#2F3779#2F3779

#2F3779 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.8% C 0.112 H 274.4°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F3779
RGB	rgb(47, 55, 121)
HSL	hsl(234, 44%, 33%)
HSV	hsv(234, 61%, 47%)
CMYK	cmyk(61.2%, 54.5%, 0%, 52.5%)
CIE-LAB	lab(25.91, 18.30, -38.87)
CIE-LCH	lch(25.91, 42.96, 295.22°)
OKLab	oklab(36.84% 0.0085 -0.1113)
OKLCH	oklch(36.84% 0.112 274.4)
XYZ	xyz(5.9885, 4.7167, 18.6803)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3779 #79712F

analogous

#2F5C79 #2F3779 #4C2F79

triadic

#2F3779 #792F37 #37792F

tetradic

#2F3779 #792F5C #79712F #2F794C

square

#2F3779 #792F5C #79712F #2F794C

split-complementary

#2F3779 #794C2F #5C792F

monochromatic

#0D0F21 #1E234D #2F3779 #404BA5 #616BC2

Accessibility & contrast

On white

10.81

#2F3779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2F3779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3779

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3779	#FFFFFF	#000000	##FFFFFF
##2F3779	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10417B

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f3779;
/* rgb */ color: rgb(47, 55, 121);
/* oklch */ color: oklch(36.8% 0.112 274.4);

Tailwind

colors: {
  custom: {
    50: '#6f6da0',
    500: '#2f3779',
    950: '#000000',
  },
}

SCSS

$custom: #2f3779;
$custom-light: #6f6da0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3779",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 121
  },
  "hsl": {
    "h": 233.514,
    "s": 44.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36838,
    "c": 0.11163,
    "h": 274.4
  },
  "luminance": 0.04717
}

Semantic roles & 50–950 ramp

primary

#2F3779

secondary

#A8A05B

accent

#C654D4

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2F3779

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

Preview Lab → · Contrast checker → · Palette generator →