#2B337A#2B337A

#2B337A is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.8% C 0.120 H 273.8°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B337A
RGB	rgb(43, 51, 122)
HSL	hsl(234, 48%, 32%)
HSV	hsv(234, 65%, 48%)
CMYK	cmyk(64.8%, 58.2%, 0%, 52.2%)
CIE-LAB	lab(24.59, 20.64, -41.65)
CIE-LCH	lch(24.59, 46.48, 296.36°)
OKLab	oklab(35.8% 0.008 -0.1196)
OKLCH	oklch(35.8% 0.12 273.8)
XYZ	xyz(5.6918, 4.2859, 18.9359)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B337A #7A722B

analogous

#2B5B7A #2B337A #4B2B7A

triadic

#2B337A #7A2B33 #337A2B

tetradic

#2B337A #7A2B5B #7A722B #2B7A4B

square

#2B337A #7A2B5B #7A722B #2B7A4B

split-complementary

#2B337A #7A4B2B #5B7A2B

monochromatic

#0B0D1F #1B204D #2B337A #3B46A7 #5A65C5

Accessibility & contrast

On white

11.31

#2B337A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2B337A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B337A

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B337A	#FFFFFF	#000000	##FFFFFF
##2B337A	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7C

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b337a;
/* rgb */ color: rgb(43, 51, 122);
/* oklch */ color: oklch(35.8% 0.120 273.8);

Tailwind

colors: {
  custom: {
    50: '#6d6aa1',
    500: '#2b337a',
    950: '#000000',
  },
}

SCSS

$custom: #2b337a;
$custom-light: #6d6aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b337a",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 122
  },
  "hsl": {
    "h": 233.924,
    "s": 47.879,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35803,
    "c": 0.1199,
    "h": 273.8
  },
  "luminance": 0.04286
}

Semantic roles & 50–950 ramp

primary

#2B337A

secondary

#ABA256

accent

#CA50D7

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #2B337A

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

Preview Lab → · Contrast checker → · Palette generator →