#2F347A#2F347A

#2F347A is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.3% C 0.117 H 275.8°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F347A
RGB	rgb(47, 52, 122)
HSL	hsl(236, 44%, 33%)
HSV	hsv(236, 61%, 48%)
CMYK	cmyk(61.5%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(25.15, 20.73, -40.73)
CIE-LCH	lch(25.15, 45.70, 296.97°)
OKLab	oklab(36.29% 0.0118 -0.1168)
OKLCH	oklch(36.29% 0.117 275.8)
XYZ	xyz(5.9120, 4.4650, 18.9589)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F347A #7A752F

analogous

#2F597A #2F347A #4F2F7A

triadic

#2F347A #7A2F34 #347A2F

tetradic

#2F347A #7A2F59 #7A752F #2F7A4F

square

#2F347A #7A2F59 #7A752F #2F7A4F

split-complementary

#2F347A #7A4F2F #597A2F

monochromatic

#0D0E22 #1E214E #2F347A #4047A6 #6168C2

Accessibility & contrast

On white

11.09

#2F347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2F347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F347A

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F347A	#FFFFFF	#000000	##FFFFFF
##2F347A	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023F7C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f347a;
/* rgb */ color: rgb(47, 52, 122);
/* oklch */ color: oklch(36.3% 0.117 275.8);

Tailwind

colors: {
  custom: {
    50: '#6f6ba1',
    500: '#2f347a',
    950: '#000000',
  },
}

SCSS

$custom: #2f347a;
$custom-light: #6f6ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f347a",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 236,
    "s": 44.379,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36293,
    "c": 0.11741,
    "h": 275.8
  },
  "luminance": 0.04465
}

Semantic roles & 50–950 ramp

primary

#2F347A

secondary

#A9A45C

accent

#CC54D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F347A

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

Preview Lab → · Contrast checker → · Palette generator →