#27309B#27309B

#27309B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.171 H 271.5°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#27309B
RGB	rgb(39, 48, 155)
HSL	hsl(235, 60%, 38%)
HSV	hsv(235, 75%, 61%)
CMYK	cmyk(74.8%, 69%, 0%, 39.2%)
CIE-LAB	lab(26.48, 34.25, -59.09)
CIE-LCH	lch(26.48, 68.30, 300.10°)
OKLab	oklab(38.02% 0.0044 -0.1709)
OKLCH	oklch(38.02% 0.171 271.5)
XYZ	xyz(7.8080, 4.9110, 31.5404)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27309B #9B9227

analogous

#276A9B #27309B #58279B

triadic

#27309B #9B2730 #309B27

tetradic

#27309B #9B276A #9B9227 #279B58

square

#27309B #9B276A #9B9227 #279B58

split-complementary

#27309B #9B5827 #6A9B27

monochromatic

#0E1239 #1B216A #27309B #333FCC #646DD8

Accessibility & contrast

On white

10.59

#27309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#27309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27309B

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27309B	#FFFFFF	#000000	##FFFFFF
##27309B	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #27309b;
/* rgb */ color: rgb(39, 48, 155);
/* oklch */ color: oklch(38.0% 0.171 271.5);

Tailwind

colors: {
  custom: {
    50: '#7469ba',
    500: '#27309b',
    950: '#000000',
  },
}

SCSS

$custom: #27309b;
$custom-light: #7469ba;
$custom-dark: #000000;

JSON

{
  "hex": "#27309b",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 235.345,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38021,
    "c": 0.17099,
    "h": 271.5
  },
  "luminance": 0.04912
}

Semantic roles & 50–950 ramp

primary

#27309B

secondary

#BEB760

accent

#D745E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #27309B

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

Preview Lab → · Contrast checker → · Palette generator →