#2B408C#2B408C
#2B408C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.0% C 0.129 H 268.4°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).
Color values
| HEX | #2B408C |
|---|---|
| RGB | rgb(43, 64, 140) |
| HSL | hsl(227, 53%, 36%) |
| HSV | hsv(227, 69%, 55%) |
| CMYK | cmyk(69.3%, 54.3%, 0%, 45.1%) |
| CIE-LAB | lab(29.60, 18.51, -44.79) |
| CIE-LCH | lch(29.60, 48.47, 292.45°) |
| OKLab | oklab(39.99% -0.0036 -0.1287) |
| OKLCH | oklch(39.99% 0.129 268.4) |
| XYZ | xyz(7.5617, 6.0731, 25.5796) |
| Luminance | 0.0607 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.97
Blueberry
#464196
ΔE00 5.07
Darkish Blue
#014182
ΔE00 5.15
Cobalt
#0047AB
ΔE00 5.37
Sapphire (survey)
#2138AB
ΔE00 5.66
Darkslateblue
#483D8B
ΔE00 6.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B408C #8C772B
analogous
#2B708C #2B408C #462B8C
triadic
#2B408C #8C2B40 #408C2B
tetradic
#2B408C #8C2B70 #8C772B #2B8C46
square
#2B408C #8C2B70 #8C772B #2B8C46
split-complementary
#2B408C #8C462B #708C2B
monochromatic
#0E152E #1D2B5D #2B408C #3955BB #627ACF
Accessibility & contrast
On white
9.48
#2B408C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.21
#2B408C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B408C
9.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B408C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B408C | 1.00 | 9.48 | 2.21 | 9.48 |
| #FFFFFF | 9.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0D4A8F
Deuteranopia (green-blind)
#00428A
Tritanopia (blue-blind)
#00525F
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #2b408c; /* rgb */ color: rgb(43, 64, 140); /* oklch */ color: oklch(40.0% 0.129 268.4);
Tailwind
colors: {
custom: {
50: '#7074ae',
500: '#2b408c',
950: '#000000',
},
}SCSS
$custom: #2b408c; $custom-light: #7074ae; $custom-dark: #000000;
JSON
{
"hex": "#2b408c",
"rgb": {
"r": 43,
"g": 64,
"b": 140
},
"hsl": {
"h": 227.01,
"s": 53.005,
"l": 35.882
},
"oklch": {
"l": 0.39993,
"c": 0.12876,
"h": 268.4
},
"luminance": 0.06074
}Semantic roles & 50–950 ramp
primary
#2B408C
secondary
#B5A25E
accent
#BD4BDC
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080810
muted
#7B7B7F