#2F3788#2F3788

#2F3788 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.134 H 273.9°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#2F3788
RGB	rgb(47, 55, 136)
HSL	hsl(235, 49%, 36%)
HSV	hsv(235, 65%, 53%)
CMYK	cmyk(65.4%, 59.6%, 0%, 46.7%)
CIE-LAB	lab(27.06, 23.81, -46.42)
CIE-LCH	lch(27.06, 52.17, 297.15°)
OKLab	oklab(38.06% 0.0091 -0.1335)
OKLCH	oklch(38.06% 0.134 273.9)
XYZ	xyz(6.9809, 5.1137, 23.9069)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3788 #88802F

analogous

#2F6388 #2F3788 #532F88

triadic

#2F3788 #882F37 #37882F

tetradic

#2F3788 #882F63 #88802F #2F8853

square

#2F3788 #882F63 #88802F #2F8853

split-complementary

#2F3788 #88532F #63882F

monochromatic

#10122D #1F255B #2F3788 #3F49B5 #6770CA

Accessibility & contrast

On white

10.38

#2F3788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2F3788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3788

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3788	#FFFFFF	#000000	##FFFFFF
##2F3788	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448B

Deuteranopia (green-blind)

#003C86

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3788;
/* rgb */ color: rgb(47, 55, 136);
/* oklch */ color: oklch(38.1% 0.134 273.9);

Tailwind

colors: {
  custom: {
    50: '#726dab',
    500: '#2f3788',
    950: '#000000',
  },
}

SCSS

$custom: #2f3788;
$custom-light: #726dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3788",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 136
  },
  "hsl": {
    "h": 234.607,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38057,
    "c": 0.13383,
    "h": 273.9
  },
  "luminance": 0.05114
}

Semantic roles & 50–950 ramp

primary

#2F3788

secondary

#B1AA61

accent

#CC50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3788

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

Preview Lab → · Contrast checker → · Palette generator →