#2B259A#2B259A

#2B259A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.4% C 0.180 H 274.9°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B259A
RGB	rgb(43, 37, 154)
HSL	hsl(243, 61%, 37%)
HSV	hsv(243, 76%, 60%)
CMYK	cmyk(72.1%, 76%, 0%, 39.6%)
CIE-LAB	lab(24.22, 40.98, -62.19)
CIE-LCH	lch(24.22, 74.47, 303.38°)
OKLab	oklab(36.44% 0.0155 -0.1798)
OKLCH	oklch(36.44% 0.181 274.9)
XYZ	xyz(7.4886, 4.1691, 30.9756)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B259A #949A25

analogous

#25599A #2B259A #66259A

triadic

#2B259A #9A2B25 #259A2B

tetradic

#2B259A #9A2559 #949A25 #259A66

square

#2B259A #9A2559 #949A25 #259A66

split-complementary

#2B259A #9A6625 #599A25

monochromatic

#0F0D37 #1D1969 #2B259A #3931CB #6760D9

Accessibility & contrast

On white

11.45

#2B259A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2B259A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B259A

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B259A	#FFFFFF	#000000	##FFFFFF
##2B259A	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2b259a;
/* rgb */ color: rgb(43, 37, 154);
/* oklch */ color: oklch(36.4% 0.180 274.9);

Tailwind

colors: {
  custom: {
    50: '#7661b9',
    500: '#2b259a',
    950: '#000000',
  },
}

SCSS

$custom: #2b259a;
$custom-light: #7661b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b259a",
  "rgb": {
    "r": 43,
    "g": 37,
    "b": 154
  },
  "hsl": {
    "h": 243.077,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3644,
    "c": 0.1805,
    "h": 274.9
  },
  "luminance": 0.0417
}

Semantic roles & 50–950 ramp

primary

#2B259A

secondary

#B9BE5D

accent

#E443DC

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2B259A

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

Preview Lab → · Contrast checker → · Palette generator →