#18154B#18154B
#18154B is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.0% C 0.096 H 278.7°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).
Color values
| HEX | #18154B |
|---|---|
| RGB | rgb(24, 21, 75) |
| HSL | hsl(243, 56%, 19%) |
| HSV | hsv(243, 72%, 29%) |
| CMYK | cmyk(68%, 72%, 0%, 70.6%) |
| CIE-LAB | lab(10.84, 20.36, -33.05) |
| CIE-LCH | lch(10.84, 38.82, 301.63°) |
| OKLab | oklab(23.99% 0.0146 -0.0952) |
| OKLCH | oklch(23.99% 0.096 278.7) |
| XYZ | xyz(1.9144, 1.2384, 6.7934) |
| Luminance | 0.0124 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.17
Night Blue
#040348
ΔE00 4.83
Dark Indigo
#1F0954
ΔE00 4.86
Navy (survey)
#01153E
ΔE00 5.06
Midnight Blue (survey)
#020035
ΔE00 5.38
Dark Navy
#000435
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18154B #484B15
analogous
#152D4B #18154B #33154B
triadic
#18154B #4B1815 #154B18
tetradic
#18154B #4B152D #484B15 #154B33
square
#18154B #4B152D #484B15 #154B33
split-complementary
#18154B #4B3315 #2D4B15
monochromatic
#080718 #09081B #18154B #27227B #3730AB
Accessibility & contrast
On white
16.83
#18154B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.25
#18154B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18154B
16.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18154B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18154B | 1.00 | 16.83 | 1.25 | 16.83 |
| #FFFFFF | 16.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001F4D
Deuteranopia (green-blind)
#001B4A
Tritanopia (blue-blind)
#00232D
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #18154b; /* rgb */ color: rgb(24, 21, 75); /* oklch */ color: oklch(24.0% 0.096 278.7);
Tailwind
colors: {
custom: {
50: '#5c527e',
500: '#18154b',
950: '#000000',
},
}SCSS
$custom: #18154b; $custom-light: #5c527e; $custom-dark: #000000;
JSON
{
"hex": "#18154b",
"rgb": {
"r": 24,
"g": 21,
"b": 75
},
"hsl": {
"h": 243.333,
"s": 56.25,
"l": 18.824
},
"oklch": {
"l": 0.23986,
"c": 0.09633,
"h": 278.7
},
"luminance": 0.01239
}Semantic roles & 50–950 ramp
primary
#18154B
secondary
#7F8339
accent
#E048D7
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C