#2F306D#2F306D

#2F306D is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.4% C 0.104 H 278.8°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F306D
RGB	rgb(47, 48, 109)
HSL	hsl(239, 40%, 31%)
HSV	hsv(239, 57%, 43%)
CMYK	cmyk(56.9%, 56%, 0%, 57.3%)
CIE-LAB	lab(23.07, 18.78, -35.79)
CIE-LCH	lch(23.07, 40.42, 297.69°)
OKLab	oklab(34.43% 0.0158 -0.1023)
OKLCH	oklch(34.43% 0.104 278.8)
XYZ	xyz(4.9887, 3.8221, 14.9399)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F306D #6D6C2F

analogous

#2F4F6D #2F306D #4D2F6D

triadic

#2F306D #6D2F30 #306D2F

tetradic

#2F306D #6D2F4F #6D6C2F #2F6D4D

square

#2F306D #6D2F4F #6D6C2F #2F6D4D

split-complementary

#2F306D #6D4D2F #4F6D2F

monochromatic

#0A0A17 #1D1D42 #2F306D #414398 #5D5FB9

Accessibility & contrast

On white

11.90

#2F306D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2F306D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F306D

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F306D	#FFFFFF	#000000	##FFFFFF
##2F306D	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3A6F

Deuteranopia (green-blind)

#03356C

Tritanopia (blue-blind)

#123E49

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f306d;
/* rgb */ color: rgb(47, 48, 109);
/* oklch */ color: oklch(34.4% 0.104 278.8);

Tailwind

colors: {
  custom: {
    50: '#6d6897',
    500: '#2f306d',
    950: '#000000',
  },
}

SCSS

$custom: #2f306d;
$custom-light: #6d6897;
$custom-dark: #000000;

JSON

{
  "hex": "#2f306d",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 109
  },
  "hsl": {
    "h": 239.032,
    "s": 39.744,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34429,
    "c": 0.10352,
    "h": 278.8
  },
  "luminance": 0.03822
}

Semantic roles & 50–950 ramp

primary

#2F306D

secondary

#9E9D59

accent

#CE58D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2F306D

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

Preview Lab → · Contrast checker → · Palette generator →