#2F406D#2F406D

#2F406D is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.0% C 0.080 H 267.0°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F406D
RGB	rgb(47, 64, 109)
HSL	hsl(224, 40%, 31%)
HSV	hsv(224, 57%, 43%)
CMYK	cmyk(56.9%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(27.78, 7.76, -28.27)
CIE-LCH	lch(27.78, 29.32, 285.35°)
OKLab	oklab(38.01% -0.0043 -0.0801)
OKLCH	oklch(38.01% 0.08 267)
XYZ	xyz(5.7651, 5.3748, 15.1987)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F406D #6D5C2F

analogous

#2F5F6D #2F406D #3D2F6D

triadic

#2F406D #6D2F40 #406D2F

tetradic

#2F406D #6D2F5F #6D5C2F #2F6D3D

square

#2F406D #6D2F5F #6D5C2F #2F6D3D

split-complementary

#2F406D #6D3D2F #5F6D2F

monochromatic

#0A0E17 #1D2742 #2F406D #415998 #5D76B9

Accessibility & contrast

On white

10.12

#2F406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F406D

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F406D	#FFFFFF	#000000	##FFFFFF
##2F406D	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E456F

Deuteranopia (green-blind)

#263F6C

Tritanopia (blue-blind)

#0E4A51

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f406d;
/* rgb */ color: rgb(47, 64, 109);
/* oklch */ color: oklch(38.0% 0.080 267.0);

Tailwind

colors: {
  custom: {
    50: '#6c7497',
    500: '#2f406d',
    950: '#000000',
  },
}

SCSS

$custom: #2f406d;
$custom-light: #6c7497;
$custom-dark: #000000;

JSON

{
  "hex": "#2f406d",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 223.548,
    "s": 39.744,
    "l": 30.588
  },
  "oklch": {
    "l": 0.38006,
    "c": 0.0802,
    "h": 267
  },
  "luminance": 0.05375
}

Semantic roles & 50–950 ramp

primary

#2F406D

secondary

#9E8B59

accent

#AF58D0

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #2F406D

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

Preview Lab → · Contrast checker → · Palette generator →