#2B409E#2B409E
#2B409E is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.154 H 269.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).
Color values
| HEX | #2B409E |
|---|---|
| RGB | rgb(43, 64, 158) |
| HSL | hsl(229, 57%, 39%) |
| HSV | hsv(229, 73%, 62%) |
| CMYK | cmyk(72.8%, 59.5%, 0%, 38%) |
| CIE-LAB | lab(30.99, 25.34, -53.53) |
| CIE-LCH | lch(30.99, 59.22, 295.33°) |
| OKLab | oklab(41.48% -0.0027 -0.1544) |
| OKLCH | oklch(41.48% 0.154 269) |
| XYZ | xyz(8.9991, 6.6481, 33.1501) |
| Luminance | 0.0665 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.25
Cobalt
#0047AB
ΔE00 4.23
Blueberry
#464196
ΔE00 4.48
Cobalt (survey)
#1E488F
ΔE00 5.09
Blue Blue
#2242C7
ΔE00 5.57
Darkslateblue
#483D8B
ΔE00 6.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B409E #9E892B
analogous
#2B7A9E #2B409E #4F2B9E
triadic
#2B409E #9E2B40 #409E2B
tetradic
#2B409E #9E2B7A #9E892B #2B9E4F
square
#2B409E #9E2B7A #9E892B #2B9E4F
split-complementary
#2B409E #9E4F2B #7A9E2B
monochromatic
#11193E #1E2D6E #2B409E #3C56CA #6C80D7
Accessibility & contrast
On white
9.01
#2B409E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#2B409E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B409E
9.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B409E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B409E | 1.00 | 9.01 | 2.33 | 9.01 |
| #FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA1
Deuteranopia (green-blind)
#00449C
Tritanopia (blue-blind)
#005768
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2b409e; /* rgb */ color: rgb(43, 64, 158); /* oklch */ color: oklch(41.5% 0.154 269.0);
Tailwind
colors: {
custom: {
50: '#7574bb',
500: '#2b409e',
950: '#000000',
},
}SCSS
$custom: #2b409e; $custom-light: #7574bb; $custom-dark: #000000;
JSON
{
"hex": "#2b409e",
"rgb": {
"r": 43,
"g": 64,
"b": 158
},
"hsl": {
"h": 229.043,
"s": 57.214,
"l": 39.412
},
"oklch": {
"l": 0.4148,
"c": 0.15441,
"h": 269
},
"luminance": 0.06649
}Semantic roles & 50–950 ramp
primary
#2B409E
secondary
#BEAE67
accent
#C547E0
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#090812
muted
#7B7B81