#2B2399#2B2399

#2B2399 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.181 H 275.3°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B2399
RGB	rgb(43, 35, 153)
HSL	hsl(244, 63%, 37%)
HSV	hsv(244, 77%, 60%)
CMYK	cmyk(71.9%, 77.1%, 0%, 40%)
CIE-LAB	lab(23.72, 41.76, -62.40)
CIE-LCH	lch(23.72, 75.09, 303.79°)
OKLab	oklab(36.05% 0.0167 -0.1804)
OKLCH	oklch(36.05% 0.181 275.3)
XYZ	xyz(7.3452, 4.0149, 30.5187)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2399 #919923

analogous

#235699 #2B2399 #662399

triadic

#2B2399 #992B23 #23992B

tetradic

#2B2399 #992356 #919923 #239966

square

#2B2399 #992356 #919923 #239966

split-complementary

#2B2399 #996623 #569923

monochromatic

#0F0C35 #1D1867 #2B2399 #392ECB #655DDA

Accessibility & contrast

On white

11.65

#2B2399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2B2399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2399

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2399	#FFFFFF	#000000	##FFFFFF
##2B2399	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9C

Deuteranopia (green-blind)

#003397

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b2399;
/* rgb */ color: rgb(43, 35, 153);
/* oklch */ color: oklch(36.1% 0.181 275.3);

Tailwind

colors: {
  custom: {
    50: '#7660b8',
    500: '#2b2399',
    950: '#000000',
  },
}

SCSS

$custom: #2b2399;
$custom-light: #7660b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2399",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 153
  },
  "hsl": {
    "h": 244.068,
    "s": 62.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36053,
    "c": 0.18121,
    "h": 275.3
  },
  "luminance": 0.04016
}

Semantic roles & 50–950 ramp

primary

#2B2399

secondary

#B8BE59

accent

#E642DB

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2B2399

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

Preview Lab → · Contrast checker → · Palette generator →