#2C23B0#2C23B0

#2C23B0 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.7% C 0.209 H 273.5°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#2C23B0
RGB	rgb(44, 35, 176)
HSL	hsl(244, 67%, 41%)
HSV	hsv(244, 80%, 69%)
CMYK	cmyk(75%, 80.1%, 0%, 31%)
CIE-LAB	lab(26.36, 49.22, -71.97)
CIE-LCH	lch(26.36, 87.20, 304.37°)
OKLab	oklab(38.68% 0.0126 -0.2082)
OKLCH	oklch(38.68% 0.209 273.5)
XYZ	xyz(9.4736, 4.8711, 41.5068)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23B0 #A7B023

analogous

#2361B0 #2C23B0 #7323B0

triadic

#2C23B0 #B02C23 #23B02C

tetradic

#2C23B0 #B02361 #A7B023 #23B073

square

#2C23B0 #B02361 #A7B023 #23B073

split-complementary

#2C23B0 #B07323 #61B023

monochromatic

#120F4A #1F197D #2C23B0 #4339D8 #736CE2

Accessibility & contrast

On white

10.64

#2C23B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2C23B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23B0

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23B0	#FFFFFF	#000000	##FFFFFF
##2C23B0	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B4

Deuteranopia (green-blind)

#0038AE

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2c23b0;
/* rgb */ color: rgb(44, 35, 176);
/* oklch */ color: oklch(38.7% 0.209 273.5);

Tailwind

colors: {
  custom: {
    50: '#7c62c9',
    500: '#2c23b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c23b0;
$custom-light: #7c62c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23b0",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 243.83,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38679,
    "c": 0.2086,
    "h": 273.5
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#2C23B0

secondary

#C2C867

accent

#EA3EDF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2C23B0

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

Preview Lab → · Contrast checker → · Palette generator →