#2C27B1#2C27B1

#2C27B1 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.206 H 273.0°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#2C27B1
RGB	rgb(44, 39, 177)
HSL	hsl(242, 64%, 42%)
HSV	hsv(242, 78%, 69%)
CMYK	cmyk(75.1%, 78%, 0%, 30.6%)
CIE-LAB	lab(27.19, 47.49, -71.21)
CIE-LCH	lch(27.19, 85.60, 303.70°)
OKLab	oklab(39.29% 0.0109 -0.2061)
OKLCH	oklch(39.29% 0.206 273)
XYZ	xyz(9.6974, 5.1598, 42.0713)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C27B1 #ACB127

analogous

#2767B1 #2C27B1 #7127B1

triadic

#2C27B1 #B12C27 #27B12C

tetradic

#2C27B1 #B12767 #ACB127 #27B171

square

#2C27B1 #B12767 #ACB127 #27B171

split-complementary

#2C27B1 #B17127 #67B127

monochromatic

#13114D #201C7F #2C27B1 #4640D5 #7672E0

Accessibility & contrast

On white

10.33

#2C27B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2C27B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C27B1

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C27B1	#FFFFFF	#000000	##FFFFFF
##2C27B1	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#0039AF

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2c27b1;
/* rgb */ color: rgb(44, 39, 177);
/* oklch */ color: oklch(39.3% 0.206 273.0);

Tailwind

colors: {
  custom: {
    50: '#7c64ca',
    500: '#2c27b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c27b1;
$custom-light: #7c64ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2c27b1",
  "rgb": {
    "r": 44,
    "g": 39,
    "b": 177
  },
  "hsl": {
    "h": 242.174,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39286,
    "c": 0.20636,
    "h": 273
  },
  "luminance": 0.05161
}

Semantic roles & 50–950 ramp

primary

#2C27B1

secondary

#C4C76D

accent

#E741E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C27B1

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

Preview Lab → · Contrast checker → · Palette generator →