#182A3D#182A3D
#182A3D is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.043 H 250.8°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).
Color values
| HEX | #182A3D |
|---|---|
| RGB | rgb(24, 42, 61) |
| HSL | hsl(211, 44%, 17%) |
| HSV | hsv(211, 61%, 24%) |
| CMYK | cmyk(60.7%, 31.1%, 0%, 76.1%) |
| CIE-LAB | lab(16.44, -0.72, -14.37) |
| CIE-LCH | lch(16.44, 14.39, 267.14°) |
| OKLab | oklab(27.91% -0.014 -0.0403) |
| OKLCH | oklch(27.91% 0.043 250.8) |
| XYZ | xyz(2.0467, 2.1869, 4.7282) |
| Luminance | 0.0219 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark
#1B2431
ΔE00 3.60
Navy Blue
#1B2A4A
ΔE00 6.33
Dark Blue Grey
#1F3B4D
ΔE00 6.50
Marine
#042E60
ΔE00 8.04
Gunmetal
#2A3439
ΔE00 8.15
Marine Blue
#01386A
ΔE00 9.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#182A3D #3D2B18
analogous
#183D3D #182A3D #19183D
triadic
#182A3D #3D182A #2A3D18
tetradic
#182A3D #3D183D #3D2B18 #183D19
square
#182A3D #3D183D #3D2B18 #183D19
split-complementary
#182A3D #3D1918 #3D3D18
monochromatic
#090F16 #090F16 #182A3D #294869 #3B6695
Accessibility & contrast
On white
14.61
#182A3D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.44
#182A3D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #182A3D
14.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##182A3D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##182A3D | 1.00 | 14.61 | 1.44 | 14.61 |
| #FFFFFF | 14.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#222B3E
Deuteranopia (green-blind)
#1E273D
Tritanopia (blue-blind)
#042E31
Achromatopsia (no color)
#292929
Design tokens & code
CSS
--color: #182a3d; /* rgb */ color: rgb(24, 42, 61); /* oklch */ color: oklch(27.9% 0.043 250.8);
Tailwind
colors: {
custom: {
50: '#586372',
500: '#182a3d',
950: '#000000',
},
}SCSS
$custom: #182a3d; $custom-light: #586372; $custom-dark: #000000;
JSON
{
"hex": "#182a3d",
"rgb": {
"r": 24,
"g": 42,
"b": 61
},
"hsl": {
"h": 210.811,
"s": 43.529,
"l": 16.667
},
"oklch": {
"l": 0.27913,
"c": 0.04265,
"h": 250.8
},
"luminance": 0.02187
}Semantic roles & 50–950 ramp
primary
#182A3D
secondary
#73593D
accent
#9655D3
background
#F5F5F6
surface
#E9EAEC
border
#C5C6C7
text
#030508
muted
#78797B