#180D52#180D52
#180D52 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.4% C 0.116 H 279.8°. Best body text is #FFFFFF at 17.24:1 contrast (WCAG AA passes).
Color values
| HEX | #180D52 |
|---|---|
| RGB | rgb(24, 13, 82) |
| HSL | hsl(250, 73%, 19%) |
| HSV | hsv(250, 84%, 32%) |
| CMYK | cmyk(70.7%, 84.1%, 0%, 67.8%) |
| CIE-LAB | lab(9.73, 28.12, -39.70) |
| CIE-LCH | lch(9.73, 48.65, 305.32°) |
| OKLab | oklab(23.43% 0.0197 -0.1146) |
| OKLCH | oklch(23.43% 0.116 279.8) |
| XYZ | xyz(2.0431, 1.0911, 8.0839) |
| Luminance | 0.0109 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Indigo
#1F0954
ΔE00 1.70
Night Blue
#040348
ΔE00 2.97
Dark Blue
#00035B
ΔE00 3.83
Darkblue (survey)
#030764
ΔE00 4.23
Navy Blue (survey)
#001146
ΔE00 4.89
Midnight Blue
#191970
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180D52 #47520D
analogous
#0D2452 #180D52 #3A0D52
triadic
#180D52 #52180D #0D5218
tetradic
#180D52 #520D24 #47520D #0D523A
square
#180D52 #520D24 #47520D #0D523A
split-complementary
#180D52 #523A0D #24520D
monochromatic
#08041A #09051D #180D52 #271587 #371EBC
Accessibility & contrast
On white
17.24
#180D52 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#180D52 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180D52
17.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180D52 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180D52 | 1.00 | 17.24 | 1.22 | 17.24 |
| #FFFFFF | 17.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001D54
Deuteranopia (green-blind)
#001851
Tritanopia (blue-blind)
#00212F
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #180d52; /* rgb */ color: rgb(24, 13, 82); /* oklch */ color: oklch(23.4% 0.116 279.8);
Tailwind
colors: {
custom: {
50: '#5f4d83',
500: '#180d52',
950: '#000000',
},
}SCSS
$custom: #180d52; $custom-light: #5f4d83; $custom-dark: #000000;
JSON
{
"hex": "#180d52",
"rgb": {
"r": 24,
"g": 13,
"b": 82
},
"hsl": {
"h": 249.565,
"s": 72.632,
"l": 18.627
},
"oklch": {
"l": 0.23426,
"c": 0.11629,
"h": 279.8
},
"luminance": 0.01091
}Semantic roles & 50–950 ramp
primary
#180D52
secondary
#7E8D2E
accent
#EF38D2
background
#F5F4F8
surface
#EAE7EF
border
#C6C3CA
text
#05010B
muted
#79777C