#2F379F#2F379F

#2F379F is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.166 H 272.9°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F379F
RGB	rgb(47, 55, 159)
HSL	hsl(236, 54%, 40%)
HSV	hsv(236, 70%, 62%)
CMYK	cmyk(70.4%, 65.4%, 0%, 37.6%)
CIE-LAB	lab(29.00, 32.17, -57.37)
CIE-LCH	lch(29.00, 65.77, 299.28°)
OKLab	oklab(40.1% 0.0083 -0.1657)
OKLCH	oklch(40.1% 0.166 272.9)
XYZ	xyz(8.7944, 5.8391, 33.4578)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F379F #9F972F

analogous

#2F6F9F #2F379F #5F2F9F

triadic

#2F379F #9F2F37 #379F2F

tetradic

#2F379F #9F2F6F #9F972F #2F9F5F

square

#2F379F #9F2F6F #9F972F #2F9F5F

split-complementary

#2F379F #9F5F2F #6F9F2F

monochromatic

#131641 #212770 #2F379F #444DC8 #737AD6

Accessibility & contrast

On white

9.69

#2F379F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2F379F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F379F

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F379F	#FFFFFF	#000000	##FFFFFF
##2F379F	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f379f;
/* rgb */ color: rgb(47, 55, 159);
/* oklch */ color: oklch(40.1% 0.166 272.9);

Tailwind

colors: {
  custom: {
    50: '#776ebc',
    500: '#2f379f',
    950: '#000000',
  },
}

SCSS

$custom: #2f379f;
$custom-light: #776ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f379f",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 159
  },
  "hsl": {
    "h": 235.714,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40098,
    "c": 0.16588,
    "h": 272.9
  },
  "luminance": 0.0584
}

Semantic roles & 50–950 ramp

primary

#2F379F

secondary

#BDB86D

accent

#D34ADE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F379F

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

Preview Lab → · Contrast checker → · Palette generator →