#2323B0#2323B0

#2323B0 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.2% C 0.211 H 270.5°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2323B0
RGB	rgb(35, 35, 176)
HSL	hsl(240, 67%, 41%)
HSV	hsv(240, 80%, 69%)
CMYK	cmyk(80.1%, 80.1%, 0%, 31%)
CIE-LAB	lab(25.84, 48.62, -72.86)
CIE-LCH	lch(25.84, 87.59, 303.72°)
OKLab	oklab(38.17% 0.002 -0.2109)
OKLCH	oklch(38.17% 0.211 270.5)
XYZ	xyz(9.1280, 4.6929, 41.4906)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2323B0 #B0B023

analogous

#236AB0 #2323B0 #6A23B0

triadic

#2323B0 #B02323 #23B023

tetradic

#2323B0 #B0236A #B0B023 #23B06A

square

#2323B0 #B0236A #B0B023 #23B06A

split-complementary

#2323B0 #B06A23 #6AB023

monochromatic

#0F0F4A #19197D #2323B0 #3939D8 #6C6CE2

Accessibility & contrast

On white

10.83

#2323B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2323B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2323B0

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2323B0	#FFFFFF	#000000	##FFFFFF
##2323B0	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)

#0044B4

Deuteranopia (green-blind)

#0036AE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2323b0;
/* rgb */ color: rgb(35, 35, 176);
/* oklch */ color: oklch(38.2% 0.211 270.5);

Tailwind

colors: {
  custom: {
    50: '#7961c9',
    500: '#2323b0',
    950: '#000000',
  },
}

SCSS

$custom: #2323b0;
$custom-light: #7961c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2323b0",
  "rgb": {
    "r": 35,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 240,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38174,
    "c": 0.21096,
    "h": 270.5
  },
  "luminance": 0.04694
}

Semantic roles & 50–950 ramp

primary

#2323B0

secondary

#C8C867

accent

#EA3EEA

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2323B0

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

Preview Lab → · Contrast checker → · Palette generator →