#2F369E#2F369E

#2F369E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.166 H 273.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F369E
RGB	rgb(47, 54, 158)
HSL	hsl(236, 54%, 40%)
HSV	hsv(236, 70%, 62%)
CMYK	cmyk(70.3%, 65.8%, 0%, 38%)
CIE-LAB	lab(28.67, 32.45, -57.31)
CIE-LCH	lch(28.67, 65.86, 299.52°)
OKLab	oklab(39.83% 0.0091 -0.1655)
OKLCH	oklch(39.83% 0.166 273.1)
XYZ	xyz(8.6609, 5.7105, 32.9869)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F369E #9E972F

analogous

#2F6E9E #2F369E #5F2F9E

triadic

#2F369E #9E2F36 #369E2F

tetradic

#2F369E #9E2F6E #9E972F #2F9E5F

square

#2F369E #9E2F6E #9E972F #2F9E5F

split-complementary

#2F369E #9E5F2F #6E9E2F

monochromatic

#131640 #21266F #2F369E #434BC7 #7278D5

Accessibility & contrast

On white

9.80

#2F369E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F369E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F369E

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F369E	#FFFFFF	#000000	##FFFFFF
##2F369E	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f369e;
/* rgb */ color: rgb(47, 54, 158);
/* oklch */ color: oklch(39.8% 0.166 273.1);

Tailwind

colors: {
  custom: {
    50: '#776dbc',
    500: '#2f369e',
    950: '#000000',
  },
}

SCSS

$custom: #2f369e;
$custom-light: #776dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f369e",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 158
  },
  "hsl": {
    "h": 236.216,
    "s": 54.146,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39827,
    "c": 0.16574,
    "h": 273.1
  },
  "luminance": 0.05711
}

Semantic roles & 50–950 ramp

primary

#2F369E

secondary

#BDB86C

accent

#D44ADE

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F369E

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

Preview Lab → · Contrast checker → · Palette generator →