#2F405A#2F405A

#2F405A is a dark, muted blue. Relative luminance 0.050; OKLCH L 36.9% C 0.050 H 258.7°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F405A
RGB	rgb(47, 64, 90)
HSL	hsl(216, 31%, 27%)
HSV	hsv(216, 48%, 35%)
CMYK	cmyk(47.8%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(26.76, 1.15, -17.65)
CIE-LCH	lch(26.76, 17.68, 273.73°)
OKLab	oklab(36.88% -0.0098 -0.0492)
OKLCH	oklch(36.88% 0.05 258.7)
XYZ	xyz(4.8505, 5.0090, 10.3821)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F405A #5A492F

analogous

#2F565A #2F405A #342F5A

triadic

#2F405A #5A2F40 #405A2F

tetradic

#2F405A #5A2F56 #5A492F #2F5A34

square

#2F405A #5A2F56 #5A492F #2F5A34

split-complementary

#2F405A #5A342F #565A2F

monochromatic

#0A0E14 #1A2332 #2F405A #445D82 #5A79A9

Accessibility & contrast

On white

10.49

#2F405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F405A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F405A	#FFFFFF	#000000	##FFFFFF
##2F405A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36425B

Deuteranopia (green-blind)

#313D59

Tritanopia (blue-blind)

#1F4649

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f405a;
/* rgb */ color: rgb(47, 64, 90);
/* oklch */ color: oklch(36.9% 0.050 258.7);

Tailwind

colors: {
  custom: {
    50: '#6a7488',
    500: '#2f405a',
    950: '#000000',
  },
}

SCSS

$custom: #2f405a;
$custom-light: #6a7488;
$custom-dark: #000000;

JSON

{
  "hex": "#2f405a",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 216.279,
    "s": 31.387,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36883,
    "c": 0.05023,
    "h": 258.7
  },
  "luminance": 0.05009
}

Semantic roles & 50–950 ramp

primary

#2F405A

secondary

#8C7859

accent

#9F60C8

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #2F405A

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

Preview Lab → · Contrast checker → · Palette generator →