#2B4584#2B4584
#2B4584 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.110 H 265.0°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4584 |
|---|---|
| RGB | rgb(43, 69, 132) |
| HSL | hsl(222, 51%, 34%) |
| HSV | hsv(222, 67%, 52%) |
| CMYK | cmyk(67.4%, 47.7%, 0%, 48.2%) |
| CIE-LAB | lab(30.48, 12.05, -38.42) |
| CIE-LCH | lch(30.48, 40.26, 287.42°) |
| OKLab | oklab(40.49% -0.0096 -0.1099) |
| OKLCH | oklch(40.49% 0.11 265) |
| XYZ | xyz(7.2878, 6.4351, 22.6834) |
| Luminance | 0.0644 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.61
Darkish Blue
#014182
ΔE00 3.96
Twilight Blue
#0A437A
ΔE00 4.49
Dusk Blue
#26538D
ΔE00 5.54
Cobalt
#0047AB
ΔE00 5.66
Prussian Blue
#004577
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4584 #846A2B
analogous
#2B7284 #2B4584 #3E2B84
triadic
#2B4584 #842B45 #45842B
tetradic
#2B4584 #842B72 #846A2B #2B843E
square
#2B4584 #842B72 #846A2B #2B843E
split-complementary
#2B4584 #843E2B #72842B
monochromatic
#0D1528 #1C2D56 #2B4584 #3A5DB2 #5F7ECB
Accessibility & contrast
On white
9.18
#2B4584 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#2B4584 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4584
9.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4584 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4584 | 1.00 | 9.18 | 2.29 | 9.18 |
| #FFFFFF | 9.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#264C86
Deuteranopia (green-blind)
#154483
Tritanopia (blue-blind)
#00535E
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2b4584; /* rgb */ color: rgb(43, 69, 132); /* oklch */ color: oklch(40.5% 0.110 265.0);
Tailwind
colors: {
custom: {
50: '#6f78a8',
500: '#2b4584',
950: '#000000',
},
}SCSS
$custom: #2b4584; $custom-light: #6f78a8; $custom-dark: #000000;
JSON
{
"hex": "#2b4584",
"rgb": {
"r": 43,
"g": 69,
"b": 132
},
"hsl": {
"h": 222.472,
"s": 50.857,
"l": 34.314
},
"oklch": {
"l": 0.4049,
"c": 0.11029,
"h": 265
},
"luminance": 0.06436
}Semantic roles & 50–950 ramp
primary
#2B4584
secondary
#B1975A
accent
#B14DDA
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080810
muted
#7B7B7F