#2C23A1#2C23A1

#2C23A1 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.191 H 274.9°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#2C23A1
RGB	rgb(44, 35, 161)
HSL	hsl(244, 64%, 38%)
HSV	hsv(244, 78%, 63%)
CMYK	cmyk(72.7%, 78.3%, 0%, 36.9%)
CIE-LAB	lab(24.67, 44.46, -65.72)
CIE-LCH	lch(24.67, 79.35, 304.08°)
OKLab	oklab(37% 0.0162 -0.1901)
OKLCH	oklch(37% 0.191 274.9)
XYZ	xyz(8.0706, 4.3100, 34.1179)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23A1 #98A123

analogous

#2359A1 #2C23A1 #6B23A1

triadic

#2C23A1 #A12C23 #23A12C

tetradic

#2C23A1 #A12359 #98A123 #23A16B

square

#2C23A1 #A12359 #98A123 #23A16B

split-complementary

#2C23A1 #A16B23 #59A123

monochromatic

#110D3C #1E186F #2C23A1 #3B2FD2 #6A62DD

Accessibility & contrast

On white

11.28

#2C23A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2C23A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23A1

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23A1	#FFFFFF	#000000	##FFFFFF
##2C23A1	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2c23a1;
/* rgb */ color: rgb(44, 35, 161);
/* oklch */ color: oklch(37.0% 0.191 274.9);

Tailwind

colors: {
  custom: {
    50: '#7861be',
    500: '#2c23a1',
    950: '#000000',
  },
}

SCSS

$custom: #2c23a1;
$custom-light: #7861be;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23a1",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 161
  },
  "hsl": {
    "h": 244.286,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37,
    "c": 0.19075,
    "h": 274.9
  },
  "luminance": 0.04311
}

Semantic roles & 50–950 ramp

primary

#2C23A1

secondary

#BBC25E

accent

#E741DB

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2C23A1

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

Preview Lab → · Contrast checker → · Palette generator →