#2A27B0#2A27B0

#2A27B0 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.1% C 0.206 H 272.4°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A27B0
RGB	rgb(42, 39, 176)
HSL	hsl(241, 64%, 42%)
HSV	hsv(241, 78%, 69%)
CMYK	cmyk(76.1%, 77.8%, 0%, 31%)
CIE-LAB	lab(26.95, 47.02, -71.00)
CIE-LCH	lch(26.95, 85.16, 303.51°)
OKLab	oklab(39.06% 0.0087 -0.2055)
OKLCH	oklch(39.06% 0.206 272.4)
XYZ	xyz(9.5142, 5.0769, 41.5444)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A27B0 #ADB027

analogous

#2769B0 #2A27B0 #6F27B0

triadic

#2A27B0 #B02A27 #27B02A

tetradic

#2A27B0 #B02769 #ADB027 #27B06F

square

#2A27B0 #B02769 #ADB027 #27B06F

split-complementary

#2A27B0 #B06F27 #69B027

monochromatic

#12114C #1E1C7E #2A27B0 #4340D5 #7472E0

Accessibility & contrast

On white

10.42

#2A27B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2A27B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A27B0

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A27B0	#FFFFFF	#000000	##FFFFFF
##2A27B0	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B4

Deuteranopia (green-blind)

#0039AE

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2a27b0;
/* rgb */ color: rgb(42, 39, 176);
/* oklch */ color: oklch(39.1% 0.206 272.4);

Tailwind

colors: {
  custom: {
    50: '#7b64c9',
    500: '#2a27b0',
    950: '#000000',
  },
}

SCSS

$custom: #2a27b0;
$custom-light: #7b64c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a27b0",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 176
  },
  "hsl": {
    "h": 241.314,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39058,
    "c": 0.20569,
    "h": 272.4
  },
  "luminance": 0.05078
}

Semantic roles & 50–950 ramp

primary

#2A27B0

secondary

#C5C76C

accent

#E741E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2A27B0

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

Preview Lab → · Contrast checker → · Palette generator →