#2B3373#2B3373

#2B3373 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.2% C 0.109 H 274.0°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B3373
RGB	rgb(43, 51, 115)
HSL	hsl(233, 46%, 31%)
HSV	hsv(233, 63%, 45%)
CMYK	cmyk(62.6%, 55.7%, 0%, 54.9%)
CIE-LAB	lab(24.06, 18.03, -38.06)
CIE-LCH	lch(24.06, 42.12, 295.35°)
OKLab	oklab(35.23% 0.0077 -0.1091)
OKLCH	oklch(35.23% 0.109 274)
XYZ	xyz(5.2736, 4.1186, 16.7334)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3373 #736B2B

analogous

#2B5773 #2B3373 #472B73

triadic

#2B3373 #732B33 #33732B

tetradic

#2B3373 #732B57 #736B2B #2B7347

square

#2B3373 #732B57 #736B2B #2B7347

split-complementary

#2B3373 #73472B #57732B

monochromatic

#0A0B1A #1A1F46 #2B3373 #3C47A0 #5864C1

Accessibility & contrast

On white

11.51

#2B3373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2B3373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3373

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3373	#FFFFFF	#000000	##FFFFFF
##2B3373	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3C75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#00424D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b3373;
/* rgb */ color: rgb(43, 51, 115);
/* oklch */ color: oklch(35.2% 0.109 274.0);

Tailwind

colors: {
  custom: {
    50: '#6c6a9c',
    500: '#2b3373',
    950: '#000000',
  },
}

SCSS

$custom: #2b3373;
$custom-light: #6c6a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3373",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 115
  },
  "hsl": {
    "h": 233.333,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35232,
    "c": 0.10935,
    "h": 274
  },
  "luminance": 0.04119
}

Semantic roles & 50–950 ramp

primary

#2B3373

secondary

#A59C55

accent

#C753D5

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3373

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

Preview Lab → · Contrast checker → · Palette generator →