#2B4299#2B4299
#2B4299 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.145 H 268.2°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4299 |
|---|---|
| RGB | rgb(43, 66, 153) |
| HSL | hsl(227, 56%, 38%) |
| HSV | hsv(227, 72%, 60%) |
| CMYK | cmyk(71.9%, 56.9%, 0%, 40%) |
| CIE-LAB | lab(31.14, 22.10, -50.26) |
| CIE-LCH | lch(31.14, 54.90, 293.74°) |
| OKLab | oklab(41.46% -0.0045 -0.1448) |
| OKLCH | oklch(41.46% 0.145 268.2) |
| XYZ | xyz(8.6923, 6.7090, 30.9677) |
| Luminance | 0.0671 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.97
Cobalt (survey)
#1E488F
ΔE00 4.07
Sapphire (survey)
#2138AB
ΔE00 4.37
Blueberry
#464196
ΔE00 4.73
Darkish Blue
#014182
ΔE00 5.93
Blue Blue
#2242C7
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4299 #99822B
analogous
#2B7999 #2B4299 #4B2B99
triadic
#2B4299 #992B42 #42992B
tetradic
#2B4299 #992B79 #99822B #2B994B
square
#2B4299 #992B79 #99822B #2B994B
split-complementary
#2B4299 #994B2B #79992B
monochromatic
#101939 #1E2D69 #2B4299 #3A57C8 #6980D5
Accessibility & contrast
On white
8.97
#2B4299 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#2B4299 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4299
8.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4299 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4299 | 1.00 | 8.97 | 2.34 | 8.97 |
| #FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004F9C
Deuteranopia (green-blind)
#004497
Tritanopia (blue-blind)
#005767
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2b4299; /* rgb */ color: rgb(43, 66, 153); /* oklch */ color: oklch(41.5% 0.145 268.2);
Tailwind
colors: {
custom: {
50: '#7376b8',
500: '#2b4299',
950: '#000000',
},
}SCSS
$custom: #2b4299; $custom-light: #7376b8; $custom-dark: #000000;
JSON
{
"hex": "#2b4299",
"rgb": {
"r": 43,
"g": 66,
"b": 153
},
"hsl": {
"h": 227.455,
"s": 56.122,
"l": 38.431
},
"oklch": {
"l": 0.41463,
"c": 0.14483,
"h": 268.2
},
"luminance": 0.0671
}Semantic roles & 50–950 ramp
primary
#2B4299
secondary
#BCA964
accent
#C048DF
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090811
muted
#7B7B80