#2B3499#2B3499

#2B3499 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.163 H 272.2°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B3499
RGB	rgb(43, 52, 153)
HSL	hsl(235, 56%, 38%)
HSV	hsv(235, 72%, 60%)
CMYK	cmyk(71.9%, 66%, 0%, 40%)
CIE-LAB	lab(27.49, 31.42, -56.21)
CIE-LCH	lch(27.49, 64.40, 299.21°)
OKLab	oklab(38.76% 0.0064 -0.1624)
OKLCH	oklch(38.76% 0.163 272.2)
XYZ	xyz(7.9721, 5.2687, 30.7276)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3499 #99902B

analogous

#2B6B99 #2B3499 #592B99

triadic

#2B3499 #992B34 #34992B

tetradic

#2B3499 #992B6B #99902B #2B9959

square

#2B3499 #992B6B #99902B #2B9959

split-complementary

#2B3499 #99592B #6B992B

monochromatic

#101439 #1E2469 #2B3499 #3A45C8 #6972D5

Accessibility & contrast

On white

10.22

#2B3499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B3499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3499

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3499	#FFFFFF	#000000	##FFFFFF
##2B3499	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b3499;
/* rgb */ color: rgb(43, 52, 153);
/* oklch */ color: oklch(38.8% 0.163 272.2);

Tailwind

colors: {
  custom: {
    50: '#746bb8',
    500: '#2b3499',
    950: '#000000',
  },
}

SCSS

$custom: #2b3499;
$custom-light: #746bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3499",
  "rgb": {
    "r": 43,
    "g": 52,
    "b": 153
  },
  "hsl": {
    "h": 235.091,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38759,
    "c": 0.1625,
    "h": 272.2
  },
  "luminance": 0.05269
}

Semantic roles & 50–950 ramp

primary

#2B3499

secondary

#BCB464

accent

#D348DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3499

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

Preview Lab → · Contrast checker → · Palette generator →