#2F359A#2F359A

#2F359A is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.162 H 273.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F359A
RGB	rgb(47, 53, 154)
HSL	hsl(237, 53%, 39%)
HSV	hsv(237, 69%, 60%)
CMYK	cmyk(69.5%, 65.6%, 0%, 39.6%)
CIE-LAB	lab(28.07, 31.67, -55.86)
CIE-LCH	lch(28.07, 64.21, 299.55°)
OKLab	oklab(39.28% 0.0102 -0.1612)
OKLCH	oklch(39.28% 0.162 273.6)
XYZ	xyz(8.2762, 5.4829, 31.1877)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F359A #9A942F

analogous

#2F6A9A #2F359A #5F2F9A

triadic

#2F359A #9A2F35 #359A2F

tetradic

#2F359A #9A2F6A #9A942F #2F9A5F

square

#2F359A #9A2F6A #9A942F #2F9A5F

split-complementary

#2F359A #9A5F2F #6A9A2F

monochromatic

#12153C #21256B #2F359A #4149C5 #7076D3

Accessibility & contrast

On white

10.02

#2F359A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F359A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F359A

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F359A	#FFFFFF	#000000	##FFFFFF
##2F359A	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479D

Deuteranopia (green-blind)

#003D98

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f359a;
/* rgb */ color: rgb(47, 53, 154);
/* oklch */ color: oklch(39.3% 0.162 273.6);

Tailwind

colors: {
  custom: {
    50: '#766cb9',
    500: '#2f359a',
    950: '#000000',
  },
}

SCSS

$custom: #2f359a;
$custom-light: #766cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f359a",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 154
  },
  "hsl": {
    "h": 236.636,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39277,
    "c": 0.16156,
    "h": 273.6
  },
  "luminance": 0.05484
}

Semantic roles & 50–950 ramp

primary

#2F359A

secondary

#BBB66A

accent

#D44BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #2F359A

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

Preview Lab → · Contrast checker → · Palette generator →