#2F306F#2F306F

#2F306F is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.6% C 0.107 H 278.6°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#2F306F
RGB	rgb(47, 48, 111)
HSL	hsl(239, 41%, 31%)
HSV	hsv(239, 58%, 44%)
CMYK	cmyk(57.7%, 56.8%, 0%, 56.5%)
CIE-LAB	lab(23.22, 19.50, -36.83)
CIE-LCH	lch(23.22, 41.68, 297.89°)
OKLab	oklab(34.59% 0.0159 -0.1054)
OKLCH	oklch(34.59% 0.107 278.6)
XYZ	xyz(5.0976, 3.8656, 15.5134)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F306F #6F6E2F

analogous

#2F506F #2F306F #4E2F6F

triadic

#2F306F #6F2F30 #306F2F

tetradic

#2F306F #6F2F50 #6F6E2F #2F6F4E

square

#2F306F #6F2F50 #6F6E2F #2F6F4E

split-complementary

#2F306F #6F4E2F #506F2F

monochromatic

#0B0B19 #1D1D44 #2F306F #41439A #5E5FBB

Accessibility & contrast

On white

11.84

#2F306F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2F306F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F306F

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F306F	#FFFFFF	#000000	##FFFFFF
##2F306F	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093A71

Deuteranopia (green-blind)

#00356E

Tritanopia (blue-blind)

#103E4A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f306f;
/* rgb */ color: rgb(47, 48, 111);
/* oklch */ color: oklch(34.6% 0.107 278.6);

Tailwind

colors: {
  custom: {
    50: '#6e6899',
    500: '#2f306f',
    950: '#000000',
  },
}

SCSS

$custom: #2f306f;
$custom-light: #6e6899;
$custom-dark: #000000;

JSON

{
  "hex": "#2f306f",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 239.063,
    "s": 40.506,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34587,
    "c": 0.10658,
    "h": 278.6
  },
  "luminance": 0.03866
}

Semantic roles & 50–950 ramp

primary

#2F306F

secondary

#A09F59

accent

#CE57D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2F306F

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

Preview Lab → · Contrast checker → · Palette generator →