#180F50#180F50
#180F50 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.5% C 0.111 H 279.8°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).
Color values
| HEX | #180F50 |
|---|---|
| RGB | rgb(24, 15, 80) |
| HSL | hsl(248, 68%, 19%) |
| HSV | hsv(248, 81%, 31%) |
| CMYK | cmyk(70%, 81.3%, 0%, 68.6%) |
| CIE-LAB | lab(9.91, 26.22, -38.02) |
| CIE-LCH | lch(9.91, 46.19, 304.60°) |
| OKLab | oklab(23.49% 0.0189 -0.1097) |
| OKLCH | oklch(23.49% 0.111 279.8) |
| XYZ | xyz(1.9950, 1.1149, 7.6979) |
| Luminance | 0.0112 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.34
Night Blue
#040348
ΔE00 3.15
Navy Blue (survey)
#001146
ΔE00 4.32
Dark Blue
#00035B
ΔE00 4.52
Darkblue (survey)
#030764
ΔE00 4.88
Midnight Blue
#191970
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#180F50 #47500F
analogous
#0F2650 #180F50 #380F50
triadic
#180F50 #50180F #0F5018
tetradic
#180F50 #500F26 #47500F #0F5038
square
#180F50 #500F26 #47500F #0F5038
split-complementary
#180F50 #50380F #26500F
monochromatic
#08051A #09051C #180F50 #271984 #3722B7
Accessibility & contrast
On white
17.17
#180F50 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.22
#180F50 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #180F50
17.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##180F50 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##180F50 | 1.00 | 17.17 | 1.22 | 17.17 |
| #FFFFFF | 17.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001E52
Deuteranopia (green-blind)
#00194F
Tritanopia (blue-blind)
#00212E
Achromatopsia (no color)
#1B1B1B
Design tokens & code
CSS
--color: #180f50; /* rgb */ color: rgb(24, 15, 80); /* oklch */ color: oklch(23.5% 0.111 279.8);
Tailwind
colors: {
custom: {
50: '#5e4e82',
500: '#180f50',
950: '#000000',
},
}SCSS
$custom: #180f50; $custom-light: #5e4e82; $custom-dark: #000000;
JSON
{
"hex": "#180f50",
"rgb": {
"r": 24,
"g": 15,
"b": 80
},
"hsl": {
"h": 248.308,
"s": 68.421,
"l": 18.627
},
"oklch": {
"l": 0.23486,
"c": 0.11134,
"h": 279.8
},
"luminance": 0.01115
}Semantic roles & 50–950 ramp
primary
#180F50
secondary
#7E8A31
accent
#EB3DD3
background
#F5F4F8
surface
#EAE7EF
border
#C6C3CA
text
#05020A
muted
#79787C