#2B3DAB#2B3DAB

#2B3DAB is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.176 H 269.7°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B3DAB
RGB	rgb(43, 61, 171)
HSL	hsl(232, 60%, 42%)
HSV	hsv(232, 75%, 67%)
CMYK	cmyk(74.9%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(31.32, 32.16, -60.81)
CIE-LCH	lch(31.32, 68.79, 297.87°)
OKLab	oklab(42.07% -0.0008 -0.1758)
OKLCH	oklch(42.07% 0.176 269.7)
XYZ	xyz(10.0132, 6.7903, 39.3031)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3DAB #AB992B

analogous

#2B7DAB #2B3DAB #592BAB

triadic

#2B3DAB #AB2B3D #3DAB2B

tetradic

#2B3DAB #AB2B7D #AB992B #2BAB59

square

#2B3DAB #AB2B7D #AB992B #2BAB59

split-complementary

#2B3DAB #AB592B #7DAB2B

monochromatic

#121A49 #1F2C7A #2B3DAB #4357D0 #7483DC

Accessibility & contrast

On white

8.91

#2B3DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2B3DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3DAB

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3DAB	#FFFFFF	#000000	##FFFFFF
##2B3DAB	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b3dab;
/* rgb */ color: rgb(43, 61, 171);
/* oklch */ color: oklch(42.1% 0.176 269.7);

Tailwind

colors: {
  custom: {
    50: '#7872c5',
    500: '#2b3dab',
    950: '#000000',
  },
}

SCSS

$custom: #2b3dab;
$custom-light: #7872c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3dab",
  "rgb": {
    "r": 43,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 231.563,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42069,
    "c": 0.17579,
    "h": 269.7
  },
  "luminance": 0.06791
}

Semantic roles & 50–950 ramp

primary

#2B3DAB

secondary

#C4B86E

accent

#CD45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3DAB

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

Preview Lab → · Contrast checker → · Palette generator →