#2F406A#2F406A

#2F406A is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.8% C 0.075 H 266.2°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F406A
RGB	rgb(47, 64, 106)
HSL	hsl(223, 39%, 30%)
HSV	hsv(223, 56%, 42%)
CMYK	cmyk(55.7%, 39.6%, 0%, 58.4%)
CIE-LAB	lab(27.60, 6.69, -26.63)
CIE-LCH	lch(27.60, 27.46, 284.09°)
OKLab	oklab(37.82% -0.005 -0.0753)
OKLCH	oklch(37.82% 0.075 266.2)
XYZ	xyz(5.6063, 5.3113, 14.3626)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F406A #6A592F

analogous

#2F5D6A #2F406A #3C2F6A

triadic

#2F406A #6A2F40 #406A2F

tetradic

#2F406A #6A2F5D #6A592F #2F6A3C

square

#2F406A #6A2F5D #6A592F #2F6A3C

split-complementary

#2F406A #6A3C2F #5D6A2F

monochromatic

#090D15 #1C2640 #2F406A #425A94 #5C77B7

Accessibility & contrast

On white

10.18

#2F406A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F406A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F406A

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F406A	#FFFFFF	#000000	##FFFFFF
##2F406A	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F446C

Deuteranopia (green-blind)

#293F69

Tritanopia (blue-blind)

#124950

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f406a;
/* rgb */ color: rgb(47, 64, 106);
/* oklch */ color: oklch(37.8% 0.075 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c7495',
    500: '#2f406a',
    950: '#000000',
  },
}

SCSS

$custom: #2f406a;
$custom-light: #6c7495;
$custom-dark: #000000;

JSON

{
  "hex": "#2f406a",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 106
  },
  "hsl": {
    "h": 222.712,
    "s": 38.562,
    "l": 30
  },
  "oklch": {
    "l": 0.37816,
    "c": 0.07547,
    "h": 266.2
  },
  "luminance": 0.05312
}

Semantic roles & 50–950 ramp

primary

#2F406A

secondary

#9B8859

accent

#AD59CE

background

#F6F7F9

surface

#ECEDF1

border

#C7C8CB

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #2F406A

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

Preview Lab → · Contrast checker → · Palette generator →