#184C9E#184C9E
#184C9E is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.144 H 259.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).
Color values
| HEX | #184C9E |
|---|---|
| RGB | rgb(24, 76, 158) |
| HSL | hsl(217, 74%, 36%) |
| HSV | hsv(217, 85%, 62%) |
| CMYK | cmyk(84.8%, 51.9%, 0%, 38%) |
| CIE-LAB | lab(33.63, 15.08, -49.28) |
| CIE-LCH | lch(33.63, 51.54, 287.01°) |
| OKLab | oklab(43.27% -0.0261 -0.142) |
| OKLCH | oklch(43.27% 0.144 259.6) |
| XYZ | xyz(9.1304, 7.8306, 33.3714) |
| Luminance | 0.0783 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.23
Cobalt
#0047AB
ΔE00 2.52
Dusk Blue
#26538D
ΔE00 3.36
Sapphire
#0F52BA
ΔE00 3.87
Light Navy
#155084
ΔE00 4.65
Darkish Blue
#014182
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#184C9E #9E6A18
analogous
#188F9E #184C9E #27189E
triadic
#184C9E #9E184C #4C9E18
tetradic
#184C9E #9E188F #9E6A18 #189E27
square
#184C9E #9E188F #9E6A18 #189E27
split-complementary
#184C9E #9E2718 #8F9E18
monochromatic
#081934 #103269 #184C9E #2066D3 #4D87E4
Accessibility & contrast
On white
8.18
#184C9E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.57
#184C9E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #184C9E
8.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##184C9E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##184C9E | 1.00 | 8.18 | 2.57 | 8.18 |
| #FFFFFF | 8.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1555A1
Deuteranopia (green-blind)
#00499C
Tritanopia (blue-blind)
#00606D
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #184c9e; /* rgb */ color: rgb(24, 76, 158); /* oklch */ color: oklch(43.3% 0.144 259.6);
Tailwind
colors: {
custom: {
50: '#6e7dbb',
500: '#184c9e',
950: '#000000',
},
}SCSS
$custom: #184c9e; $custom-light: #6e7dbb; $custom-dark: #000000;
JSON
{
"hex": "#184c9e",
"rgb": {
"r": 24,
"g": 76,
"b": 158
},
"hsl": {
"h": 216.716,
"s": 73.626,
"l": 35.686
},
"oklch": {
"l": 0.43272,
"c": 0.14438,
"h": 259.6
},
"luminance": 0.07832
}Semantic roles & 50–950 ramp
primary
#184C9E
secondary
#C6974C
accent
#A938F0
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080912
muted
#7B7B81