#2F3D77#2F3D77

#2F3D77 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.100 H 270.8°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D77
RGB	rgb(47, 61, 119)
HSL	hsl(228, 43%, 33%)
HSV	hsv(228, 61%, 47%)
CMYK	cmyk(60.5%, 48.7%, 0%, 53.3%)
CIE-LAB	lab(27.50, 13.45, -35.05)
CIE-LCH	lch(27.50, 37.55, 290.99°)
OKLab	oklab(38% 0.0014 -0.1)
OKLCH	oklch(38% 0.1 270.8)
XYZ	xyz(6.1697, 5.2733, 18.1419)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D77 #77692F

analogous

#2F6177 #2F3D77 #452F77

triadic

#2F3D77 #772F3D #3D772F

tetradic

#2F3D77 #772F61 #77692F #2F7745

square

#2F3D77 #772F61 #77692F #2F7745

split-complementary

#2F3D77 #77452F #61772F

monochromatic

#0C101F #1E274B #2F3D77 #4053A3 #6073C0

Accessibility & contrast

On white

10.22

#2F3D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2F3D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D77

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D77	#FFFFFF	#000000	##FFFFFF
##2F3D77	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224479

Deuteranopia (green-blind)

#173E76

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3d77;
/* rgb */ color: rgb(47, 61, 119);
/* oklch */ color: oklch(38.0% 0.100 270.8);

Tailwind

colors: {
  custom: {
    50: '#6e729f',
    500: '#2f3d77',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d77;
$custom-light: #6e729f;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d77",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 119
  },
  "hsl": {
    "h": 228.333,
    "s": 43.373,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37996,
    "c": 0.10002,
    "h": 270.8
  },
  "luminance": 0.05274
}

Semantic roles & 50–950 ramp

primary

#2F3D77

secondary

#A7985B

accent

#BB55D3

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #2F3D77

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

Preview Lab → · Contrast checker → · Palette generator →