#2C27B3#2C27B3

#2C27B3 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.209 H 272.9°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2C27B3
RGB	rgb(44, 39, 179)
HSL	hsl(242, 64%, 43%)
HSV	hsv(242, 78%, 70%)
CMYK	cmyk(75.4%, 78.2%, 0%, 29.8%)
CIE-LAB	lab(27.41, 48.13, -72.04)
CIE-LCH	lch(27.41, 86.64, 303.75°)
OKLab	oklab(39.51% 0.0105 -0.2085)
OKLCH	oklch(39.51% 0.209 272.9)
XYZ	xyz(9.8982, 5.2401, 43.1289)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C27B3 #AEB327

analogous

#2768B3 #2C27B3 #7227B3

triadic

#2C27B3 #B32C27 #27B32C

tetradic

#2C27B3 #B32768 #AEB327 #27B372

square

#2C27B3 #B32768 #AEB327 #27B372

split-complementary

#2C27B3 #B37227 #68B327

monochromatic

#13114E #201C81 #2C27B3 #4741D6 #7874E1

Accessibility & contrast

On white

10.25

#2C27B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2C27B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C27B3

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C27B3	#FFFFFF	#000000	##FFFFFF
##2C27B3	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2c27b3;
/* rgb */ color: rgb(44, 39, 179);
/* oklch */ color: oklch(39.5% 0.209 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c64cb',
    500: '#2c27b3',
    950: '#000000',
  },
}

SCSS

$custom: #2c27b3;
$custom-light: #7c64cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c27b3",
  "rgb": {
    "r": 44,
    "g": 39,
    "b": 179
  },
  "hsl": {
    "h": 242.143,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39508,
    "c": 0.20873,
    "h": 272.9
  },
  "luminance": 0.05241
}

Semantic roles & 50–950 ramp

primary

#2C27B3

secondary

#C5C86E

accent

#E741E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C27B3

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

Preview Lab → · Contrast checker → · Palette generator →