#2A27A4#2A27A4

#2A27A4 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.191 H 273.4°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2A27A4
RGB	rgb(42, 39, 164)
HSL	hsl(241, 62%, 40%)
HSV	hsv(241, 76%, 64%)
CMYK	cmyk(74.4%, 76.2%, 0%, 35.7%)
CIE-LAB	lab(25.63, 43.08, -65.96)
CIE-LCH	lch(25.63, 78.78, 303.15°)
OKLab	oklab(37.74% 0.0112 -0.1908)
OKLCH	oklch(37.74% 0.191 273.4)
XYZ	xyz(8.3790, 4.6228, 35.5655)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A27A4 #A1A427

analogous

#2763A4 #2A27A4 #6927A4

triadic

#2A27A4 #A42A27 #27A42A

tetradic

#2A27A4 #A42763 #A1A427 #27A469

square

#2A27A4 #A42763 #A1A427 #27A469

split-complementary

#2A27A4 #A46927 #63A427

monochromatic

#110F41 #1D1B73 #2A27A4 #3C38D0 #6D6ADC

Accessibility & contrast

On white

10.91

#2A27A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2A27A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A27A4

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A27A4	#FFFFFF	#000000	##FFFFFF
##2A27A4	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0037A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a27a4;
/* rgb */ color: rgb(42, 39, 164);
/* oklch */ color: oklch(37.7% 0.191 273.4);

Tailwind

colors: {
  custom: {
    50: '#7863c0',
    500: '#2a27a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a27a4;
$custom-light: #7863c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a27a4",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 164
  },
  "hsl": {
    "h": 241.44,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37738,
    "c": 0.19117,
    "h": 273.4
  },
  "luminance": 0.04624
}

Semantic roles & 50–950 ramp

primary

#2A27A4

secondary

#C0C265

accent

#E543E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A27A4

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

Preview Lab → · Contrast checker → · Palette generator →