#2B23AD#2B23AD

#2B23AD is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.3% C 0.205 H 273.4°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B23AD
RGB	rgb(43, 35, 173)
HSL	hsl(243, 66%, 41%)
HSV	hsv(243, 80%, 68%)
CMYK	cmyk(75.1%, 79.8%, 0%, 32.2%)
CIE-LAB	lab(25.96, 48.20, -70.85)
CIE-LCH	lch(25.96, 85.70, 304.23°)
OKLab	oklab(38.28% 0.0121 -0.205)
OKLCH	oklch(38.28% 0.205 273.4)
XYZ	xyz(9.1376, 4.7318, 39.9588)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23AD #A5AD23

analogous

#2360AD #2B23AD #7023AD

triadic

#2B23AD #AD2B23 #23AD2B

tetradic

#2B23AD #AD2360 #A5AD23 #23AD70

square

#2B23AD #AD2360 #A5AD23 #23AD70

split-complementary

#2B23AD #AD7023 #60AD23

monochromatic

#120E47 #1E197A #2B23AD #4037D6 #716AE1

Accessibility & contrast

On white

10.79

#2B23AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B23AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23AD

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23AD	#FFFFFF	#000000	##FFFFFF
##2B23AD	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B1

Deuteranopia (green-blind)

#0037AB

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b23ad;
/* rgb */ color: rgb(43, 35, 173);
/* oklch */ color: oklch(38.3% 0.205 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b61c7',
    500: '#2b23ad',
    950: '#000000',
  },
}

SCSS

$custom: #2b23ad;
$custom-light: #7b61c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23ad",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 173
  },
  "hsl": {
    "h": 243.478,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38278,
    "c": 0.20534,
    "h": 273.4
  },
  "luminance": 0.04733
}

Semantic roles & 50–950 ramp

primary

#2B23AD

secondary

#C1C765

accent

#E93FDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B23AD

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

Preview Lab → · Contrast checker → · Palette generator →