#27579B#27579B

#27579B is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.0% C 0.122 H 257.6°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#27579B
RGB	rgb(39, 87, 155)
HSL	hsl(215, 60%, 38%)
HSV	hsv(215, 75%, 61%)
CMYK	cmyk(74.8%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(37.14, 8.24, -41.80)
CIE-LCH	lch(37.14, 42.60, 281.15°)
OKLab	oklab(46.04% -0.0262 -0.1196)
OKLCH	oklch(46.04% 0.122 257.6)
XYZ	xyz(10.1591, 9.6132, 32.3241)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27579B #9B6B27

analogous

#27919B #27579B #31279B

triadic

#27579B #9B2757 #579B27

tetradic

#27579B #9B2791 #9B6B27 #279B31

square

#27579B #9B2791 #9B6B27 #279B31

split-complementary

#27579B #9B3127 #919B27

monochromatic

#0E2039 #1B3C6A #27579B #3372CC #6494D8

Accessibility & contrast

On white

7.18

#27579B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#27579B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27579B

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27579B	#FFFFFF	#000000	##FFFFFF
##27579B	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365D9E

Deuteranopia (green-blind)

#20529A

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #27579b;
/* rgb */ color: rgb(39, 87, 155);
/* oklch */ color: oklch(46.0% 0.122 257.6);

Tailwind

colors: {
  custom: {
    50: '#7185b9',
    500: '#27579b',
    950: '#000000',
  },
}

SCSS

$custom: #27579b;
$custom-light: #7185b9;
$custom-dark: #000000;

JSON

{
  "hex": "#27579b",
  "rgb": {
    "r": 39,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 215.172,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.46043,
    "c": 0.12243,
    "h": 257.6
  },
  "luminance": 0.09614
}

Semantic roles & 50–950 ramp

primary

#27579B

secondary

#BE9760

accent

#A245E3

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #27579B

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

Preview Lab → · Contrast checker → · Palette generator →