#2B439E#2B439E
#2B439E is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.151 H 268.1°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).
Color values
| HEX | #2B439E |
|---|---|
| RGB | rgb(43, 67, 158) |
| HSL | hsl(227, 57%, 39%) |
| HSV | hsv(227, 73%, 62%) |
| CMYK | cmyk(72.8%, 57.6%, 0%, 38%) |
| CIE-LAB | lab(31.80, 23.32, -52.22) |
| CIE-LCH | lch(31.80, 57.19, 294.07°) |
| OKLab | oklab(42.08% -0.0051 -0.1505) |
| OKLCH | oklch(42.08% 0.151 268.1) |
| XYZ | xyz(9.1728, 6.9956, 33.2080) |
| Luminance | 0.0700 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.53
Sapphire (survey)
#2138AB
ΔE00 4.11
Cobalt (survey)
#1E488F
ΔE00 4.27
Blueberry
#464196
ΔE00 4.85
Blue Blue
#2242C7
ΔE00 5.67
Darkish Blue
#014182
ΔE00 6.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B439E #9E862B
analogous
#2B7D9E #2B439E #4C2B9E
triadic
#2B439E #9E2B43 #439E2B
tetradic
#2B439E #9E2B7D #9E862B #2B9E4C
square
#2B439E #9E2B7D #9E862B #2B9E4C
split-complementary
#2B439E #9E4C2B #7D9E2B
monochromatic
#111A3E #1E2F6E #2B439E #3C5ACA #6C83D7
Accessibility & contrast
On white
8.75
#2B439E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#2B439E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B439E
8.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B439E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B439E | 1.00 | 8.75 | 2.40 | 8.75 |
| #FFFFFF | 8.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050A1
Deuteranopia (green-blind)
#00469C
Tritanopia (blue-blind)
#00596A
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2b439e; /* rgb */ color: rgb(43, 67, 158); /* oklch */ color: oklch(42.1% 0.151 268.1);
Tailwind
colors: {
custom: {
50: '#7476bb',
500: '#2b439e',
950: '#000000',
},
}SCSS
$custom: #2b439e; $custom-light: #7476bb; $custom-dark: #000000;
JSON
{
"hex": "#2b439e",
"rgb": {
"r": 43,
"g": 67,
"b": 158
},
"hsl": {
"h": 227.478,
"s": 57.214,
"l": 39.412
},
"oklch": {
"l": 0.42082,
"c": 0.15059,
"h": 268.1
},
"luminance": 0.06997
}Semantic roles & 50–950 ramp
primary
#2B439E
secondary
#BEAC67
accent
#C147E0
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#090812
muted
#7B7B81