#2C23A0#2C23A0

#2C23A0 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.9% C 0.190 H 275.0°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#2C23A0
RGB	rgb(44, 35, 160)
HSL	hsl(244, 64%, 38%)
HSV	hsv(244, 78%, 63%)
CMYK	cmyk(72.5%, 78.1%, 0%, 37.3%)
CIE-LAB	lab(24.56, 44.14, -65.30)
CIE-LCH	lch(24.56, 78.81, 304.06°)
OKLab	oklab(36.89% 0.0165 -0.1888)
OKLCH	oklch(36.89% 0.19 275)
XYZ	xyz(7.9828, 4.2748, 33.6553)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23A0 #97A023

analogous

#2358A0 #2C23A0 #6A23A0

triadic

#2C23A0 #A02C23 #23A02C

tetradic

#2C23A0 #A02358 #97A023 #23A06A

square

#2C23A0 #A02358 #97A023 #23A06A

split-complementary

#2C23A0 #A06A23 #58A023

monochromatic

#100D3C #1E186E #2C23A0 #3A2FD1 #6A61DC

Accessibility & contrast

On white

11.32

#2C23A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2C23A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23A0

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23A0	#FFFFFF	#000000	##FFFFFF
##2C23A0	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004861

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2c23a0;
/* rgb */ color: rgb(44, 35, 160);
/* oklch */ color: oklch(36.9% 0.190 275.0);

Tailwind

colors: {
  custom: {
    50: '#7861bd',
    500: '#2c23a0',
    950: '#000000',
  },
}

SCSS

$custom: #2c23a0;
$custom-light: #7861bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23a0",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 160
  },
  "hsl": {
    "h": 244.32,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36889,
    "c": 0.18954,
    "h": 275
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary

#2C23A0

secondary

#BAC15D

accent

#E741DB

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2C23A0

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

Preview Lab → · Contrast checker → · Palette generator →