#2F339F#2F339F

#2F339F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.171 H 273.7°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F339F
RGB	rgb(47, 51, 159)
HSL	hsl(238, 54%, 40%)
HSV	hsv(238, 70%, 62%)
CMYK	cmyk(70.4%, 67.9%, 0%, 37.6%)
CIE-LAB	lab(28.05, 34.72, -58.94)
CIE-LCH	lch(28.05, 68.41, 300.50°)
OKLab	oklab(39.4% 0.0111 -0.1703)
OKLCH	oklch(39.4% 0.171 273.7)
XYZ	xyz(8.6120, 5.4744, 33.3970)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F339F #9F9B2F

analogous

#2F6B9F #2F339F #632F9F

triadic

#2F339F #9F2F33 #339F2F

tetradic

#2F339F #9F2F6B #9F9B2F #2F9F63

square

#2F339F #9F2F6B #9F9B2F #2F9F63

split-complementary

#2F339F #9F632F #6B9F2F

monochromatic

#131541 #212470 #2F339F #4448C8 #7376D6

Accessibility & contrast

On white

10.02

#2F339F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F339F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F339F

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F339F	#FFFFFF	#000000	##FFFFFF
##2F339F	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)

#0047A2

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f339f;
/* rgb */ color: rgb(47, 51, 159);
/* oklch */ color: oklch(39.4% 0.171 273.7);

Tailwind

colors: {
  custom: {
    50: '#776bbc',
    500: '#2f339f',
    950: '#000000',
  },
}

SCSS

$custom: #2f339f;
$custom-light: #776bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f339f",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 159
  },
  "hsl": {
    "h": 237.857,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.394,
    "c": 0.17064,
    "h": 273.7
  },
  "luminance": 0.05475
}

Semantic roles & 50–950 ramp

primary

#2F339F

secondary

#BDBA6D

accent

#D84ADE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F339F

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

Preview Lab → · Contrast checker → · Palette generator →