#2B4284#2B4284
#2B4284 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.8% C 0.114 H 266.7°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4284 |
|---|---|
| RGB | rgb(43, 66, 132) |
| HSL | hsl(224, 51%, 34%) |
| HSV | hsv(224, 67%, 52%) |
| CMYK | cmyk(67.4%, 50%, 0%, 48.2%) |
| CIE-LAB | lab(29.60, 14.10, -39.83) |
| CIE-LCH | lch(29.60, 42.25, 289.49°) |
| OKLab | oklab(39.82% -0.0065 -0.1141) |
| OKLCH | oklch(39.82% 0.114 266.7) |
| XYZ | xyz(7.1079, 6.0753, 22.6234) |
| Luminance | 0.0608 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.39
Darkish Blue
#014182
ΔE00 4.35
Twilight Blue
#0A437A
ΔE00 5.06
Cobalt
#0047AB
ΔE00 5.96
Blueberry
#464196
ΔE00 6.17
Marine Blue
#01386A
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4284 #846D2B
analogous
#2B6F84 #2B4284 #412B84
triadic
#2B4284 #842B42 #42842B
tetradic
#2B4284 #842B6F #846D2B #2B8441
square
#2B4284 #842B6F #846D2B #2B8441
split-complementary
#2B4284 #84412B #6F842B
monochromatic
#0D1428 #1C2B56 #2B4284 #3A59B2 #5F7BCB
Accessibility & contrast
On white
9.48
#2B4284 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.22
#2B4284 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4284
9.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4284 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4284 | 1.00 | 9.48 | 2.22 | 9.48 |
| #FFFFFF | 9.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1F4A86
Deuteranopia (green-blind)
#0A4283
Tritanopia (blue-blind)
#00515C
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #2b4284; /* rgb */ color: rgb(43, 66, 132); /* oklch */ color: oklch(39.8% 0.114 266.7);
Tailwind
colors: {
custom: {
50: '#6f76a8',
500: '#2b4284',
950: '#000000',
},
}SCSS
$custom: #2b4284; $custom-light: #6f76a8; $custom-dark: #000000;
JSON
{
"hex": "#2b4284",
"rgb": {
"r": 43,
"g": 66,
"b": 132
},
"hsl": {
"h": 224.494,
"s": 50.857,
"l": 34.314
},
"oklch": {
"l": 0.39815,
"c": 0.11427,
"h": 266.7
},
"luminance": 0.06076
}Semantic roles & 50–950 ramp
primary
#2B4284
secondary
#B19A5A
accent
#B64DDA
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080810
muted
#7B7B7F