#2B439B#2B439B

#2B439B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.146 H 267.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B439B
RGB	rgb(43, 67, 155)
HSL	hsl(227, 57%, 39%)
HSV	hsv(227, 72%, 61%)
CMYK	cmyk(72.3%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(31.56, 22.19, -50.78)
CIE-LCH	lch(31.56, 55.41, 293.60°)
OKLab	oklab(41.83% -0.0053 -0.1463)
OKLCH	oklch(41.83% 0.146 267.9)
XYZ	xyz(8.9178, 6.8935, 31.8646)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B439B #9B832B

analogous

#2B7B9B #2B439B #4B2B9B

triadic

#2B439B #9B2B43 #439B2B

tetradic

#2B439B #9B2B7B #9B832B #2B9B4B

square

#2B439B #9B2B7B #9B832B #2B9B4B

split-complementary

#2B439B #9B4B2B #7B9B2B

monochromatic

#101A3B #1E2E6B #2B439B #3B59C9 #6B82D6

Accessibility & contrast

On white

8.83

#2B439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2B439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B439B

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B439B	#FFFFFF	#000000	##FFFFFF
##2B439B	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b439b;
/* rgb */ color: rgb(43, 67, 155);
/* oklch */ color: oklch(41.8% 0.146 267.9);

Tailwind

colors: {
  custom: {
    50: '#7476b9',
    500: '#2b439b',
    950: '#000000',
  },
}

SCSS

$custom: #2b439b;
$custom-light: #7476b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b439b",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 227.143,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41833,
    "c": 0.14636,
    "h": 267.9
  },
  "luminance": 0.06894
}

Semantic roles & 50–950 ramp

primary

#2B439B

secondary

#BCAA65

accent

#BF48E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2B439B

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

Preview Lab → · Contrast checker → · Palette generator →