#2F3979#2F3979

#2F3979 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.109 H 273.3°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F3979
RGB	rgb(47, 57, 121)
HSL	hsl(232, 44%, 33%)
HSV	hsv(232, 61%, 47%)
CMYK	cmyk(61.2%, 52.9%, 0%, 52.5%)
CIE-LAB	lab(26.48, 16.93, -37.96)
CIE-LCH	lch(26.48, 41.56, 294.04°)
OKLab	oklab(37.27% 0.0062 -0.1086)
OKLCH	oklch(37.27% 0.109 273.3)
XYZ	xyz(6.0855, 4.9106, 18.7126)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3979 #796F2F

analogous

#2F5E79 #2F3979 #4A2F79

triadic

#2F3979 #792F39 #39792F

tetradic

#2F3979 #792F5E #796F2F #2F794A

square

#2F3979 #792F5E #796F2F #2F794A

split-complementary

#2F3979 #794A2F #5E792F

monochromatic

#0D0F21 #1E244D #2F3979 #404EA5 #616EC2

Accessibility & contrast

On white

10.59

#2F3979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F3979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3979

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3979	#FFFFFF	#000000	##FFFFFF
##2F3979	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16427B

Deuteranopia (green-blind)

#073C78

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3979;
/* rgb */ color: rgb(47, 57, 121);
/* oklch */ color: oklch(37.3% 0.109 273.3);

Tailwind

colors: {
  custom: {
    50: '#6f6fa0',
    500: '#2f3979',
    950: '#000000',
  },
}

SCSS

$custom: #2f3979;
$custom-light: #6f6fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3979",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 121
  },
  "hsl": {
    "h": 231.892,
    "s": 44.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37265,
    "c": 0.10878,
    "h": 273.3
  },
  "luminance": 0.04911
}

Semantic roles & 50–950 ramp

primary

#2F3979

secondary

#A89E5B

accent

#C354D4

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2F3979

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

Preview Lab → · Contrast checker → · Palette generator →