#2B4883#2B4883
#2B4883 is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.1% C 0.105 H 262.9°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4883 |
|---|---|
| RGB | rgb(43, 72, 131) |
| HSL | hsl(220, 51%, 34%) |
| HSV | hsv(220, 67%, 51%) |
| CMYK | cmyk(67.2%, 45%, 0%, 48.6%) |
| CIE-LAB | lab(31.32, 9.64, -36.47) |
| CIE-LCH | lch(31.32, 37.72, 284.81°) |
| OKLab | oklab(41.11% -0.0129 -0.1041) |
| OKLCH | oklch(41.11% 0.105 262.9) |
| XYZ | xyz(7.4089, 6.7863, 22.3878) |
| Luminance | 0.0679 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.19
Darkish Blue
#014182
ΔE00 3.84
Twilight Blue
#0A437A
ΔE00 4.06
Dusk Blue
#26538D
ΔE00 4.46
Prussian Blue
#004577
ΔE00 5.35
Light Navy
#155084
ΔE00 5.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4883 #83662B
analogous
#2B7483 #2B4883 #3A2B83
triadic
#2B4883 #832B48 #48832B
tetradic
#2B4883 #832B74 #83662B #2B833A
square
#2B4883 #832B74 #83662B #2B833A
split-complementary
#2B4883 #833A2B #74832B
monochromatic
#0D1527 #1C2F55 #2B4883 #3A61B1 #5E82CA
Accessibility & contrast
On white
8.91
#2B4883 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#2B4883 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4883
8.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4883 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4883 | 1.00 | 8.91 | 2.36 | 8.91 |
| #FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2C4E85
Deuteranopia (green-blind)
#1E4682
Tritanopia (blue-blind)
#00555F
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2b4883; /* rgb */ color: rgb(43, 72, 131); /* oklch */ color: oklch(41.1% 0.105 262.9);
Tailwind
colors: {
custom: {
50: '#6e7aa7',
500: '#2b4883',
950: '#000000',
},
}SCSS
$custom: #2b4883; $custom-light: #6e7aa7; $custom-dark: #000000;
JSON
{
"hex": "#2b4883",
"rgb": {
"r": 43,
"g": 72,
"b": 131
},
"hsl": {
"h": 220.227,
"s": 50.575,
"l": 34.118
},
"oklch": {
"l": 0.41107,
"c": 0.1049,
"h": 262.9
},
"luminance": 0.06787
}Semantic roles & 50–950 ramp
primary
#2B4883
secondary
#B0945A
accent
#AC4EDA
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#08090F
muted
#7B7B7F