#2B579F#2B579F

#2B579F is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.127 H 259.8°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#2B579F
RGB	rgb(43, 87, 159)
HSL	hsl(217, 57%, 40%)
HSV	hsv(217, 73%, 62%)
CMYK	cmyk(73%, 45.3%, 0%, 37.6%)
CIE-LAB	lab(37.54, 10.35, -43.55)
CIE-LCH	lch(37.54, 44.76, 283.37°)
OKLab	oklab(46.48% -0.0225 -0.1247)
OKLCH	oklch(46.48% 0.127 259.8)
XYZ	xyz(10.6602, 9.8320, 34.1301)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B579F #9F732B

analogous

#2B919F #2B579F #392B9F

triadic

#2B579F #9F2B57 #579F2B

tetradic

#2B579F #9F2B91 #9F732B #2B9F39

square

#2B579F #9F2B91 #9F732B #2B9F39

split-complementary

#2B579F #9F392B #919F2B

monochromatic

#11223F #1E3D6F #2B579F #3D72CA #6D95D7

Accessibility & contrast

On white

7.08

#2B579F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2B579F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B579F

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B579F	#FFFFFF	#000000	##FFFFFF
##2B579F	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335EA2

Deuteranopia (green-blind)

#1C539E

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b579f;
/* rgb */ color: rgb(43, 87, 159);
/* oklch */ color: oklch(46.5% 0.127 259.8);

Tailwind

colors: {
  custom: {
    50: '#7485bc',
    500: '#2b579f',
    950: '#000000',
  },
}

SCSS

$custom: #2b579f;
$custom-light: #7485bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b579f",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 159
  },
  "hsl": {
    "h": 217.241,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46475,
    "c": 0.12669,
    "h": 259.8
  },
  "luminance": 0.09833
}

Semantic roles & 50–950 ramp

primary

#2B579F

secondary

#BE9D67

accent

#A647E1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B579F

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

Preview Lab → · Contrast checker → · Palette generator →