#2C23A7#2C23A7

#2C23A7 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.7% C 0.198 H 274.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#2C23A7
RGB	rgb(44, 35, 167)
HSL	hsl(244, 65%, 40%)
HSV	hsv(244, 79%, 65%)
CMYK	cmyk(73.7%, 79%, 0%, 34.5%)
CIE-LAB	lab(25.34, 46.38, -68.25)
CIE-LCH	lch(25.34, 82.52, 304.20°)
OKLab	oklab(37.67% 0.0148 -0.1974)
OKLCH	oklch(37.67% 0.198 274.3)
XYZ	xyz(8.6125, 4.5267, 36.9716)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C23A7 #9EA723

analogous

#235CA7 #2C23A7 #6E23A7

triadic

#2C23A7 #A72C23 #23A72C

tetradic

#2C23A7 #A7235C #9EA723 #23A76E

square

#2C23A7 #A7235C #9EA723 #23A76E

split-complementary

#2C23A7 #A76E23 #5CA723

monochromatic

#110E42 #1F1874 #2C23A7 #3E33D4 #6E66DF

Accessibility & contrast

On white

11.02

#2C23A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2C23A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C23A7

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C23A7	#FFFFFF	#000000	##FFFFFF
##2C23A7	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2c23a7;
/* rgb */ color: rgb(44, 35, 167);
/* oklch */ color: oklch(37.7% 0.198 274.3);

Tailwind

colors: {
  custom: {
    50: '#7a61c2',
    500: '#2c23a7',
    950: '#000000',
  },
}

SCSS

$custom: #2c23a7;
$custom-light: #7a61c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c23a7",
  "rgb": {
    "r": 44,
    "g": 35,
    "b": 167
  },
  "hsl": {
    "h": 244.091,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37666,
    "c": 0.19796,
    "h": 274.3
  },
  "luminance": 0.04528
}

Semantic roles & 50–950 ramp

primary

#2C23A7

secondary

#BEC461

accent

#E83FDD

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2C23A7

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

Preview Lab → · Contrast checker → · Palette generator →