#27428F#27428F

#27428F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.132 H 266.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#27428F
RGB	rgb(39, 66, 143)
HSL	hsl(224, 57%, 36%)
HSV	hsv(224, 73%, 56%)
CMYK	cmyk(72.7%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.18, 17.67, -45.70)
CIE-LCH	lch(30.18, 49.00, 291.14°)
OKLab	oklab(40.45% -0.009 -0.1314)
OKLCH	oklch(40.45% 0.132 266.1)
XYZ	xyz(7.7411, 6.3101, 26.7913)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27428F #8F7427

analogous

#27768F #27428F #40278F

triadic

#27428F #8F2742 #428F27

tetradic

#27428F #8F2776 #8F7427 #278F40

square

#27428F #8F2776 #8F7427 #278F40

split-complementary

#27428F #8F4027 #768F27

monochromatic

#0D162F #1A2C5F #27428F #3458BF #5D7CD3

Accessibility & contrast

On white

9.28

#27428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#27428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27428F

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27428F	#FFFFFF	#000000	##FFFFFF
##27428F	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4C92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #27428f;
/* rgb */ color: rgb(39, 66, 143);
/* oklch */ color: oklch(40.5% 0.132 266.1);

Tailwind

colors: {
  custom: {
    50: '#6f75b0',
    500: '#27428f',
    950: '#000000',
  },
}

SCSS

$custom: #27428f;
$custom-light: #6f75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#27428f",
  "rgb": {
    "r": 39,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 224.423,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40451,
    "c": 0.13175,
    "h": 266.1
  },
  "luminance": 0.06311
}

Semantic roles & 50–950 ramp

primary

#27428F

secondary

#B8A05A

accent

#B947E0

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #27428F

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

Preview Lab → · Contrast checker → · Palette generator →