672,
"c": 0.13689,
"h": 274.5
},
"luminance": 0.01619
}Semantic roles & 50–950 ramp
primary
#181366
secondary
#979D37
accent
#EB3CE1
background
#F6F4F9
surface
#EBE7F1
border
#C6C3CB
text
#06020D
muted
#7A787E