#2F405B#2F405B

#2F405B is a dark, muted blue. Relative luminance 0.050; OKLCH L 36.9% C 0.052 H 259.4°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#2F405B
RGB	rgb(47, 64, 91)
HSL	hsl(217, 32%, 27%)
HSV	hsv(217, 48%, 36%)
CMYK	cmyk(48.4%, 29.7%, 0%, 64.3%)
CIE-LAB	lab(26.81, 1.48, -18.22)
CIE-LCH	lch(26.81, 18.28, 274.66°)
OKLab	oklab(36.94% -0.0095 -0.0509)
OKLCH	oklch(36.94% 0.052 259.4)
XYZ	xyz(4.8934, 5.0262, 10.6078)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F405B #5B4A2F

analogous

#2F565B #2F405B #342F5B

triadic

#2F405B #5B2F40 #405B2F

tetradic

#2F405B #5B2F56 #5B4A2F #2F5B34

square

#2F405B #5B2F56 #5B4A2F #2F5B34

split-complementary

#2F405B #5B342F #565B2F

monochromatic

#0A0E14 #1A2433 #2F405B #445C83 #5A79AA

Accessibility & contrast

On white

10.47

#2F405B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2F405B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F405B

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F405B	#FFFFFF	#000000	##FFFFFF
##2F405B	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36425C

Deuteranopia (green-blind)

#313D5A

Tritanopia (blue-blind)

#1E4649

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f405b;
/* rgb */ color: rgb(47, 64, 91);
/* oklch */ color: oklch(36.9% 0.052 259.4);

Tailwind

colors: {
  custom: {
    50: '#6a7489',
    500: '#2f405b',
    950: '#000000',
  },
}

SCSS

$custom: #2f405b;
$custom-light: #6a7489;
$custom-dark: #000000;

JSON

{
  "hex": "#2f405b",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 91
  },
  "hsl": {
    "h": 216.818,
    "s": 31.884,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36938,
    "c": 0.05178,
    "h": 259.4
  },
  "luminance": 0.05026
}

Semantic roles & 50–950 ramp

primary

#2F405B

secondary

#8D7959

accent

#A060C8

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #2F405B

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

Preview Lab → · Contrast checker → · Palette generator →