#2F27B1#2F27B1

#2F27B1 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.206 H 274.1°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#2F27B1
RGB	rgb(47, 39, 177)
HSL	hsl(243, 64%, 42%)
HSV	hsv(243, 78%, 69%)
CMYK	cmyk(73.4%, 78%, 0%, 30.6%)
CIE-LAB	lab(27.38, 47.74, -70.89)
CIE-LCH	lch(27.38, 85.47, 303.96°)
OKLab	oklab(39.47% 0.0147 -0.2051)
OKLCH	oklch(39.47% 0.206 274.1)
XYZ	xyz(9.8310, 5.2287, 42.0776)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F27B1 #A9B127

analogous

#2764B1 #2F27B1 #7427B1

triadic

#2F27B1 #B12F27 #27B12F

tetradic

#2F27B1 #B12764 #A9B127 #27B174

square

#2F27B1 #B12764 #A9B127 #27B174

split-complementary

#2F27B1 #B17427 #64B127

monochromatic

#14114D #221C7F #2F27B1 #4940D5 #7972E0

Accessibility & contrast

On white

10.26

#2F27B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2F27B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F27B1

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F27B1	#FFFFFF	#000000	##FFFFFF
##2F27B1	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B5

Deuteranopia (green-blind)

#003AAF

Tritanopia (blue-blind)

#00516B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f27b1;
/* rgb */ color: rgb(47, 39, 177);
/* oklch */ color: oklch(39.5% 0.206 274.1);

Tailwind

colors: {
  custom: {
    50: '#7d64ca',
    500: '#2f27b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f27b1;
$custom-light: #7d64ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f27b1",
  "rgb": {
    "r": 47,
    "g": 39,
    "b": 177
  },
  "hsl": {
    "h": 243.478,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39471,
    "c": 0.20558,
    "h": 274.1
  },
  "luminance": 0.0523
}

Semantic roles & 50–950 ramp

primary

#2F27B1

secondary

#C2C76D

accent

#E741DD

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F27B1

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

Preview Lab → · Contrast checker → · Palette generator →