#181561#181561
#181561 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.4% C 0.128 H 274.9°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).
Color values
| HEX | #181561 |
|---|---|
| RGB | rgb(24, 21, 97) |
| HSL | hsl(242, 64%, 23%) |
| HSV | hsv(242, 78%, 38%) |
| CMYK | cmyk(75.3%, 78.4%, 0%, 62%) |
| CIE-LAB | lab(13.19, 28.64, -44.12) |
| CIE-LCH | lch(13.19, 52.60, 302.99°) |
| OKLab | oklab(26.39% 0.0108 -0.1276) |
| OKLCH | oklch(26.39% 0.128 274.9) |
| XYZ | xyz(2.8018, 1.5933, 11.4668) |
| Luminance | 0.0159 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.56
Darkblue (survey)
#030764
ΔE00 3.61
Dark Indigo
#1F0954
ΔE00 3.83
Dark Blue
#00035B
ΔE00 4.39
Dark Royal Blue
#02066F
ΔE00 4.52
Night Blue
#040348
ΔE00 5.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#181561 #5E6115
analogous
#153861 #181561 #3E1561
triadic
#181561 #611815 #156118
tetradic
#181561 #611538 #5E6115 #15613E
square
#181561 #611538 #5E6115 #15613E
split-complementary
#181561 #613E15 #386115
monochromatic
#060519 #0C0A2F #181561 #242093 #312BC6
Accessibility & contrast
On white
15.92
#181561 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.32
#181561 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #181561
15.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##181561 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##181561 | 1.00 | 15.92 | 1.32 | 15.92 |
| #FFFFFF | 15.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002563
Deuteranopia (green-blind)
#001E60
Tritanopia (blue-blind)
#002B39
Achromatopsia (no color)
#222222
Design tokens & code
CSS
--color: #181561; /* rgb */ color: rgb(24, 21, 97); /* oklch */ color: oklch(26.4% 0.128 274.9);
Tailwind
colors: {
custom: {
50: '#62538f',
500: '#181561',
950: '#000000',
},
}SCSS
$custom: #181561; $custom-light: #62538f; $custom-dark: #000000;
JSON
{
"hex": "#181561",
"rgb": {
"r": 24,
"g": 21,
"b": 97
},
"hsl": {
"h": 242.368,
"s": 64.407,
"l": 23.137
},
"oklch": {
"l": 0.26389,
"c": 0.12803,
"h": 274.9
},
"luminance": 0.01594
}Semantic roles & 50–950 ramp
primary
#181561
secondary
#94983A
accent
#E740E1
background
#F6F4F8
surface
#EBE7F0
border
#C6C3CB
text
#06020C
muted
#7A787D