#2F349B#2F349B

#2F349B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.164 H 273.8°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#2F349B
RGB	rgb(47, 52, 155)
HSL	hsl(237, 53%, 40%)
HSV	hsv(237, 70%, 61%)
CMYK	cmyk(69.7%, 66.5%, 0%, 39.2%)
CIE-LAB	lab(27.92, 32.67, -56.72)
CIE-LCH	lch(27.92, 65.45, 299.94°)
OKLab	oklab(39.19% 0.0108 -0.1638)
OKLCH	oklch(39.19% 0.164 273.8)
XYZ	xyz(8.3147, 5.4261, 31.6131)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F349B #9B962F

analogous

#2F6A9B #2F349B #602F9B

triadic

#2F349B #9B2F34 #349B2F

tetradic

#2F349B #9B2F6A #9B962F #2F9B60

square

#2F349B #9B2F6A #9B962F #2F9B60

split-complementary

#2F349B #9B602F #6A9B2F

monochromatic

#13143D #21246C #2F349B #4248C6 #7175D4

Accessibility & contrast

On white

10.07

#2F349B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2F349B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F349B

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F349B	#FFFFFF	#000000	##FFFFFF
##2F349B	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f349b;
/* rgb */ color: rgb(47, 52, 155);
/* oklch */ color: oklch(39.2% 0.164 273.8);

Tailwind

colors: {
  custom: {
    50: '#766cb9',
    500: '#2f349b',
    950: '#000000',
  },
}

SCSS

$custom: #2f349b;
$custom-light: #766cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f349b",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 155
  },
  "hsl": {
    "h": 237.222,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39193,
    "c": 0.16413,
    "h": 273.8
  },
  "luminance": 0.05427
}

Semantic roles & 50–950 ramp

primary

#2F349B

secondary

#BBB86A

accent

#D64BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F349B

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

Preview Lab → · Contrast checker → · Palette generator →