#2F339C#2F339C

#2F339C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.167 H 273.9°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F339C
RGB	rgb(47, 51, 156)
HSL	hsl(238, 54%, 40%)
HSV	hsv(238, 70%, 61%)
CMYK	cmyk(69.9%, 67.3%, 0%, 38.8%)
CIE-LAB	lab(27.77, 33.66, -57.57)
CIE-LCH	lch(27.77, 66.69, 300.32°)
OKLab	oklab(39.11% 0.0115 -0.1663)
OKLCH	oklch(39.11% 0.167 273.9)
XYZ	xyz(8.3549, 5.3715, 32.0425)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F339C #9C982F

analogous

#2F6A9C #2F339C #612F9C

triadic

#2F339C #9C2F33 #339C2F

tetradic

#2F339C #9C2F6A #9C982F #2F9C61

square

#2F339C #9C2F6A #9C982F #2F9C61

split-complementary

#2F339C #9C612F #6A9C2F

monochromatic

#13143E #21246D #2F339C #4247C6 #7175D4

Accessibility & contrast

On white

10.12

#2F339C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F339C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F339C

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F339C	#FFFFFF	#000000	##FFFFFF
##2F339C	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	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: #2f339c;
/* rgb */ color: rgb(47, 51, 156);
/* oklch */ color: oklch(39.1% 0.167 273.9);

Tailwind

colors: {
  custom: {
    50: '#776bba',
    500: '#2f339c',
    950: '#000000',
  },
}

SCSS

$custom: #2f339c;
$custom-light: #776bba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f339c",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 156
  },
  "hsl": {
    "h": 237.798,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39114,
    "c": 0.16666,
    "h": 273.9
  },
  "luminance": 0.05372
}

Semantic roles & 50–950 ramp

primary

#2F339C

secondary

#BCB96B

accent

#D84BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F339C

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

Preview Lab → · Contrast checker → · Palette generator →