#184CB4#184CB4
#184CB4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.1% C 0.174 H 262.1°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).
Color values
| HEX | #184CB4 |
|---|---|
| RGB | rgb(24, 76, 180) |
| HSL | hsl(220, 76%, 40%) |
| HSV | hsv(220, 87%, 71%) |
| CMYK | cmyk(86.7%, 57.8%, 0%, 29.4%) |
| CIE-LAB | lab(35.32, 23.92, -59.67) |
| CIE-LCH | lch(35.32, 64.29, 291.84°) |
| OKLab | oklab(45.08% -0.0239 -0.1726) |
| OKLCH | oklch(45.08% 0.174 262.1) |
| XYZ | xyz(11.1964, 8.6569, 44.2520) |
| Luminance | 0.0866 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.10
Sapphire
#0F52BA
ΔE00 2.23
Blue Blue
#2242C7
ΔE00 4.92
Cobalt (survey)
#1E488F
ΔE00 5.01
Dusk Blue
#26538D
ΔE00 5.83
Blue (survey)
#0343DF
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#184CB4 #B48018
analogous
#189AB4 #184CB4 #3218B4
triadic
#184CB4 #B4184C #4CB418
tetradic
#184CB4 #B4189A #B48018 #18B432
square
#184CB4 #B4189A #B48018 #18B432
split-complementary
#184CB4 #B43218 #9AB418
monochromatic
#0A1E48 #11357E #184CB4 #2765E2 #5D8CE9
Accessibility & contrast
On white
7.69
#184CB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#184CB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #184CB4
7.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##184CB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##184CB4 | 1.00 | 7.69 | 2.73 | 7.69 |
| #FFFFFF | 7.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AB8
Deuteranopia (green-blind)
#004CB2
Tritanopia (blue-blind)
#006678
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #184cb4; /* rgb */ color: rgb(24, 76, 180); /* oklch */ color: oklch(45.1% 0.174 262.1);
Tailwind
colors: {
custom: {
50: '#747dcb',
500: '#184cb4',
950: '#000000',
},
}SCSS
$custom: #184cb4; $custom-light: #747dcb; $custom-dark: #000000;
JSON
{
"hex": "#184cb4",
"rgb": {
"r": 24,
"g": 76,
"b": 180
},
"hsl": {
"h": 220,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.45085,
"c": 0.17421,
"h": 262.1
},
"luminance": 0.08658
}Semantic roles & 50–950 ramp
primary
#184CB4
secondary
#CDA75B
accent
#B435F3
background
#F7F7FC
surface
#EEEEF9
border
#C9C9D2
text
#0A0913
muted
#7C7B82