#2B3299#2B3299

#2B3299 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.165 H 272.7°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B3299
RGB	rgb(43, 50, 153)
HSL	hsl(236, 56%, 38%)
HSV	hsv(236, 72%, 60%)
CMYK	cmyk(71.9%, 67.3%, 0%, 40%)
CIE-LAB	lab(27.00, 32.72, -57.01)
CIE-LCH	lch(27.00, 65.73, 299.85°)
OKLab	oklab(38.4% 0.0078 -0.1647)
OKLCH	oklch(38.4% 0.165 272.7)
XYZ	xyz(7.8847, 5.0939, 30.6985)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3299 #99922B

analogous

#2B6999 #2B3299 #5B2B99

triadic

#2B3299 #992B32 #32992B

tetradic

#2B3299 #992B69 #99922B #2B995B

square

#2B3299 #992B69 #99922B #2B995B

split-complementary

#2B3299 #995B2B #69992B

monochromatic

#101339 #1E2269 #2B3299 #3A43C8 #6970D5

Accessibility & contrast

On white

10.40

#2B3299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B3299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3299

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3299	#FFFFFF	#000000	##FFFFFF
##2B3299	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3299;
/* rgb */ color: rgb(43, 50, 153);
/* oklch */ color: oklch(38.4% 0.165 272.7);

Tailwind

colors: {
  custom: {
    50: '#756ab8',
    500: '#2b3299',
    950: '#000000',
  },
}

SCSS

$custom: #2b3299;
$custom-light: #756ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3299",
  "rgb": {
    "r": 43,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 236.182,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38404,
    "c": 0.1649,
    "h": 272.7
  },
  "luminance": 0.05095
}

Semantic roles & 50–950 ramp

primary

#2B3299

secondary

#BCB664

accent

#D648DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2B3299

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

Preview Lab → · Contrast checker → · Palette generator →