#2F306A#2F306A

#2F306A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.099 H 279.1°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#2F306A
RGB	rgb(47, 48, 106)
HSL	hsl(239, 39%, 30%)
HSV	hsv(239, 56%, 42%)
CMYK	cmyk(55.7%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(22.86, 17.71, -34.20)
CIE-LCH	lch(22.86, 38.51, 297.38°)
OKLab	oklab(34.2% 0.0156 -0.0976)
OKLCH	oklch(34.2% 0.099 279.1)
XYZ	xyz(4.8300, 3.7586, 14.1038)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F306A #6A692F

analogous

#2F4E6A #2F306A #4B2F6A

triadic

#2F306A #6A2F30 #306A2F

tetradic

#2F306A #6A2F4E #6A692F #2F6A4B

square

#2F306A #6A2F4E #6A692F #2F6A4B

split-complementary

#2F306A #6A4B2F #4E6A2F

monochromatic

#090A15 #1C1D40 #2F306A #424394 #5C5EB7

Accessibility & contrast

On white

11.99

#2F306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2F306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F306A

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F306A	#FFFFFF	#000000	##FFFFFF
##2F306A	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12396C

Deuteranopia (green-blind)

#0A3469

Tritanopia (blue-blind)

#153D48

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f306a;
/* rgb */ color: rgb(47, 48, 106);
/* oklch */ color: oklch(34.2% 0.099 279.1);

Tailwind

colors: {
  custom: {
    50: '#6d6895',
    500: '#2f306a',
    950: '#000000',
  },
}

SCSS

$custom: #2f306a;
$custom-light: #6d6895;
$custom-dark: #000000;

JSON

{
  "hex": "#2f306a",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 238.983,
    "s": 38.562,
    "l": 30
  },
  "oklch": {
    "l": 0.34196,
    "c": 0.09887,
    "h": 279.1
  },
  "luminance": 0.03759
}

Semantic roles & 50–950 ramp

primary

#2F306A

secondary

#9B9A59

accent

#CD59CE

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2F306A

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

Preview Lab → · Contrast checker → · Palette generator →