#2F289C#2F289C

#2F289C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.179 H 276.0°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F289C
RGB	rgb(47, 40, 156)
HSL	hsl(244, 59%, 38%)
HSV	hsv(244, 74%, 61%)
CMYK	cmyk(69.9%, 74.4%, 0%, 38.8%)
CIE-LAB	lab(25.33, 40.35, -61.58)
CIE-LCH	lch(25.33, 73.63, 303.24°)
OKLab	oklab(37.36% 0.0187 -0.178)
OKLCH	oklch(37.36% 0.179 276)
XYZ	xyz(7.9299, 4.5215, 31.9009)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F289C #959C28

analogous

#285B9C #2F289C #69289C

triadic

#2F289C #9C2F28 #289C2F

tetradic

#2F289C #9C285B #959C28 #289C69

square

#2F289C #9C285B #959C28 #289C69

split-complementary

#2F289C #9C6928 #5B9C28

monochromatic

#120F3B #201C6B #2F289C #3F36CB #6D67D8

Accessibility & contrast

On white

11.03

#2F289C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2F289C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F289C

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F289C	#FFFFFF	#000000	##FFFFFF
##2F289C	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419F

Deuteranopia (green-blind)

#00379A

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f289c;
/* rgb */ color: rgb(47, 40, 156);
/* oklch */ color: oklch(37.4% 0.179 276.0);

Tailwind

colors: {
  custom: {
    50: '#7864ba',
    500: '#2f289c',
    950: '#000000',
  },
}

SCSS

$custom: #2f289c;
$custom-light: #7864ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f289c",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 156
  },
  "hsl": {
    "h": 243.621,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37358,
    "c": 0.17897,
    "h": 276
  },
  "luminance": 0.04522
}

Semantic roles & 50–950 ramp

primary

#2F289C

secondary

#B8BE62

accent

#E245D9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F289C

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

Preview Lab → · Contrast checker → · Palette generator →