#2F3B87#2F3B87

#2F3B87 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.8% C 0.127 H 272.3°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B87
RGB	rgb(47, 59, 135)
HSL	hsl(232, 48%, 36%)
HSV	hsv(232, 65%, 53%)
CMYK	cmyk(65.2%, 56.3%, 0%, 47.1%)
CIE-LAB	lab(28.06, 20.73, -44.17)
CIE-LCH	lch(28.06, 48.79, 295.14°)
OKLab	oklab(38.78% 0.0052 -0.1268)
OKLCH	oklch(38.78% 0.127 272.3)
XYZ	xyz(7.1080, 5.4809, 23.6003)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B87 #877B2F

analogous

#2F6787 #2F3B87 #4F2F87

triadic

#2F3B87 #872F3B #3B872F

tetradic

#2F3B87 #872F67 #877B2F #2F874F

square

#2F3B87 #872F67 #877B2F #2F874F

split-complementary

#2F3B87 #874F2F #67872F

monochromatic

#0F132C #1F275A #2F3B87 #3F4FB4 #6674CA

Accessibility & contrast

On white

10.02

#2F3B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2F3B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B87

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B87	#FFFFFF	#000000	##FFFFFF
##2F3B87	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02468A

Deuteranopia (green-blind)

#003E85

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3b87;
/* rgb */ color: rgb(47, 59, 135);
/* oklch */ color: oklch(38.8% 0.127 272.3);

Tailwind

colors: {
  custom: {
    50: '#7270ab',
    500: '#2f3b87',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b87;
$custom-light: #7270ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b87",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 135
  },
  "hsl": {
    "h": 231.818,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38784,
    "c": 0.12695,
    "h": 272.3
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#2F3B87

secondary

#B1A661

accent

#C550D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3B87

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

Preview Lab → · Contrast checker → · Palette generator →