#27428C#27428C

#27428C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.127 H 265.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#27428C
RGB	rgb(39, 66, 140)
HSL	hsl(224, 56%, 35%)
HSV	hsv(224, 72%, 55%)
CMYK	cmyk(72.1%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(29.96, 16.51, -44.21)
CIE-LCH	lch(29.96, 47.19, 290.48°)
OKLab	oklab(40.21% -0.0093 -0.1271)
OKLCH	oklch(40.21% 0.127 265.8)
XYZ	xyz(7.5169, 6.2204, 25.6104)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27428C #8C7127

analogous

#27758C #27428C #3E278C

triadic

#27428C #8C2742 #428C27

tetradic

#27428C #8C2775 #8C7127 #278C3E

square

#27428C #8C2775 #8C7127 #278C3E

split-complementary

#27428C #8C3E27 #758C27

monochromatic

#0C152C #1A2B5C #27428C #3459BC #5C7BD2

Accessibility & contrast

On white

9.36

#27428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#27428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27428C

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27428C	#FFFFFF	#000000	##FFFFFF
##27428C	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134B8F

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #27428c;
/* rgb */ color: rgb(39, 66, 140);
/* oklch */ color: oklch(40.2% 0.127 265.8);

Tailwind

colors: {
  custom: {
    50: '#6f75ae',
    500: '#27428c',
    950: '#000000',
  },
}

SCSS

$custom: #27428c;
$custom-light: #6f75ae;
$custom-dark: #000000;

JSON

{
  "hex": "#27428c",
  "rgb": {
    "r": 39,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 223.96,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40214,
    "c": 0.1274,
    "h": 265.8
  },
  "luminance": 0.06221
}

Semantic roles & 50–950 ramp

primary

#27428C

secondary

#B79D58

accent

#B748E0

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #27428C

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

Preview Lab → · Contrast checker → · Palette generator →