#2C579D#2C579D

#2C579D is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.4% C 0.124 H 259.7°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#2C579D
RGB	rgb(44, 87, 157)
HSL	hsl(217, 56%, 39%)
HSV	hsv(217, 72%, 62%)
CMYK	cmyk(72%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.45, 9.74, -42.49)
CIE-LCH	lch(37.45, 43.59, 282.91°)
OKLab	oklab(46.38% -0.0221 -0.1215)
OKLCH	oklch(46.38% 0.124 259.7)
XYZ	xyz(10.5305, 9.7851, 33.2255)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C579D #9D722C

analogous

#2C909D #2C579D #3A2C9D

triadic

#2C579D #9D2C57 #579D2C

tetradic

#2C579D #9D2C90 #9D722C #2C9D3A

square

#2C579D #9D2C90 #9D722C #2C9D3A

split-complementary

#2C579D #9D3A2C #909D2C

monochromatic

#11223D #1F3D6D #2C579D #3D72C9 #6D95D6

Accessibility & contrast

On white

7.10

#2C579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2C579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C579D

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C579D	#FFFFFF	#000000	##FFFFFF
##2C579D	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355EA0

Deuteranopia (green-blind)

#20539C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2c579d;
/* rgb */ color: rgb(44, 87, 157);
/* oklch */ color: oklch(46.4% 0.124 259.7);

Tailwind

colors: {
  custom: {
    50: '#7485ba',
    500: '#2c579d',
    950: '#000000',
  },
}

SCSS

$custom: #2c579d;
$custom-light: #7485ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2c579d",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 217.168,
    "s": 56.219,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4638,
    "c": 0.12352,
    "h": 259.7
  },
  "luminance": 0.09786
}

Semantic roles & 50–950 ramp

primary

#2C579D

secondary

#BD9D68

accent

#A648E0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2C579D

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

Preview Lab → · Contrast checker → · Palette generator →