#2B3B9D#2B3B9D

#2B3B9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.159 H 270.4°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B3B9D
RGB	rgb(43, 59, 157)
HSL	hsl(232, 57%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(72.6%, 62.4%, 0%, 38.4%)
CIE-LAB	lab(29.60, 28.30, -55.19)
CIE-LCH	lch(29.60, 62.02, 297.14°)
OKLab	oklab(40.42% 0.0011 -0.1593)
OKLCH	oklch(40.42% 0.159 270.4)
XYZ	xyz(8.6440, 6.0750, 32.6088)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3B9D #9D8D2B

analogous

#2B749D #2B3B9D #542B9D

triadic

#2B3B9D #9D2B3B #3B9D2B

tetradic

#2B3B9D #9D2B74 #9D8D2B #2B9D54

square

#2B3B9D #9D2B74 #9D8D2B #2B9D54

split-complementary

#2B3B9D #9D542B #749D2B

monochromatic

#11173D #1E296D #2B3B9D #3C50CA #6C7BD7

Accessibility & contrast

On white

9.48

#2B3B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B3B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3B9D

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3B9D	#FFFFFF	#000000	##FFFFFF
##2B3B9D	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b3b9d;
/* rgb */ color: rgb(43, 59, 157);
/* oklch */ color: oklch(40.4% 0.159 270.4);

Tailwind

colors: {
  custom: {
    50: '#7570bb',
    500: '#2b3b9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b3b9d;
$custom-light: #7570bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3b9d",
  "rgb": {
    "r": 43,
    "g": 59,
    "b": 157
  },
  "hsl": {
    "h": 231.579,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40422,
    "c": 0.15933,
    "h": 270.4
  },
  "luminance": 0.06076
}

Semantic roles & 50–950 ramp

primary

#2B3B9D

secondary

#BDB166

accent

#CB48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2B3B9D

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

Preview Lab → · Contrast checker → · Palette generator →