#2F3688#2F3688

#2F3688 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.135 H 274.3°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#2F3688
RGB	rgb(47, 54, 136)
HSL	hsl(235, 49%, 36%)
HSV	hsv(235, 65%, 53%)
CMYK	cmyk(65.4%, 60.3%, 0%, 46.7%)
CIE-LAB	lab(26.79, 24.48, -46.85)
CIE-LCH	lch(26.79, 52.86, 297.58°)
OKLab	oklab(37.86% 0.0101 -0.1348)
OKLCH	oklch(37.86% 0.135 274.3)
XYZ	xyz(6.9339, 5.0197, 23.8913)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3688 #88812F

analogous

#2F6288 #2F3688 #542F88

triadic

#2F3688 #882F36 #36882F

tetradic

#2F3688 #882F62 #88812F #2F8854

square

#2F3688 #882F62 #88812F #2F8854

split-complementary

#2F3688 #88542F #62882F

monochromatic

#10122D #1F245B #2F3688 #3F48B5 #676FCA

Accessibility & contrast

On white

10.48

#2F3688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F3688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3688

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3688	#FFFFFF	#000000	##FFFFFF
##2F3688	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3688;
/* rgb */ color: rgb(47, 54, 136);
/* oklch */ color: oklch(37.9% 0.135 274.3);

Tailwind

colors: {
  custom: {
    50: '#726dab',
    500: '#2f3688',
    950: '#000000',
  },
}

SCSS

$custom: #2f3688;
$custom-light: #726dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3688",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 136
  },
  "hsl": {
    "h": 235.281,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37859,
    "c": 0.13517,
    "h": 274.3
  },
  "luminance": 0.0502
}

Semantic roles & 50–950 ramp

primary

#2F3688

secondary

#B1AB61

accent

#CD50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3688

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

Preview Lab → · Contrast checker → · Palette generator →