#2B3699#2B3699

#2B3699 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.160 H 271.8°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#2B3699
RGB	rgb(43, 54, 153)
HSL	hsl(234, 56%, 38%)
HSV	hsv(234, 72%, 60%)
CMYK	cmyk(71.9%, 64.7%, 0%, 40%)
CIE-LAB	lab(27.98, 30.12, -55.40)
CIE-LCH	lch(27.98, 63.05, 298.53°)
OKLab	oklab(39.12% 0.0049 -0.16)
OKLCH	oklch(39.12% 0.16 271.8)
XYZ	xyz(8.0633, 5.4510, 30.7580)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3699 #998E2B

analogous

#2B6D99 #2B3699 #572B99

triadic

#2B3699 #992B36 #36992B

tetradic

#2B3699 #992B6D #998E2B #2B9957

square

#2B3699 #992B6D #998E2B #2B9957

split-complementary

#2B3699 #99572B #6D992B

monochromatic

#101439 #1E2569 #2B3699 #3A48C8 #6974D5

Accessibility & contrast

On white

10.05

#2B3699 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2B3699 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3699

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3699	#FFFFFF	#000000	##FFFFFF
##2B3699	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b3699;
/* rgb */ color: rgb(43, 54, 153);
/* oklch */ color: oklch(39.1% 0.160 271.8);

Tailwind

colors: {
  custom: {
    50: '#746db8',
    500: '#2b3699',
    950: '#000000',
  },
}

SCSS

$custom: #2b3699;
$custom-light: #746db8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3699",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 153
  },
  "hsl": {
    "h": 234,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39122,
    "c": 0.16007,
    "h": 271.8
  },
  "luminance": 0.05452
}

Semantic roles & 50–950 ramp

primary

#2B3699

secondary

#BCB364

accent

#D048DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B3699

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

Preview Lab → · Contrast checker → · Palette generator →