#2B4488#2B4488
#2B4488 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.6% C 0.118 H 266.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4488 |
|---|---|
| RGB | rgb(43, 68, 136) |
| HSL | hsl(224, 52%, 35%) |
| HSV | hsv(224, 68%, 53%) |
| CMYK | cmyk(68.4%, 50%, 0%, 46.7%) |
| CIE-LAB | lab(30.46, 14.26, -40.93) |
| CIE-LCH | lch(30.46, 43.34, 289.20°) |
| OKLab | oklab(40.56% -0.008 -0.1173) |
| OKLCH | oklch(40.56% 0.118 266.1) |
| XYZ | xyz(7.5058, 6.4247, 24.1323) |
| Luminance | 0.0643 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.71
Darkish Blue
#014182
ΔE00 4.24
Twilight Blue
#0A437A
ΔE00 4.95
Cobalt
#0047AB
ΔE00 5.26
Dusk Blue
#26538D
ΔE00 5.94
Blueberry
#464196
ΔE00 6.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4488 #886F2B
analogous
#2B7288 #2B4488 #412B88
triadic
#2B4488 #882B44 #44882B
tetradic
#2B4488 #882B72 #886F2B #2B8841
square
#2B4488 #882B72 #886F2B #2B8841
split-complementary
#2B4488 #88412B #72882B
monochromatic
#0E162B #1C2D5A #2B4488 #3A5BB6 #617ECD
Accessibility & contrast
On white
9.19
#2B4488 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#2B4488 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4488
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4488 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4488 | 1.00 | 9.19 | 2.29 | 9.19 |
| #FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#204C8A
Deuteranopia (green-blind)
#084487
Tritanopia (blue-blind)
#00545F
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2b4488; /* rgb */ color: rgb(43, 68, 136); /* oklch */ color: oklch(40.6% 0.118 266.1);
Tailwind
colors: {
custom: {
50: '#6f77ab',
500: '#2b4488',
950: '#000000',
},
}SCSS
$custom: #2b4488; $custom-light: #6f77ab; $custom-dark: #000000;
JSON
{
"hex": "#2b4488",
"rgb": {
"r": 43,
"g": 68,
"b": 136
},
"hsl": {
"h": 223.871,
"s": 51.955,
"l": 35.098
},
"oklch": {
"l": 0.40557,
"c": 0.11756,
"h": 266.1
},
"luminance": 0.06425
}Semantic roles & 50–950 ramp
primary
#2B4488
secondary
#B39C5C
accent
#B54CDB
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080810
muted
#7B7B7F