#2B579D#2B579D

#2B579D is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.3% C 0.124 H 259.3°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B579D
RGB	rgb(43, 87, 157)
HSL	hsl(217, 57%, 39%)
HSV	hsv(217, 73%, 62%)
CMYK	cmyk(72.6%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.41, 9.59, -42.55)
CIE-LCH	lch(37.41, 43.62, 282.70°)
OKLab	oklab(46.34% -0.0229 -0.1217)
OKLCH	oklch(46.34% 0.124 259.3)
XYZ	xyz(10.4881, 9.7632, 33.2235)
Luminance	0.0976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B579D #9D712B

analogous

#2B909D #2B579D #382B9D

triadic

#2B579D #9D2B57 #579D2B

tetradic

#2B579D #9D2B90 #9D712B #2B9D38

square

#2B579D #9D2B90 #9D712B #2B9D38

split-complementary

#2B579D #9D382B #909D2B

monochromatic

#11223D #1E3C6D #2B579D #3C72CA #6C95D7

Accessibility & contrast

On white

7.11

#2B579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2B579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B579D

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B579D	#FFFFFF	#000000	##FFFFFF
##2B579D	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345EA0

Deuteranopia (green-blind)

#1F539C

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b579d;
/* rgb */ color: rgb(43, 87, 157);
/* oklch */ color: oklch(46.3% 0.124 259.3);

Tailwind

colors: {
  custom: {
    50: '#7385ba',
    500: '#2b579d',
    950: '#000000',
  },
}

SCSS

$custom: #2b579d;
$custom-light: #7385ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b579d",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 216.842,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.46338,
    "c": 0.12387,
    "h": 259.3
  },
  "luminance": 0.09764
}

Semantic roles & 50–950 ramp

primary

#2B579D

secondary

#BD9C66

accent

#A548E0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B579D

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

Preview Lab → · Contrast checker → · Palette generator →