#2B3D9D#2B3D9D

#2B3D9D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.157 H 269.8°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B3D9D
RGB	rgb(43, 61, 157)
HSL	hsl(231, 57%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(72.6%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(30.12, 26.97, -54.34)
CIE-LCH	lch(30.12, 60.66, 296.39°)
OKLab	oklab(40.81% -0.0004 -0.1568)
OKLCH	oklch(40.81% 0.157 269.8)
XYZ	xyz(8.7487, 6.2845, 32.6437)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3D9D #9D8B2B

analogous

#2B769D #2B3D9D #522B9D

triadic

#2B3D9D #9D2B3D #3D9D2B

tetradic

#2B3D9D #9D2B76 #9D8B2B #2B9D52

square

#2B3D9D #9D2B76 #9D8B2B #2B9D52

split-complementary

#2B3D9D #9D522B #769D2B

monochromatic

#11183D #1E2A6D #2B3D9D #3C52CA #6C7DD7

Accessibility & contrast

On white

9.30

#2B3D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B3D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3D9D

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3D9D	#FFFFFF	#000000	##FFFFFF
##2B3D9D	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00429B

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b3d9d;
/* rgb */ color: rgb(43, 61, 157);
/* oklch */ color: oklch(40.8% 0.157 269.8);

Tailwind

colors: {
  custom: {
    50: '#7572bb',
    500: '#2b3d9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b3d9d;
$custom-light: #7572bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3d9d",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 230.526,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40806,
    "c": 0.15683,
    "h": 269.8
  },
  "luminance": 0.06285
}

Semantic roles & 50–950 ramp

primary

#2B3D9D

secondary

#BDB066

accent

#C848E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2B3D9D

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

Preview Lab → · Contrast checker → · Palette generator →