#182B47#182B47
#182B47 is a dark, muted blue. Relative luminance 0.024; OKLCH L 28.8% C 0.057 H 258.0°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).
Color values
| HEX | #182B47 |
|---|---|
| RGB | rgb(24, 43, 71) |
| HSL | hsl(216, 49%, 19%) |
| HSV | hsv(216, 66%, 28%) |
| CMYK | cmyk(66.2%, 39.4%, 0%, 72.2%) |
| CIE-LAB | lab(17.35, 2.47, -19.83) |
| CIE-LCH | lch(17.35, 19.98, 277.11°) |
| OKLab | oklab(28.81% -0.012 -0.0561) |
| OKLCH | oklch(28.81% 0.057 258) |
| XYZ | xyz(2.3775, 2.3767, 6.2935) |
| Luminance | 0.0238 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue
#1B2A4A
ΔE00 2.28
Marine
#042E60
ΔE00 5.30
Dark
#1B2431
ΔE00 6.60
Marine Blue
#01386A
ΔE00 7.22
Navy (survey)
#01153E
ΔE00 8.01
Dark Blue Grey
#1F3B4D
ΔE00 8.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#182B47 #473418
analogous
#184247 #182B47 #1C1847
triadic
#182B47 #47182B #2B4718
tetradic
#182B47 #471842 #473418 #18471C
square
#182B47 #471842 #473418 #18471C
split-complementary
#182B47 #471C18 #424718
monochromatic
#080E17 #090F19 #182B47 #274775 #3762A2
Accessibility & contrast
On white
14.23
#182B47 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.48
#182B47 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #182B47
14.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##182B47 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##182B47 | 1.00 | 14.23 | 1.48 | 14.23 |
| #FFFFFF | 14.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1F2D48
Deuteranopia (green-blind)
#192946
Tritanopia (blue-blind)
#003135
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #182b47; /* rgb */ color: rgb(24, 43, 71); /* oklch */ color: oklch(28.8% 0.057 258.0);
Tailwind
colors: {
custom: {
50: '#5a647a',
500: '#182b47',
950: '#000000',
},
}SCSS
$custom: #182b47; $custom-light: #5a647a; $custom-dark: #000000;
JSON
{
"hex": "#182b47",
"rgb": {
"r": 24,
"g": 43,
"b": 71
},
"hsl": {
"h": 215.745,
"s": 49.474,
"l": 18.627
},
"oklch": {
"l": 0.28813,
"c": 0.05737,
"h": 258
},
"luminance": 0.02377
}Semantic roles & 50–950 ramp
primary
#182B47
secondary
#7E643D
accent
#A14FD9
background
#F5F5F7
surface
#E9EAED
border
#C5C6C8
text
#040509
muted
#79797B