#2F27B0#2F27B0

#2F27B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.4% C 0.204 H 274.2°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F27B0
RGB	rgb(47, 39, 176)
HSL	hsl(244, 64%, 42%)
HSV	hsv(244, 78%, 69%)
CMYK	cmyk(73.3%, 77.8%, 0%, 31%)
CIE-LAB	lab(27.27, 47.42, -70.47)
CIE-LCH	lch(27.27, 84.94, 303.93°)
OKLab	oklab(39.36% 0.0149 -0.2039)
OKLCH	oklch(39.36% 0.204 274.2)
XYZ	xyz(9.7317, 5.1890, 41.5546)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F27B0 #A8B027

analogous

#2763B0 #2F27B0 #7427B0

triadic

#2F27B0 #B02F27 #27B02F

tetradic

#2F27B0 #B02763 #A8B027 #27B074

square

#2F27B0 #B02763 #A8B027 #27B074

split-complementary

#2F27B0 #B07427 #63B027

monochromatic

#14114C #221C7E #2F27B0 #4840D5 #7872E0

Accessibility & contrast

On white

10.30

#2F27B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2F27B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F27B0

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F27B0	#FFFFFF	#000000	##FFFFFF
##2F27B0	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#003AAE

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f27b0;
/* rgb */ color: rgb(47, 39, 176);
/* oklch */ color: oklch(39.4% 0.204 274.2);

Tailwind

colors: {
  custom: {
    50: '#7d64c9',
    500: '#2f27b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f27b0;
$custom-light: #7d64c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f27b0",
  "rgb": {
    "r": 47,
    "g": 39,
    "b": 176
  },
  "hsl": {
    "h": 243.504,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39362,
    "c": 0.2044,
    "h": 274.2
  },
  "luminance": 0.0519
}

Semantic roles & 50–950 ramp

primary

#2F27B0

secondary

#C1C76C

accent

#E741DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F27B0

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

Preview Lab → · Contrast checker → · Palette generator →