#2B2F73#2B2F73

#2B2F73 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.4% C 0.115 H 276.0°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B2F73
RGB	rgb(43, 47, 115)
HSL	hsl(237, 46%, 31%)
HSV	hsv(237, 63%, 45%)
CMYK	cmyk(62.6%, 59.1%, 0%, 54.9%)
CIE-LAB	lab(22.94, 20.80, -39.86)
CIE-LCH	lch(22.94, 44.97, 297.56°)
OKLab	oklab(34.4% 0.012 -0.1144)
OKLCH	oklch(34.4% 0.115 276)
XYZ	xyz(5.1063, 3.7840, 16.6776)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2F73 #736F2B

analogous

#2B5373 #2B2F73 #4B2B73

triadic

#2B2F73 #732B2F #2F732B

tetradic

#2B2F73 #732B53 #736F2B #2B734B

square

#2B2F73 #732B53 #736F2B #2B734B

split-complementary

#2B2F73 #734B2B #53732B

monochromatic

#0A0B1A #1A1D46 #2B2F73 #3C41A0 #585EC1

Accessibility & contrast

On white

11.95

#2B2F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2B2F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2F73

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2F73	#FFFFFF	#000000	##FFFFFF
##2B2F73	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#003F4C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b2f73;
/* rgb */ color: rgb(43, 47, 115);
/* oklch */ color: oklch(34.4% 0.115 276.0);

Tailwind

colors: {
  custom: {
    50: '#6c679c',
    500: '#2b2f73',
    950: '#000000',
  },
}

SCSS

$custom: #2b2f73;
$custom-light: #6c679c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2f73",
  "rgb": {
    "r": 43,
    "g": 47,
    "b": 115
  },
  "hsl": {
    "h": 236.667,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.11506,
    "h": 276
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#2B2F73

secondary

#A5A055

accent

#CE53D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B2F73

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

Preview Lab → · Contrast checker → · Palette generator →