#2F368B#2F368B

#2F368B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.139 H 274.1°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F368B
RGB	rgb(47, 54, 139)
HSL	hsl(235, 49%, 36%)
HSV	hsv(235, 66%, 55%)
CMYK	cmyk(66.2%, 61.2%, 0%, 45.5%)
CIE-LAB	lab(27.03, 25.58, -48.32)
CIE-LCH	lch(27.03, 54.67, 297.89°)
OKLab	oklab(38.12% 0.01 -0.1391)
OKLCH	oklch(38.12% 0.139 274.1)
XYZ	xyz(7.1501, 5.1061, 25.0299)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F368B #8B842F

analogous

#2F648B #2F368B #562F8B

triadic

#2F368B #8B2F36 #368B2F

tetradic

#2F368B #8B2F64 #8B842F #2F8B56

square

#2F368B #8B2F64 #8B842F #2F8B56

split-complementary

#2F368B #8B562F #648B2F

monochromatic

#101230 #20245D #2F368B #3E48B9 #6870CC

Accessibility & contrast

On white

10.39

#2F368B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2F368B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F368B

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F368B	#FFFFFF	#000000	##FFFFFF
##2F368B	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f368b;
/* rgb */ color: rgb(47, 54, 139);
/* oklch */ color: oklch(38.1% 0.139 274.1);

Tailwind

colors: {
  custom: {
    50: '#736dae',
    500: '#2f368b',
    950: '#000000',
  },
}

SCSS

$custom: #2f368b;
$custom-light: #736dae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f368b",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 139
  },
  "hsl": {
    "h": 235.435,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38117,
    "c": 0.13947,
    "h": 274.1
  },
  "luminance": 0.05107
}

Semantic roles & 50–950 ramp

primary

#2F368B

secondary

#B3AD63

accent

#CE4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F368B

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

Preview Lab → · Contrast checker → · Palette generator →