#2F3879#2F3879

#2F3879 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.1% C 0.110 H 273.8°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F3879
RGB	rgb(47, 56, 121)
HSL	hsl(233, 44%, 33%)
HSV	hsv(233, 61%, 47%)
CMYK	cmyk(61.2%, 53.7%, 0%, 52.5%)
CIE-LAB	lab(26.19, 17.62, -38.41)
CIE-LCH	lch(26.19, 42.26, 294.64°)
OKLab	oklab(37.05% 0.0074 -0.11)
OKLCH	oklch(37.05% 0.11 273.8)
XYZ	xyz(6.0365, 4.8127, 18.6963)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3879 #79702F

analogous

#2F5D79 #2F3879 #4B2F79

triadic

#2F3879 #792F38 #38792F

tetradic

#2F3879 #792F5D #79702F #2F794B

square

#2F3879 #792F5D #79702F #2F794B

split-complementary

#2F3879 #794B2F #5D792F

monochromatic

#0D0F21 #1E244D #2F3879 #404CA5 #616DC2

Accessibility & contrast

On white

10.70

#2F3879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F3879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3879

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3879	#FFFFFF	#000000	##FFFFFF
##2F3879	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14417B

Deuteranopia (green-blind)

#033B78

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3879;
/* rgb */ color: rgb(47, 56, 121);
/* oklch */ color: oklch(37.1% 0.110 273.8);

Tailwind

colors: {
  custom: {
    50: '#6f6ea0',
    500: '#2f3879',
    950: '#000000',
  },
}

SCSS

$custom: #2f3879;
$custom-light: #6f6ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3879",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 121
  },
  "hsl": {
    "h": 232.703,
    "s": 44.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37051,
    "c": 0.11021,
    "h": 273.8
  },
  "luminance": 0.04813
}

Semantic roles & 50–950 ramp

primary

#2F3879

secondary

#A89F5B

accent

#C454D4

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2F3879

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

Preview Lab → · Contrast checker → · Palette generator →