#2F3189#2F3189

#2F3189 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.143 H 275.9°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F3189
RGB	rgb(47, 49, 137)
HSL	hsl(239, 49%, 36%)
HSV	hsv(239, 66%, 54%)
CMYK	cmyk(65.7%, 64.2%, 0%, 46.3%)
CIE-LAB	lab(25.58, 28.17, -49.44)
CIE-LCH	lch(25.58, 56.91, 299.68°)
OKLab	oklab(36.99% 0.0146 -0.1424)
OKLCH	oklch(36.99% 0.143 275.9)
XYZ	xyz(6.7845, 4.6065, 24.1937)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3189 #89872F

analogous

#2F5E89 #2F3189 #5A2F89

triadic

#2F3189 #892F31 #31892F

tetradic

#2F3189 #892F5E #89872F #2F895A

square

#2F3189 #892F5E #89872F #2F895A

split-complementary

#2F3189 #895A2F #5E892F

monochromatic

#10102E #1F215B #2F3189 #3F41B7 #676ACB

Accessibility & contrast

On white

10.93

#2F3189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F3189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3189

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3189	#FFFFFF	#000000	##FFFFFF
##2F3189	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003987

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f3189;
/* rgb */ color: rgb(47, 49, 137);
/* oklch */ color: oklch(37.0% 0.143 275.9);

Tailwind

colors: {
  custom: {
    50: '#7369ac',
    500: '#2f3189',
    950: '#000000',
  },
}

SCSS

$custom: #2f3189;
$custom-light: #7369ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3189",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 137
  },
  "hsl": {
    "h": 238.667,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36995,
    "c": 0.1432,
    "h": 275.9
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary

#2F3189

secondary

#B2B062

accent

#D54FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F3189

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

Preview Lab → · Contrast checker → · Palette generator →