#2A27B8#2A27B8

#2A27B8 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.215 H 271.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#2A27B8
RGB	rgb(42, 39, 184)
HSL	hsl(241, 65%, 44%)
HSV	hsv(241, 79%, 72%)
CMYK	cmyk(77.2%, 78.8%, 0%, 27.8%)
CIE-LAB	lab(27.85, 49.58, -74.28)
CIE-LCH	lch(27.85, 89.31, 303.72°)
OKLab	oklab(39.95% 0.007 -0.215)
OKLCH	oklch(39.95% 0.215 271.9)
XYZ	xyz(10.3292, 5.4028, 45.8366)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A27B8 #B5B827

analogous

#276CB8 #2A27B8 #7227B8

triadic

#2A27B8 #B82A27 #27B82A

tetradic

#2A27B8 #B8276C #B5B827 #27B872

square

#2A27B8 #B8276C #B5B827 #27B872

split-complementary

#2A27B8 #B87227 #6CB827

monochromatic

#131253 #1E1C86 #2A27B8 #4845D8 #7977E2

Accessibility & contrast

On white

10.09

#2A27B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2A27B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A27B8

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A27B8	#FFFFFF	#000000	##FFFFFF
##2A27B8	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BC

Deuteranopia (green-blind)

#003AB6

Tritanopia (blue-blind)

#00546F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a27b8;
/* rgb */ color: rgb(42, 39, 184);
/* oklch */ color: oklch(40.0% 0.215 271.9);

Tailwind

colors: {
  custom: {
    50: '#7d64cf',
    500: '#2a27b8',
    950: '#000000',
  },
}

SCSS

$custom: #2a27b8;
$custom-light: #7d64cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a27b8",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 184
  },
  "hsl": {
    "h": 241.241,
    "s": 65.022,
    "l": 43.725
  },
  "oklch": {
    "l": 0.39952,
    "c": 0.21514,
    "h": 271.9
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#2A27B8

secondary

#C8CA71

accent

#E840E5

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2A27B8

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

Preview Lab → · Contrast checker → · Palette generator →