#2B3783#2B3783
#2B3783 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.128 H 272.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3783 |
|---|---|
| RGB | rgb(43, 55, 131) |
| HSL | hsl(232, 51%, 34%) |
| HSV | hsv(232, 67%, 51%) |
| CMYK | cmyk(67.2%, 58%, 0%, 48.6%) |
| CIE-LAB | lab(26.40, 21.26, -44.38) |
| CIE-LCH | lch(26.40, 49.21, 295.60°) |
| OKLab | oklab(37.38% 0.0044 -0.1276) |
| OKLCH | oklch(37.38% 0.128 272) |
| XYZ | xyz(6.4578, 4.8841, 22.0707) |
| Luminance | 0.0488 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkslateblue
#483D8B
ΔE00 5.22
Blueberry
#464196
ΔE00 5.33
Sapphire (survey)
#2138AB
ΔE00 6.05
Cobalt (survey)
#1E488F
ΔE00 6.89
Darkish Blue
#014182
ΔE00 7.03
Marine
#042E60
ΔE00 7.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3783 #83772B
analogous
#2B6383 #2B3783 #4B2B83
triadic
#2B3783 #832B37 #37832B
tetradic
#2B3783 #832B63 #83772B #2B834B
square
#2B3783 #832B63 #83772B #2B834B
split-complementary
#2B3783 #834B2B #63832B
monochromatic
#0D1027 #1C2455 #2B3783 #3A4AB1 #5E6DCA
Accessibility & contrast
On white
10.62
#2B3783 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.98
#2B3783 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3783
10.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3783 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3783 | 1.00 | 10.62 | 1.98 | 10.62 |
| #FFFFFF | 10.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.98 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004386
Deuteranopia (green-blind)
#003B81
Tritanopia (blue-blind)
#004957
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #2b3783; /* rgb */ color: rgb(43, 55, 131); /* oklch */ color: oklch(37.4% 0.128 272.0);
Tailwind
colors: {
custom: {
50: '#6f6da8',
500: '#2b3783',
950: '#000000',
},
}SCSS
$custom: #2b3783; $custom-light: #6f6da8; $custom-dark: #000000;
JSON
{
"hex": "#2b3783",
"rgb": {
"r": 43,
"g": 55,
"b": 131
},
"hsl": {
"h": 231.818,
"s": 50.575,
"l": 34.118
},
"oklch": {
"l": 0.37376,
"c": 0.12769,
"h": 272
},
"luminance": 0.04885
}Semantic roles & 50–950 ramp
primary
#2B3783
secondary
#B0A45A
accent
#C74EDA
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#080710
muted
#7B7A7F