#2B4D99#2B4D99

#2B4D99 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.131 H 263.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D99
RGB	rgb(43, 77, 153)
HSL	hsl(221, 56%, 38%)
HSV	hsv(221, 72%, 60%)
CMYK	cmyk(71.9%, 49.7%, 0%, 40%)
CIE-LAB	lab(34.23, 14.69, -45.25)
CIE-LCH	lch(34.23, 47.58, 287.98°)
OKLab	oklab(43.81% -0.0142 -0.1298)
OKLCH	oklch(43.81% 0.131 263.7)
XYZ	xyz(9.3979, 8.1203, 31.2029)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D99 #99772B

analogous

#2B8499 #2B4D99 #402B99

triadic

#2B4D99 #992B4D #4D992B

tetradic

#2B4D99 #992B84 #99772B #2B9940

square

#2B4D99 #992B84 #99772B #2B9940

split-complementary

#2B4D99 #99402B #84992B

monochromatic

#101D39 #1E3569 #2B4D99 #3A66C8 #698BD5

Accessibility & contrast

On white

8.00

#2B4D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2B4D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D99

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D99	#FFFFFF	#000000	##FFFFFF
##2B4D99	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23569C

Deuteranopia (green-blind)

#004C97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b4d99;
/* rgb */ color: rgb(43, 77, 153);
/* oklch */ color: oklch(43.8% 0.131 263.7);

Tailwind

colors: {
  custom: {
    50: '#737eb7',
    500: '#2b4d99',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d99;
$custom-light: #737eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d99",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 153
  },
  "hsl": {
    "h": 221.455,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43809,
    "c": 0.13063,
    "h": 263.7
  },
  "luminance": 0.08121
}

Semantic roles & 50–950 ramp

primary

#2B4D99

secondary

#BCA164

accent

#B148DF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2B4D99

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →