#2B289D#2B289D

#2B289D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.181 H 274.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B289D
RGB	rgb(43, 40, 157)
HSL	hsl(242, 59%, 39%)
HSV	hsv(242, 75%, 62%)
CMYK	cmyk(72.6%, 74.5%, 0%, 38.4%)
CIE-LAB	lab(25.15, 40.26, -62.49)
CIE-LCH	lch(25.15, 74.34, 302.79°)
OKLab	oklab(37.19% 0.0133 -0.1807)
OKLCH	oklch(37.19% 0.181 274.2)
XYZ	xyz(7.8388, 4.4647, 32.3404)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B289D #9A9D28

analogous

#285F9D #2B289D #65289D

triadic

#2B289D #9D2B28 #289D2B

tetradic

#2B289D #9D285F #9A9D28 #289D65

square

#2B289D #9D285F #9A9D28 #289D65

split-complementary

#2B289D #9D6528 #5F9D28

monochromatic

#100F3B #1E1C6C #2B289D #3A36CC #6A67D8

Accessibility & contrast

On white

11.09

#2B289D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2B289D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B289D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B289D	#FFFFFF	#000000	##FFFFFF
##2B289D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b289d;
/* rgb */ color: rgb(43, 40, 157);
/* oklch */ color: oklch(37.2% 0.181 274.2);

Tailwind

colors: {
  custom: {
    50: '#7663bb',
    500: '#2b289d',
    950: '#000000',
  },
}

SCSS

$custom: #2b289d;
$custom-light: #7663bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b289d",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 157
  },
  "hsl": {
    "h": 241.538,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37193,
    "c": 0.18122,
    "h": 274.2
  },
  "luminance": 0.04465
}

Semantic roles & 50–950 ramp

primary

#2B289D

secondary

#BCBE62

accent

#E345DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2B289D

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

Preview Lab → · Contrast checker → · Palette generator →