#2B3377#2B3377

#2B3377 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.6% C 0.115 H 273.9°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B3377
RGB	rgb(43, 51, 119)
HSL	hsl(234, 47%, 32%)
HSV	hsv(234, 64%, 47%)
CMYK	cmyk(63.9%, 57.1%, 0%, 53.3%)
CIE-LAB	lab(24.36, 19.52, -40.12)
CIE-LCH	lch(24.36, 44.62, 295.95°)
OKLab	oklab(35.56% 0.0079 -0.1151)
OKLCH	oklch(35.56% 0.115 273.9)
XYZ	xyz(5.5088, 4.2127, 17.9720)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3377 #776F2B

analogous

#2B5977 #2B3377 #492B77

triadic

#2B3377 #772B33 #33772B

tetradic

#2B3377 #772B59 #776F2B #2B7749

square

#2B3377 #772B59 #776F2B #2B7749

split-complementary

#2B3377 #77492B #59772B

monochromatic

#0B0C1D #1B204A #2B3377 #3B46A4 #5964C3

Accessibility & contrast

On white

11.40

#2B3377 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2B3377 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3377

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3377	#FFFFFF	#000000	##FFFFFF
##2B3377	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023D79

Deuteranopia (green-blind)

#003776

Tritanopia (blue-blind)

#00434F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b3377;
/* rgb */ color: rgb(43, 51, 119);
/* oklch */ color: oklch(35.6% 0.115 273.9);

Tailwind

colors: {
  custom: {
    50: '#6d6a9f',
    500: '#2b3377',
    950: '#000000',
  },
}

SCSS

$custom: #2b3377;
$custom-light: #6d6a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3377",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 119
  },
  "hsl": {
    "h": 233.684,
    "s": 46.914,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35555,
    "c": 0.11541,
    "h": 273.9
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#2B3377

secondary

#A9A055

accent

#C951D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3377

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

Preview Lab → · Contrast checker → · Palette generator →