#2B23AC#2B23AC

#2B23AC is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.2% C 0.204 H 273.5°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B23AC
RGB	rgb(43, 35, 172)
HSL	hsl(244, 66%, 41%)
HSV	hsv(244, 80%, 67%)
CMYK	cmyk(75%, 79.7%, 0%, 32.5%)
CIE-LAB	lab(25.84, 47.89, -70.44)
CIE-LCH	lch(25.84, 85.18, 304.21°)
OKLab	oklab(38.17% 0.0123 -0.2038)
OKLCH	oklch(38.17% 0.204 273.5)
XYZ	xyz(9.0412, 4.6933, 39.4511)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23AC #A4AC23

analogous

#235FAC #2B23AC #7023AC

triadic

#2B23AC #AC2B23 #23AC2B

tetradic

#2B23AC #AC235F #A4AC23 #23AC70

square

#2B23AC #AC235F #A4AC23 #23AC70

split-complementary

#2B23AC #AC7023 #5FAC23

monochromatic

#120E46 #1E1979 #2B23AC #3F36D6 #7069E0

Accessibility & contrast

On white

10.83

#2B23AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2B23AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23AC

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23AC	#FFFFFF	#000000	##FFFFFF
##2B23AC	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B0

Deuteranopia (green-blind)

#0037AA

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b23ac;
/* rgb */ color: rgb(43, 35, 172);
/* oklch */ color: oklch(38.2% 0.204 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a61c6',
    500: '#2b23ac',
    950: '#000000',
  },
}

SCSS

$custom: #2b23ac;
$custom-light: #7a61c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23ac",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 172
  },
  "hsl": {
    "h": 243.504,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38165,
    "c": 0.20416,
    "h": 273.5
  },
  "luminance": 0.04694
}

Semantic roles & 50–950 ramp

primary

#2B23AC

secondary

#C1C664

accent

#E93FDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B23AC

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

Preview Lab → · Contrast checker → · Palette generator →