#2B356E#2B356E

#2B356E is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.099 H 272.9°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B356E
RGB	rgb(43, 53, 110)
HSL	hsl(231, 44%, 30%)
HSV	hsv(231, 61%, 43%)
CMYK	cmyk(60.9%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(24.27, 14.78, -34.51)
CIE-LCH	lch(24.27, 37.55, 293.18°)
OKLab	oklab(35.28% 0.0049 -0.0986)
OKLCH	oklch(35.28% 0.099 272.9)
XYZ	xyz(5.0829, 4.1852, 15.2888)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B356E #6E642B

analogous

#2B566E #2B356E #432B6E

triadic

#2B356E #6E2B35 #356E2B

tetradic

#2B356E #6E2B56 #6E642B #2B6E43

square

#2B356E #6E2B56 #6E642B #2B6E43

split-complementary

#2B356E #6E432B #566E2B

monochromatic

#090B16 #1A2042 #2B356E #3C4A9A #5666BD

Accessibility & contrast

On white

11.43

#2B356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2B356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B356E

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B356E	#FFFFFF	#000000	##FFFFFF
##2B356E	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183D70

Deuteranopia (green-blind)

#0D376D

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b356e;
/* rgb */ color: rgb(43, 53, 110);
/* oklch */ color: oklch(35.3% 0.099 272.9);

Tailwind

colors: {
  custom: {
    50: '#6b6c98',
    500: '#2b356e',
    950: '#000000',
  },
}

SCSS

$custom: #2b356e;
$custom-light: #6b6c98;
$custom-dark: #000000;

JSON

{
  "hex": "#2b356e",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 231.045,
    "s": 43.791,
    "l": 30
  },
  "oklch": {
    "l": 0.35278,
    "c": 0.09874,
    "h": 272.9
  },
  "luminance": 0.04186
}

Semantic roles & 50–950 ramp

primary

#2B356E

secondary

#A09555

accent

#C154D4

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B356E

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

Preview Lab → · Contrast checker → · Palette generator →