#2B4599#2B4599

#2B4599 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.1% C 0.141 H 267.1°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B4599
RGB	rgb(43, 69, 153)
HSL	hsl(226, 56%, 38%)
HSV	hsv(226, 72%, 60%)
CMYK	cmyk(71.9%, 54.9%, 0%, 40%)
CIE-LAB	lab(31.96, 20.08, -48.92)
CIE-LCH	lch(31.96, 52.88, 292.31°)
OKLab	oklab(42.09% -0.0071 -0.1408)
OKLCH	oklch(42.09% 0.141 267.1)
XYZ	xyz(8.8722, 7.0688, 31.0277)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4599 #997F2B

analogous

#2B7C99 #2B4599 #482B99

triadic

#2B4599 #992B45 #45992B

tetradic

#2B4599 #992B7C #997F2B #2B9948

square

#2B4599 #992B7C #997F2B #2B9948

split-complementary

#2B4599 #99482B #7C992B

monochromatic

#101A39 #1E2F69 #2B4599 #3A5BC8 #6983D5

Accessibility & contrast

On white

8.70

#2B4599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2B4599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4599

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4599	#FFFFFF	#000000	##FFFFFF
##2B4599	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03509C

Deuteranopia (green-blind)

#004697

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b4599;
/* rgb */ color: rgb(43, 69, 153);
/* oklch */ color: oklch(42.1% 0.141 267.1);

Tailwind

colors: {
  custom: {
    50: '#7378b8',
    500: '#2b4599',
    950: '#000000',
  },
}

SCSS

$custom: #2b4599;
$custom-light: #7378b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4599",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 153
  },
  "hsl": {
    "h": 225.818,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42086,
    "c": 0.14095,
    "h": 267.1
  },
  "luminance": 0.0707
}

Semantic roles & 50–950 ramp

primary

#2B4599

secondary

#BCA764

accent

#BC48DF

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B4599

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

Preview Lab → · Contrast checker → · Palette generator →