#2C23A4#2C23A4

#2C23A4 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.3% C 0.194 H 274.6°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#2C23A4
RGB	rgb(44, 35, 164)
HSL	hsl(244, 65%, 39%)
HSV	hsv(244, 79%, 64%)
CMYK	cmyk(73.2%, 78.7%, 0%, 35.7%)
CIE-LAB	lab(25.00, 45.43, -66.99)
CIE-LCH	lch(25.00, 80.94, 304.14°)
OKLab	oklab(37.33% 0.0155 -0.1937)
OKLCH	oklch(37.33% 0.194 274.6)
XYZ	xyz(8.3384, 4.4170, 35.5279)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23A4 #9BA423

analogous

#235BA4 #2C23A4 #6D23A4

triadic

#2C23A4 #A42C23 #23A42C

tetradic

#2C23A4 #A4235B #9BA423 #23A46D

square

#2C23A4 #A4235B #9BA423 #23A46D

split-complementary

#2C23A4 #A46D23 #5BA423

monochromatic

#110D3F #1E1872 #2C23A4 #3C31D3 #6C64DE

Accessibility & contrast

On white

11.15

#2C23A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2C23A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23A4

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23A4	#FFFFFF	#000000	##FFFFFF
##2C23A4	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A8

Deuteranopia (green-blind)

#0035A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2c23a4;
/* rgb */ color: rgb(44, 35, 164);
/* oklch */ color: oklch(37.3% 0.194 274.6);

Tailwind

colors: {
  custom: {
    50: '#7961c0',
    500: '#2c23a4',
    950: '#000000',
  },
}

SCSS

$custom: #2c23a4;
$custom-light: #7961c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23a4",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 164
  },
  "hsl": {
    "h": 244.186,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37332,
    "c": 0.19437,
    "h": 274.6
  },
  "luminance": 0.04418
}

Semantic roles & 50–950 ramp

primary

#2C23A4

secondary

#BCC360

accent

#E840DC

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2C23A4

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

Preview Lab → · Contrast checker → · Palette generator →