#2F347C#2F347C

#2F347C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.120 H 275.7°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F347C
RGB	rgb(47, 52, 124)
HSL	hsl(236, 45%, 34%)
HSV	hsv(236, 62%, 49%)
CMYK	cmyk(62.1%, 58.1%, 0%, 51.4%)
CIE-LAB	lab(25.31, 21.45, -41.74)
CIE-LCH	lch(25.31, 46.93, 297.20°)
OKLab	oklab(36.46% 0.0119 -0.1198)
OKLCH	oklch(36.46% 0.12 275.7)
XYZ	xyz(6.0372, 4.5151, 19.6182)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F347C #7C772F

analogous

#2F5A7C #2F347C #502F7C

triadic

#2F347C #7C2F34 #347C2F

tetradic

#2F347C #7C2F5A #7C772F #2F7C50

square

#2F347C #7C2F5A #7C772F #2F7C50

split-complementary

#2F347C #7C502F #5A7C2F

monochromatic

#0D0F23 #1E2150 #2F347C #4047A8 #6268C3

Accessibility & contrast

On white

11.03

#2F347C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2F347C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F347C

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F347C	#FFFFFF	#000000	##FFFFFF
##2F347C	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00397B

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f347c;
/* rgb */ color: rgb(47, 52, 124);
/* oklch */ color: oklch(36.5% 0.120 275.7);

Tailwind

colors: {
  custom: {
    50: '#706ba2',
    500: '#2f347c',
    950: '#000000',
  },
}

SCSS

$custom: #2f347c;
$custom-light: #706ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f347c",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 124
  },
  "hsl": {
    "h": 236.104,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36456,
    "c": 0.12039,
    "h": 275.7
  },
  "luminance": 0.04516
}

Semantic roles & 50–950 ramp

primary

#2F347C

secondary

#AAA55C

accent

#CC53D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F347C

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

Preview Lab → · Contrast checker → · Palette generator →