#2F349C#2F349C

#2F349C is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.165 H 273.7°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#2F349C
RGB	rgb(47, 52, 156)
HSL	hsl(237, 54%, 40%)
HSV	hsv(237, 70%, 61%)
CMYK	cmyk(69.9%, 66.7%, 0%, 38.8%)
CIE-LAB	lab(28.01, 33.02, -57.18)
CIE-LCH	lch(28.01, 66.03, 300.01°)
OKLab	oklab(39.29% 0.0107 -0.1651)
OKLCH	oklch(39.29% 0.165 273.7)
XYZ	xyz(8.3990, 5.4598, 32.0573)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F349C #9C972F

analogous

#2F6A9C #2F349C #612F9C

triadic

#2F349C #9C2F34 #349C2F

tetradic

#2F349C #9C2F6A #9C972F #2F9C61

square

#2F349C #9C2F6A #9C972F #2F9C61

split-complementary

#2F349C #9C612F #6A9C2F

monochromatic

#13153E #21246D #2F349C #4248C6 #7176D4

Accessibility & contrast

On white

10.04

#2F349C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2F349C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F349C

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F349C	#FFFFFF	#000000	##FFFFFF
##2F349C	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479F

Deuteranopia (green-blind)

#003D9A

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f349c;
/* rgb */ color: rgb(47, 52, 156);
/* oklch */ color: oklch(39.3% 0.165 273.7);

Tailwind

colors: {
  custom: {
    50: '#776cba',
    500: '#2f349c',
    950: '#000000',
  },
}

SCSS

$custom: #2f349c;
$custom-light: #776cba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f349c",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 156
  },
  "hsl": {
    "h": 237.248,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39287,
    "c": 0.16547,
    "h": 273.7
  },
  "luminance": 0.05461
}

Semantic roles & 50–950 ramp

primary

#2F349C

secondary

#BCB86B

accent

#D64BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F349C

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

Preview Lab → · Contrast checker → · Palette generator →