#182A4C#182A4C
#182A4C is a dark, moderate blue. Relative luminance 0.024; OKLCH L 28.9% C 0.067 H 262.0°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).
Color values
| HEX | #182A4C |
|---|---|
| RGB | rgb(24, 42, 76) |
| HSL | hsl(219, 52%, 20%) |
| HSV | hsv(219, 68%, 30%) |
| CMYK | cmyk(68.4%, 44.7%, 0%, 70.2%) |
| CIE-LAB | lab(17.33, 5.21, -23.27) |
| CIE-LCH | lch(17.33, 23.85, 282.63°) |
| OKLab | oklab(28.9% -0.0093 -0.0662) |
| OKLCH | oklch(28.9% 0.067 262) |
| XYZ | xyz(2.5087, 2.3717, 7.1617) |
| Luminance | 0.0237 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 0.84
Marine
#042E60
ΔE00 4.50
Navy (survey)
#01153E
ΔE00 6.83
Marine Blue
#01386A
ΔE00 7.13
Dark
#1B2431
ΔE00 8.58
Navy Blue (survey)
#001146
ΔE00 8.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#182A4C #4C3A18
analogous
#18444C #182A4C #20184C
triadic
#182A4C #4C182A #2A4C18
tetradic
#182A4C #4C1844 #4C3A18 #184C20
square
#182A4C #4C1844 #4C3A18 #184C20
split-complementary
#182A4C #4C2018 #444C18
monochromatic
#070D17 #09101D #182A4C #27447B #355DA9
Accessibility & contrast
On white
14.24
#182A4C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.47
#182A4C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #182A4C
14.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##182A4C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##182A4C | 1.00 | 14.24 | 1.47 | 14.24 |
| #FFFFFF | 14.24 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.24 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B2D4D
Deuteranopia (green-blind)
#14284B
Tritanopia (blue-blind)
#003237
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #182a4c; /* rgb */ color: rgb(24, 42, 76); /* oklch */ color: oklch(28.9% 0.067 262.0);
Tailwind
colors: {
custom: {
50: '#5b637e',
500: '#182a4c',
950: '#000000',
},
}SCSS
$custom: #182a4c; $custom-light: #5b637e; $custom-dark: #000000;
JSON
{
"hex": "#182a4c",
"rgb": {
"r": 24,
"g": 42,
"b": 76
},
"hsl": {
"h": 219.231,
"s": 52,
"l": 19.608
},
"oklch": {
"l": 0.28897,
"c": 0.06685,
"h": 262
},
"luminance": 0.02372
}Semantic roles & 50–950 ramp
primary
#182A4C
secondary
#836B3D
accent
#AA4CDB
background
#F5F5F7
surface
#E9EAEE
border
#C5C6C9
text
#04050A
muted
#79797C