#2F339E#2F339E

#2F339E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.169 H 273.8°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#2F339E
RGB	rgb(47, 51, 158)
HSL	hsl(238, 54%, 40%)
HSV	hsv(238, 70%, 62%)
CMYK	cmyk(70.3%, 67.7%, 0%, 38%)
CIE-LAB	lab(27.95, 34.37, -58.48)
CIE-LCH	lch(27.95, 67.83, 300.44°)
OKLab	oklab(39.31% 0.0113 -0.1689)
OKLCH	oklch(39.31% 0.169 273.8)
XYZ	xyz(8.5256, 5.4398, 32.9418)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F339E #9E9A2F

analogous

#2F6A9E #2F339E #632F9E

triadic

#2F339E #9E2F33 #339E2F

tetradic

#2F339E #9E2F6A #9E9A2F #2F9E63

square

#2F339E #9E2F6A #9E9A2F #2F9E63

split-complementary

#2F339E #9E632F #6A9E2F

monochromatic

#131540 #21246F #2F339E #4348C7 #7276D5

Accessibility & contrast

On white

10.06

#2F339E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2F339E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F339E

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F339E	#FFFFFF	#000000	##FFFFFF
##2F339E	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f339e;
/* rgb */ color: rgb(47, 51, 158);
/* oklch */ color: oklch(39.3% 0.169 273.8);

Tailwind

colors: {
  custom: {
    50: '#776bbc',
    500: '#2f339e',
    950: '#000000',
  },
}

SCSS

$custom: #2f339e;
$custom-light: #776bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f339e",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 158
  },
  "hsl": {
    "h": 237.838,
    "s": 54.146,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39305,
    "c": 0.16931,
    "h": 273.8
  },
  "luminance": 0.05441
}

Semantic roles & 50–950 ramp

primary

#2F339E

secondary

#BDBA6C

accent

#D84ADE

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F339E

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

Preview Lab → · Contrast checker → · Palette generator →