#2B4597#2B4597
#2B4597 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.138 H 267.0°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).
Color values
| HEX | #2B4597 |
|---|---|
| RGB | rgb(43, 69, 151) |
| HSL | hsl(226, 56%, 38%) |
| HSV | hsv(226, 72%, 59%) |
| CMYK | cmyk(71.5%, 54.3%, 0%, 40.8%) |
| CIE-LAB | lab(31.81, 19.31, -47.94) |
| CIE-LCH | lch(31.81, 51.68, 291.94°) |
| OKLab | oklab(41.93% -0.0072 -0.1379) |
| OKLCH | oklch(41.93% 0.138 267) |
| XYZ | xyz(8.7084, 7.0033, 30.1650) |
| Luminance | 0.0700 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.05
Cobalt
#0047AB
ΔE00 3.60
Darkish Blue
#014182
ΔE00 5.34
Blueberry
#464196
ΔE00 5.37
Sapphire (survey)
#2138AB
ΔE00 5.45
Dusk Blue
#26538D
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B4597 #977D2B
analogous
#2B7B97 #2B4597 #472B97
triadic
#2B4597 #972B45 #45972B
tetradic
#2B4597 #972B7B #977D2B #2B9747
square
#2B4597 #972B7B #977D2B #2B9747
split-complementary
#2B4597 #97472B #7B972B
monochromatic
#101938 #1D2F67 #2B4597 #395BC7 #6882D4
Accessibility & contrast
On white
8.75
#2B4597 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#2B4597 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B4597
8.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B4597 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B4597 | 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)
#0A509A
Deuteranopia (green-blind)
#004695
Tritanopia (blue-blind)
#005967
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #2b4597; /* rgb */ color: rgb(43, 69, 151); /* oklch */ color: oklch(41.9% 0.138 267.0);
Tailwind
colors: {
custom: {
50: '#7378b6',
500: '#2b4597',
950: '#000000',
},
}SCSS
$custom: #2b4597; $custom-light: #7378b6; $custom-dark: #000000;
JSON
{
"hex": "#2b4597",
"rgb": {
"r": 43,
"g": 69,
"b": 151
},
"hsl": {
"h": 225.556,
"s": 55.67,
"l": 38.039
},
"oklch": {
"l": 0.41927,
"c": 0.13809,
"h": 267
},
"luminance": 0.07004
}Semantic roles & 50–950 ramp
primary
#2B4597
secondary
#BBA663
accent
#BB49DF
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090811
muted
#7B7B80