#39579B#39579B

#39579B is a mid, moderate blue. Relative luminance 0.101; OKLCH L 46.9% C 0.116 H 264.5°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#39579B
RGB	rgb(57, 87, 155)
HSL	hsl(222, 46%, 42%)
HSV	hsv(222, 63%, 61%)
CMYK	cmyk(63.2%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(37.94, 11.26, -40.48)
CIE-LCH	lch(37.94, 42.02, 285.54°)
OKLab	oklab(46.88% -0.0112 -0.1154)
OKLCH	oklch(46.88% 0.116 264.5)
XYZ	xyz(11.0099, 10.0518, 32.3640)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39579B #9B7D39

analogous

#39889B #39579B #4C399B

triadic

#39579B #9B3957 #579B39

tetradic

#39579B #9B3988 #9B7D39 #399B4C

square

#39579B #9B3988 #9B7D39 #399B4C

split-complementary

#39579B #9B4C39 #889B39

monochromatic

#182542 #293E6E #39579B #5273BF #7F97D0

Accessibility & contrast

On white

6.98

#39579B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#39579B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #39579B

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39579B	#FFFFFF	#000000	##FFFFFF
##39579B	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385E9E

Deuteranopia (green-blind)

#29559A

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #39579b;
/* rgb */ color: rgb(57, 87, 155);
/* oklch */ color: oklch(46.9% 0.116 264.5);

Tailwind

colors: {
  custom: {
    50: '#7986b9',
    500: '#39579b',
    950: '#000000',
  },
}

SCSS

$custom: #39579b;
$custom-light: #7986b9;
$custom-dark: #000000;

JSON

{
  "hex": "#39579b",
  "rgb": {
    "r": 57,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 221.633,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46876,
    "c": 0.11594,
    "h": 264.5
  },
  "luminance": 0.10053
}

Semantic roles & 50–950 ramp

primary

#39579B

secondary

#B9A577

accent

#AD52D6

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #39579B

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

Preview Lab → · Contrast checker → · Palette generator →