#2B2579#2B2579

#2B2579 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.137 H 279.0°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B2579
RGB	rgb(43, 37, 121)
HSL	hsl(244, 53%, 31%)
HSV	hsv(244, 69%, 47%)
CMYK	cmyk(64.5%, 69.4%, 0%, 52.5%)
CIE-LAB	lab(20.89, 29.67, -47.04)
CIE-LCH	lch(20.89, 55.61, 302.24°)
OKLab	oklab(33.05% 0.0214 -0.1356)
OKLCH	oklch(33.05% 0.137 279)
XYZ	xyz(5.1079, 3.2168, 18.4372)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2579 #737925

analogous

#254979 #2B2579 #552579

triadic

#2B2579 #792B25 #25792B

tetradic

#2B2579 #792549 #737925 #257955

square

#2B2579 #792549 #737925 #257955

split-complementary

#2B2579 #795525 #497925

monochromatic

#0A081B #1A174A #2B2579 #3C33A8 #584FC9

Accessibility & contrast

On white

12.78

#2B2579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2B2579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2579

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2579	#FFFFFF	#000000	##FFFFFF
##2B2579	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367C

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2b2579;
/* rgb */ color: rgb(43, 37, 121);
/* oklch */ color: oklch(33.1% 0.137 279.0);

Tailwind

colors: {
  custom: {
    50: '#6e60a1',
    500: '#2b2579',
    950: '#000000',
  },
}

SCSS

$custom: #2b2579;
$custom-light: #6e60a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2579",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 121
  },
  "hsl": {
    "h": 244.286,
    "s": 53.165,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33052,
    "c": 0.13725,
    "h": 279
  },
  "luminance": 0.03217
}

Semantic roles & 50–950 ramp

primary

#2B2579

secondary

#A5AB4E

accent

#DD4BD2

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B2579

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

Preview Lab → · Contrast checker → · Palette generator →