#2F477B#2F477B

#2F477B is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.6% C 0.093 H 264.0°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F477B
RGB	rgb(47, 71, 123)
HSL	hsl(221, 45%, 33%)
HSV	hsv(221, 62%, 48%)
CMYK	cmyk(61.8%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(30.74, 8.13, -32.40)
CIE-LCH	lch(30.74, 33.40, 284.08°)
OKLab	oklab(40.56% -0.0096 -0.0921)
OKLCH	oklch(40.56% 0.093 264)
XYZ	xyz(6.9995, 6.5403, 19.6286)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F477B #7B632F

analogous

#2F6D7B #2F477B #3D2F7B

triadic

#2F477B #7B2F47 #477B2F

tetradic

#2F477B #7B2F6D #7B632F #2F7B3D

square

#2F477B #7B2F6D #7B632F #2F7B3D

split-complementary

#2F477B #7B3D2F #6D7B2F

monochromatic

#0D1422 #1E2D4F #2F477B #4061A7 #6280C3

Accessibility & contrast

On white

9.10

#2F477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F477B

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F477B	#FFFFFF	#000000	##FFFFFF
##2F477B	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304C7D

Deuteranopia (green-blind)

#26457A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f477b;
/* rgb */ color: rgb(47, 71, 123);
/* oklch */ color: oklch(40.6% 0.093 264.0);

Tailwind

colors: {
  custom: {
    50: '#6f79a1',
    500: '#2f477b',
    950: '#000000',
  },
}

SCSS

$custom: #2f477b;
$custom-light: #6f79a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f477b",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 221.053,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4056,
    "c": 0.0926,
    "h": 264
  },
  "luminance": 0.06541
}

Semantic roles & 50–950 ramp

primary

#2F477B

secondary

#AA915C

accent

#AC53D4

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #2F477B

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

Preview Lab → · Contrast checker → · Palette generator →