#2B489B#2B489B
#2B489B is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.9% C 0.140 H 266.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).
Color values
| HEX | #2B489B |
|---|---|
| RGB | rgb(43, 72, 155) |
| HSL | hsl(224, 57%, 39%) |
| HSV | hsv(224, 72%, 61%) |
| CMYK | cmyk(72.3%, 53.5%, 0%, 39.2%) |
| CIE-LAB | lab(32.95, 18.82, -48.53) |
| CIE-LCH | lch(32.95, 52.05, 291.19°) |
| OKLab | oklab(42.88% -0.0095 -0.1396) |
| OKLCH | oklch(42.88% 0.14 266.1) |
| XYZ | xyz(9.2280, 7.5139, 31.9680) |
| Luminance | 0.0751 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.80
Cobalt
#0047AB
ΔE00 3.02
Sapphire
#0F52BA
ΔE00 5.33
Dusk Blue
#26538D
ΔE00 5.38
Darkish Blue
#014182
ΔE00 5.55
Blueberry
#464196
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B489B #9B7E2B
analogous
#2B809B #2B489B #462B9B
triadic
#2B489B #9B2B48 #489B2B
tetradic
#2B489B #9B2B80 #9B7E2B #2B9B46
square
#2B489B #9B2B80 #9B7E2B #2B9B46
split-complementary
#2B489B #9B462B #809B2B
monochromatic
#101B3B #1E326B #2B489B #3B5FC9 #6B86D6
Accessibility & contrast
On white
8.39
#2B489B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.50
#2B489B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B489B
8.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B489B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B489B | 1.00 | 8.39 | 2.50 | 8.39 |
| #FFFFFF | 8.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0F539E
Deuteranopia (green-blind)
#004999
Tritanopia (blue-blind)
#005C6A
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #2b489b; /* rgb */ color: rgb(43, 72, 155); /* oklch */ color: oklch(42.9% 0.140 266.1);
Tailwind
colors: {
custom: {
50: '#737ab9',
500: '#2b489b',
950: '#000000',
},
}SCSS
$custom: #2b489b; $custom-light: #737ab9; $custom-dark: #000000;
JSON
{
"hex": "#2b489b",
"rgb": {
"r": 43,
"g": 72,
"b": 155
},
"hsl": {
"h": 224.464,
"s": 56.566,
"l": 38.824
},
"oklch": {
"l": 0.42878,
"c": 0.13991,
"h": 266.1
},
"luminance": 0.07515
}Semantic roles & 50–950 ramp
primary
#2B489B
secondary
#BCA665
accent
#B948E0
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090911
muted
#7B7B80