#2B3497#2B3497

#2B3497 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.160 H 272.3°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B3497
RGB	rgb(43, 52, 151)
HSL	hsl(235, 56%, 38%)
HSV	hsv(235, 72%, 59%)
CMYK	cmyk(71.5%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(27.31, 30.69, -55.28)
CIE-LCH	lch(27.31, 63.23, 299.04°)
OKLab	oklab(38.57% 0.0065 -0.1597)
OKLCH	oklch(38.57% 0.16 272.3)
XYZ	xyz(7.8083, 5.2032, 29.8650)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3497 #978E2B

analogous

#2B6A97 #2B3497 #582B97

triadic

#2B3497 #972B34 #34972B

tetradic

#2B3497 #972B6A #978E2B #2B9758

square

#2B3497 #972B6A #978E2B #2B9758

split-complementary

#2B3497 #97582B #6A972B

monochromatic

#101338 #1D2467 #2B3497 #3944C7 #6871D4

Accessibility & contrast

On white

10.29

#2B3497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2B3497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3497

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3497	#FFFFFF	#000000	##FFFFFF
##2B3497	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3497;
/* rgb */ color: rgb(43, 52, 151);
/* oklch */ color: oklch(38.6% 0.160 272.3);

Tailwind

colors: {
  custom: {
    50: '#746bb6',
    500: '#2b3497',
    950: '#000000',
  },
}

SCSS

$custom: #2b3497;
$custom-light: #746bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3497",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 235,
    "s": 55.67,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38571,
    "c": 0.15979,
    "h": 272.3
  },
  "luminance": 0.05204
}

Semantic roles & 50–950 ramp

primary

#2B3497

secondary

#BBB363

accent

#D249DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3497

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

Preview Lab → · Contrast checker → · Palette generator →