#27428D#27428D

#27428D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.129 H 265.9°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#27428D
RGB	rgb(39, 66, 141)
HSL	hsl(224, 57%, 35%)
HSV	hsv(224, 72%, 55%)
CMYK	cmyk(72.3%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(30.03, 16.90, -44.71)
CIE-LCH	lch(30.03, 47.80, 290.70°)
OKLab	oklab(40.29% -0.0092 -0.1285)
OKLCH	oklch(40.29% 0.129 265.9)
XYZ	xyz(7.5910, 6.2501, 26.0005)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27428D #8D7227

analogous

#27758D #27428D #3F278D

triadic

#27428D #8D2742 #428D27

tetradic

#27428D #8D2775 #8D7227 #278D3F

square

#27428D #8D2775 #8D7227 #278D3F

split-complementary

#27428D #8D3F27 #758D27

monochromatic

#0C152D #1A2C5D #27428D #3458BD #5C7CD2

Accessibility & contrast

On white

9.33

#27428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#27428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27428D

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27428D	#FFFFFF	#000000	##FFFFFF
##27428D	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124C90

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #27428d;
/* rgb */ color: rgb(39, 66, 141);
/* oklch */ color: oklch(40.3% 0.129 265.9);

Tailwind

colors: {
  custom: {
    50: '#6f75af',
    500: '#27428d',
    950: '#000000',
  },
}

SCSS

$custom: #27428d;
$custom-light: #6f75af;
$custom-dark: #000000;

JSON

{
  "hex": "#27428d",
  "rgb": {
    "r": 39,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 224.118,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40293,
    "c": 0.12885,
    "h": 265.9
  },
  "luminance": 0.06251
}

Semantic roles & 50–950 ramp

primary

#27428D

secondary

#B79E59

accent

#B848E0

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #27428D

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

Preview Lab → · Contrast checker → · Palette generator →