#2F339D#2F339D

#2F339D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.168 H 273.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F339D
RGB	rgb(47, 51, 157)
HSL	hsl(238, 54%, 40%)
HSV	hsv(238, 70%, 62%)
CMYK	cmyk(70.1%, 67.5%, 0%, 38.4%)
CIE-LAB	lab(27.86, 34.02, -58.03)
CIE-LCH	lch(27.86, 67.26, 300.38°)
OKLab	oklab(39.21% 0.0114 -0.1676)
OKLCH	oklch(39.21% 0.168 273.9)
XYZ	xyz(8.4399, 5.4055, 32.4903)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F339D #9D992F

analogous

#2F6A9D #2F339D #622F9D

triadic

#2F339D #9D2F33 #339D2F

tetradic

#2F339D #9D2F6A #9D992F #2F9D62

square

#2F339D #9D2F6A #9D992F #2F9D62

split-complementary

#2F339D #9D622F #6A9D2F

monochromatic

#13143F #21246E #2F339D #4347C7 #7275D5

Accessibility & contrast

On white

10.09

#2F339D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F339D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F339D

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F339D	#FFFFFF	#000000	##FFFFFF
##2F339D	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A0

Deuteranopia (green-blind)

#003D9B

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f339d;
/* rgb */ color: rgb(47, 51, 157);
/* oklch */ color: oklch(39.2% 0.168 273.9);

Tailwind

colors: {
  custom: {
    50: '#776bbb',
    500: '#2f339d',
    950: '#000000',
  },
}

SCSS

$custom: #2f339d;
$custom-light: #776bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f339d",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 157
  },
  "hsl": {
    "h": 237.818,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.39209,
    "c": 0.16799,
    "h": 273.9
  },
  "luminance": 0.05406
}

Semantic roles & 50–950 ramp

primary

#2F339D

secondary

#BCB96B

accent

#D84BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F339D

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

Preview Lab → · Contrast checker → · Palette generator →