#2B356F#2B356F

#2B356F is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.4% C 0.100 H 272.9°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B356F
RGB	rgb(43, 53, 111)
HSL	hsl(231, 44%, 30%)
HSV	hsv(231, 61%, 44%)
CMYK	cmyk(61.3%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(24.34, 15.15, -35.04)
CIE-LCH	lch(24.34, 38.18, 293.38°)
OKLab	oklab(35.35% 0.005 -0.1002)
OKLCH	oklch(35.35% 0.1 272.9)
XYZ	xyz(5.1377, 4.2071, 15.5772)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B356F #6F652B

analogous

#2B576F #2B356F #432B6F

triadic

#2B356F #6F2B35 #356F2B

tetradic

#2B356F #6F2B57 #6F652B #2B6F43

square

#2B356F #6F2B57 #6F652B #2B6F43

split-complementary

#2B356F #6F432B #576F2B

monochromatic

#090B17 #1A2043 #2B356F #3C4A9B #5766BE

Accessibility & contrast

On white

11.40

#2B356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2B356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B356F

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B356F	#FFFFFF	#000000	##FFFFFF
##2B356F	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173D71

Deuteranopia (green-blind)

#0B376E

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b356f;
/* rgb */ color: rgb(43, 53, 111);
/* oklch */ color: oklch(35.4% 0.100 272.9);

Tailwind

colors: {
  custom: {
    50: '#6b6c99',
    500: '#2b356f',
    950: '#000000',
  },
}

SCSS

$custom: #2b356f;
$custom-light: #6b6c99;
$custom-dark: #000000;

JSON

{
  "hex": "#2b356f",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 231.176,
    "s": 44.156,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35354,
    "c": 0.10031,
    "h": 272.9
  },
  "luminance": 0.04207
}

Semantic roles & 50–950 ramp

primary

#2B356F

secondary

#A19655

accent

#C154D4

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B356F

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

Preview Lab → · Contrast checker → · Palette generator →