#2B23AF#2B23AF

#2B23AF is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.5% C 0.208 H 273.2°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B23AF
RGB	rgb(43, 35, 175)
HSL	hsl(243, 67%, 41%)
HSV	hsv(243, 80%, 69%)
CMYK	cmyk(75.4%, 80%, 0%, 31.4%)
CIE-LAB	lab(26.19, 48.83, -71.67)
CIE-LCH	lch(26.19, 86.73, 304.27°)
OKLab	oklab(38.51% 0.0116 -0.2074)
OKLCH	oklch(38.51% 0.208 273.2)
XYZ	xyz(9.3326, 4.8098, 40.9857)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B23AF #A7AF23

analogous

#2361AF #2B23AF #7123AF

triadic

#2B23AF #AF2B23 #23AF2B

tetradic

#2B23AF #AF2361 #A7AF23 #23AF71

square

#2B23AF #AF2361 #A7AF23 #23AF71

split-complementary

#2B23AF #AF7123 #61AF23

monochromatic

#120F49 #1E197C #2B23AF #4138D7 #726BE1

Accessibility & contrast

On white

10.70

#2B23AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B23AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B23AF

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B23AF	#FFFFFF	#000000	##FFFFFF
##2B23AF	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B3

Deuteranopia (green-blind)

#0037AD

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b23af;
/* rgb */ color: rgb(43, 35, 175);
/* oklch */ color: oklch(38.5% 0.208 273.2);

Tailwind

colors: {
  custom: {
    50: '#7b62c8',
    500: '#2b23af',
    950: '#000000',
  },
}

SCSS

$custom: #2b23af;
$custom-light: #7b62c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b23af",
  "rgb": {
    "r": 43,
    "g": 35,
    "b": 175
  },
  "hsl": {
    "h": 243.429,
    "s": 66.667,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38505,
    "c": 0.20769,
    "h": 273.2
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#2B23AF

secondary

#C2C766

accent

#EA3EE0

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B23AF

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

Preview Lab → · Contrast checker → · Palette generator →