#2F355B#2F355B

#2F355B is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.067 H 275.5°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F355B
RGB	rgb(47, 53, 91)
HSL	hsl(232, 32%, 27%)
HSV	hsv(232, 48%, 36%)
CMYK	cmyk(48.4%, 41.8%, 0%, 64.3%)
CIE-LAB	lab(23.36, 8.97, -23.63)
CIE-LCH	lch(23.36, 25.27, 290.80°)
OKLab	oklab(34.26% 0.0064 -0.0666)
OKLCH	oklch(34.26% 0.067 275.5)
XYZ	xyz(4.3331, 3.9057, 10.4210)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F355B #5B552F

analogous

#2F4B5B #2F355B #3F2F5B

triadic

#2F355B #5B2F35 #355B2F

tetradic

#2F355B #5B2F4B #5B552F #2F5B3F

square

#2F355B #5B2F4B #5B552F #2F5B3F

split-complementary

#2F355B #5B3F2F #4B5B2F

monochromatic

#0A0C14 #1A1D33 #2F355B #444D83 #5A65AA

Accessibility & contrast

On white

11.79

#2F355B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2F355B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F355B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F355B	#FFFFFF	#000000	##FFFFFF
##2F355B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273A5C

Deuteranopia (green-blind)

#24365A

Tritanopia (blue-blind)

#203D43

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2f355b;
/* rgb */ color: rgb(47, 53, 91);
/* oklch */ color: oklch(34.3% 0.067 275.5);

Tailwind

colors: {
  custom: {
    50: '#6a6c89',
    500: '#2f355b',
    950: '#000000',
  },
}

SCSS

$custom: #2f355b;
$custom-light: #6a6c89;
$custom-dark: #000000;

JSON

{
  "hex": "#2f355b",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 91
  },
  "hsl": {
    "h": 231.818,
    "s": 31.884,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34262,
    "c": 0.06692,
    "h": 275.5
  },
  "luminance": 0.03906
}

Semantic roles & 50–950 ramp

primary

#2F355B

secondary

#8D8659

accent

#BA60C8

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #2F355B

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

Preview Lab → · Contrast checker → · Palette generator →