#2F306C#2F306C

#2F306C is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.4% C 0.102 H 278.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F306C
RGB	rgb(47, 48, 108)
HSL	hsl(239, 39%, 30%)
HSV	hsv(239, 56%, 42%)
CMYK	cmyk(56.5%, 55.6%, 0%, 57.6%)
CIE-LAB	lab(23.00, 18.43, -35.26)
CIE-LCH	lch(23.00, 39.78, 297.59°)
OKLab	oklab(34.35% 0.0157 -0.1008)
OKLCH	oklch(34.35% 0.102 278.9)
XYZ	xyz(4.9352, 3.8006, 14.6580)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F306C #6C6B2F

analogous

#2F4E6C #2F306C #4C2F6C

triadic

#2F306C #6C2F30 #306C2F

tetradic

#2F306C #6C2F4E #6C6B2F #2F6C4C

square

#2F306C #6C2F4E #6C6B2F #2F6C4C

split-complementary

#2F306C #6C4C2F #4E6C2F

monochromatic

#0A0A17 #1C1D41 #2F306C #424397 #5D5EB8

Accessibility & contrast

On white

11.93

#2F306C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2F306C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F306C

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F306C	#FFFFFF	#000000	##FFFFFF
##2F306C	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F396E

Deuteranopia (green-blind)

#06346B

Tritanopia (blue-blind)

#133E49

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f306c;
/* rgb */ color: rgb(47, 48, 108);
/* oklch */ color: oklch(34.4% 0.102 278.9);

Tailwind

colors: {
  custom: {
    50: '#6d6896',
    500: '#2f306c',
    950: '#000000',
  },
}

SCSS

$custom: #2f306c;
$custom-light: #6d6896;
$custom-dark: #000000;

JSON

{
  "hex": "#2f306c",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 108
  },
  "hsl": {
    "h": 239.016,
    "s": 39.355,
    "l": 30.392
  },
  "oklch": {
    "l": 0.34351,
    "c": 0.10198,
    "h": 278.9
  },
  "luminance": 0.03801
}

Semantic roles & 50–950 ramp

primary

#2F306C

secondary

#9D9C59

accent

#CD59CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2F306C

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

Preview Lab → · Contrast checker → · Palette generator →