#2B579C#2B579C

#2B579C is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.3% C 0.122 H 259.1°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B579C
RGB	rgb(43, 87, 156)
HSL	hsl(217, 57%, 39%)
HSV	hsv(217, 72%, 61%)
CMYK	cmyk(72.4%, 44.2%, 0%, 38.8%)
CIE-LAB	lab(37.35, 9.21, -42.05)
CIE-LCH	lch(37.35, 43.05, 282.35°)
OKLab	oklab(46.27% -0.0231 -0.1203)
OKLCH	oklch(46.27% 0.122 259.1)
XYZ	xyz(10.4030, 9.7292, 32.7757)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B579C #9C702B

analogous

#2B909C #2B579C #382B9C

triadic

#2B579C #9C2B57 #579C2B

tetradic

#2B579C #9C2B90 #9C702B #2B9C38

square

#2B579C #9C2B90 #9C702B #2B9C38

split-complementary

#2B579C #9C382B #909C2B

monochromatic

#11213C #1E3C6C #2B579C #3B72C9 #6B95D6

Accessibility & contrast

On white

7.13

#2B579C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2B579C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B579C

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B579C	#FFFFFF	#000000	##FFFFFF
##2B579C	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355D9F

Deuteranopia (green-blind)

#21539B

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b579c;
/* rgb */ color: rgb(43, 87, 156);
/* oklch */ color: oklch(46.3% 0.122 259.1);

Tailwind

colors: {
  custom: {
    50: '#7385ba',
    500: '#2b579c',
    950: '#000000',
  },
}

SCSS

$custom: #2b579c;
$custom-light: #7385ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b579c",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 156
  },
  "hsl": {
    "h": 216.637,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4627,
    "c": 0.12246,
    "h": 259.1
  },
  "luminance": 0.0973
}

Semantic roles & 50–950 ramp

primary

#2B579C

secondary

#BD9B66

accent

#A548E0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2B579C

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

Preview Lab → · Contrast checker → · Palette generator →