#2A27B4#2A27B4

#2A27B4 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.210 H 272.1°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A27B4
RGB	rgb(42, 39, 180)
HSL	hsl(241, 64%, 43%)
HSV	hsv(241, 78%, 71%)
CMYK	cmyk(76.7%, 78.3%, 0%, 29.4%)
CIE-LAB	lab(27.40, 48.31, -72.65)
CIE-LCH	lch(27.40, 87.24, 303.62°)
OKLab	oklab(39.5% 0.0079 -0.2103)
OKLCH	oklch(39.5% 0.21 272.1)
XYZ	xyz(9.9158, 5.2375, 43.6595)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A27B4 #B1B427

analogous

#276AB4 #2A27B4 #7127B4

triadic

#2A27B4 #B42A27 #27B42A

tetradic

#2A27B4 #B4276A #B1B427 #27B471

square

#2A27B4 #B4276A #B1B427 #27B471

split-complementary

#2A27B4 #B47127 #6AB427

monochromatic

#13114F #1E1C82 #2A27B4 #4542D6 #7774E1

Accessibility & contrast

On white

10.25

#2A27B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A27B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A27B4

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A27B4	#FFFFFF	#000000	##FFFFFF
##2A27B4	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)

#0047B8

Deuteranopia (green-blind)

#003AB2

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a27b4;
/* rgb */ color: rgb(42, 39, 180);
/* oklch */ color: oklch(39.5% 0.210 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c64cc',
    500: '#2a27b4',
    950: '#000000',
  },
}

SCSS

$custom: #2a27b4;
$custom-light: #7c64cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a27b4",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 180
  },
  "hsl": {
    "h": 241.277,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39504,
    "c": 0.21043,
    "h": 272.1
  },
  "luminance": 0.05239
}

Semantic roles & 50–950 ramp

primary

#2A27B4

secondary

#C6C86F

accent

#E740E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2A27B4

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

Preview Lab → · Contrast checker → · Palette generator →