#2F345B#2F345B

#2F345B is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.068 H 276.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F345B
RGB	rgb(47, 52, 91)
HSL	hsl(233, 32%, 27%)
HSV	hsv(233, 48%, 36%)
CMYK	cmyk(48.4%, 42.9%, 0%, 64.3%)
CIE-LAB	lab(23.05, 9.67, -24.11)
CIE-LCH	lch(23.05, 25.98, 291.85°)
OKLab	oklab(34.03% 0.0079 -0.068)
OKLCH	oklch(34.03% 0.068 276.6)
XYZ	xyz(4.2880, 3.8154, 10.4060)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F345B #5B562F

analogous

#2F4A5B #2F345B #402F5B

triadic

#2F345B #5B2F34 #345B2F

tetradic

#2F345B #5B2F4A #5B562F #2F5B40

square

#2F345B #5B2F4A #5B562F #2F5B40

split-complementary

#2F345B #5B402F #4A5B2F

monochromatic

#0A0C14 #1A1D33 #2F345B #444B83 #5A63AA

Accessibility & contrast

On white

11.91

#2F345B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2F345B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F345B

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F345B	#FFFFFF	#000000	##FFFFFF
##2F345B	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26395D

Deuteranopia (green-blind)

#22355A

Tritanopia (blue-blind)

#203C43

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f345b;
/* rgb */ color: rgb(47, 52, 91);
/* oklch */ color: oklch(34.0% 0.068 276.6);

Tailwind

colors: {
  custom: {
    50: '#6a6b89',
    500: '#2f345b',
    950: '#000000',
  },
}

SCSS

$custom: #2f345b;
$custom-light: #6a6b89;
$custom-dark: #000000;

JSON

{
  "hex": "#2f345b",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 91
  },
  "hsl": {
    "h": 233.182,
    "s": 31.884,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34028,
    "c": 0.06848,
    "h": 276.6
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#2F345B

secondary

#8D8759

accent

#BC60C8

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #2F345B

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

Preview Lab → · Contrast checker → · Palette generator →