#2B289F#2B289F

#2B289F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.184 H 274.0°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B289F
RGB	rgb(43, 40, 159)
HSL	hsl(242, 60%, 39%)
HSV	hsv(242, 75%, 62%)
CMYK	cmyk(73%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(25.36, 40.94, -63.36)
CIE-LCH	lch(25.36, 75.44, 302.87°)
OKLab	oklab(37.41% 0.0129 -0.1833)
OKLCH	oklch(37.41% 0.184 274)
XYZ	xyz(8.0110, 4.5336, 33.2470)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B289F #9C9F28

analogous

#28619F #2B289F #67289F

triadic

#2B289F #9F2B28 #289F2B

tetradic

#2B289F #9F2861 #9C9F28 #289F67

square

#2B289F #9F2861 #9C9F28 #289F67

split-complementary

#2B289F #9F6728 #619F28

monochromatic

#110F3D #1E1C6E #2B289F #3B37CD #6B68D9

Accessibility & contrast

On white

11.01

#2B289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2B289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B289F

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B289F	#FFFFFF	#000000	##FFFFFF
##2B289F	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b289f;
/* rgb */ color: rgb(43, 40, 159);
/* oklch */ color: oklch(37.4% 0.184 274.0);

Tailwind

colors: {
  custom: {
    50: '#7764bd',
    500: '#2b289f',
    950: '#000000',
  },
}

SCSS

$custom: #2b289f;
$custom-light: #7764bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b289f",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 241.513,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37406,
    "c": 0.18373,
    "h": 274
  },
  "luminance": 0.04534
}

Semantic roles & 50–950 ramp

primary

#2B289F

secondary

#BDBF64

accent

#E345DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2B289F

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

Preview Lab → · Contrast checker → · Palette generator →