#2F336B#2F336B

#2F336B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.9% C 0.096 H 277.1°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#2F336B
RGB	rgb(47, 51, 107)
HSL	hsl(236, 39%, 30%)
HSV	hsv(236, 56%, 42%)
CMYK	cmyk(56.1%, 52.3%, 0%, 58%)
CIE-LAB	lab(23.78, 15.99, -33.36)
CIE-LCH	lch(23.78, 37.00, 295.61°)
OKLab	oklab(34.92% 0.0119 -0.0951)
OKLCH	oklch(34.92% 0.096 277.1)
XYZ	xyz(5.0091, 4.0332, 14.4216)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F336B #6B672F

analogous

#2F516B #2F336B #492F6B

triadic

#2F336B #6B2F33 #336B2F

tetradic

#2F336B #6B2F51 #6B672F #2F6B49

square

#2F336B #6B2F51 #6B672F #2F6B49

split-complementary

#2F336B #6B492F #516B2F

monochromatic

#0A0A16 #1C1F40 #2F336B #424796 #5D63B8

Accessibility & contrast

On white

11.62

#2F336B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2F336B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F336B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F336B	#FFFFFF	#000000	##FFFFFF
##2F336B	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183B6D

Deuteranopia (green-blind)

#11366A

Tritanopia (blue-blind)

#143F4A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f336b;
/* rgb */ color: rgb(47, 51, 107);
/* oklch */ color: oklch(34.9% 0.096 277.1);

Tailwind

colors: {
  custom: {
    50: '#6d6a96',
    500: '#2f336b',
    950: '#000000',
  },
}

SCSS

$custom: #2f336b;
$custom-light: #6d6a96;
$custom-dark: #000000;

JSON

{
  "hex": "#2f336b",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 107
  },
  "hsl": {
    "h": 236,
    "s": 38.961,
    "l": 30.196
  },
  "oklch": {
    "l": 0.34915,
    "c": 0.09589,
    "h": 277.1
  },
  "luminance": 0.04034
}

Semantic roles & 50–950 ramp

primary

#2F336B

secondary

#9C9859

accent

#C759CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #2F336B

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

Preview Lab → · Contrast checker → · Palette generator →