#2F3789#2F3789

#2F3789 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.135 H 273.9°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F3789
RGB	rgb(47, 55, 137)
HSL	hsl(235, 49%, 36%)
HSV	hsv(235, 66%, 54%)
CMYK	cmyk(65.7%, 59.9%, 0%, 46.3%)
CIE-LAB	lab(27.14, 24.17, -46.91)
CIE-LCH	lch(27.14, 52.77, 297.26°)
OKLab	oklab(38.14% 0.0091 -0.135)
OKLCH	oklch(38.14% 0.135 273.9)
XYZ	xyz(7.0523, 5.1423, 24.2830)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3789 #89812F

analogous

#2F6489 #2F3789 #542F89

triadic

#2F3789 #892F37 #37892F

tetradic

#2F3789 #892F64 #89812F #2F8954

square

#2F3789 #892F64 #89812F #2F8954

split-complementary

#2F3789 #89542F #64892F

monochromatic

#10122E #1F255B #2F3789 #3F49B7 #6770CB

Accessibility & contrast

On white

10.35

#2F3789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2F3789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3789

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3789	#FFFFFF	#000000	##FFFFFF
##2F3789	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3789;
/* rgb */ color: rgb(47, 55, 137);
/* oklch */ color: oklch(38.1% 0.135 273.9);

Tailwind

colors: {
  custom: {
    50: '#726dac',
    500: '#2f3789',
    950: '#000000',
  },
}

SCSS

$custom: #2f3789;
$custom-light: #726dac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3789",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 137
  },
  "hsl": {
    "h": 234.667,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38141,
    "c": 0.13528,
    "h": 273.9
  },
  "luminance": 0.05143
}

Semantic roles & 50–950 ramp

primary

#2F3789

secondary

#B2AB62

accent

#CC4FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F3789

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

Preview Lab → · Contrast checker → · Palette generator →