#2B359E#2B359E
#2B359E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.168 H 271.8°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).
Color values
| HEX | #2B359E |
|---|---|
| RGB | rgb(43, 53, 158) |
| HSL | hsl(235, 57%, 39%) |
| HSV | hsv(235, 73%, 62%) |
| CMYK | cmyk(72.8%, 66.5%, 0%, 38%) |
| CIE-LAB | lab(28.19, 32.59, -58.11) |
| CIE-LCH | lch(28.19, 66.62, 299.29°) |
| OKLab | oklab(39.41% 0.0053 -0.1679) |
| OKLCH | oklch(39.41% 0.168 271.8) |
| XYZ | xyz(8.4388, 5.5276, 32.9633) |
| Luminance | 0.0553 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.11
Blueberry
#464196
ΔE00 5.03
Darkslateblue
#483D8B
ΔE00 5.98
Blue Blue
#2242C7
ΔE00 6.47
Ocean Blue
#4F42B5
ΔE00 6.47
Cobalt
#0047AB
ΔE00 7.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B359E #9E942B
analogous
#2B6E9E #2B359E #5B2B9E
triadic
#2B359E #9E2B35 #359E2B
tetradic
#2B359E #9E2B6E #9E942B #2B9E5B
square
#2B359E #9E2B6E #9E942B #2B9E5B
split-complementary
#2B359E #9E5B2B #6E9E2B
monochromatic
#11153E #1E256E #2B359E #3C49CA #6C76D7
Accessibility & contrast
On white
9.97
#2B359E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.11
#2B359E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B359E
9.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B359E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B359E | 1.00 | 9.97 | 2.11 | 9.97 |
| #FFFFFF | 9.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0048A1
Deuteranopia (green-blind)
#003D9C
Tritanopia (blue-blind)
#005164
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2b359e; /* rgb */ color: rgb(43, 53, 158); /* oklch */ color: oklch(39.4% 0.168 271.8);
Tailwind
colors: {
custom: {
50: '#756cbc',
500: '#2b359e',
950: '#000000',
},
}SCSS
$custom: #2b359e; $custom-light: #756cbc; $custom-dark: #000000;
JSON
{
"hex": "#2b359e",
"rgb": {
"r": 43,
"g": 53,
"b": 158
},
"hsl": {
"h": 234.783,
"s": 57.214,
"l": 39.412
},
"oklch": {
"l": 0.39411,
"c": 0.16801,
"h": 271.8
},
"luminance": 0.05528
}Semantic roles & 50–950 ramp
primary
#2B359E
secondary
#BEB667
accent
#D347E0
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#0A0712
muted
#7C7A81