#2D579D#2D579D

#2D579D is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.4% C 0.123 H 260.0°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2D579D
RGB	rgb(45, 87, 157)
HSL	hsl(218, 55%, 40%)
HSV	hsv(218, 71%, 62%)
CMYK	cmyk(71.3%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.49, 9.89, -42.42)
CIE-LCH	lch(37.49, 43.56, 283.13°)
OKLab	oklab(46.42% -0.0213 -0.1213)
OKLCH	oklch(46.42% 0.123 260)
XYZ	xyz(10.5740, 9.8075, 33.2275)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D579D #9D732D

analogous

#2D8F9D #2D579D #3B2D9D

triadic

#2D579D #9D2D57 #579D2D

tetradic

#2D579D #9D2D8F #9D732D #2D9D3B

square

#2D579D #9D2D8F #9D732D #2D9D3B

split-complementary

#2D579D #9D3B2D #8F9D2D

monochromatic

#12223E #1F3D6D #2D579D #3F72C8 #6F95D6

Accessibility & contrast

On white

7.09

#2D579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2D579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D579D

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D579D	#FFFFFF	#000000	##FFFFFF
##2D579D	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	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: #2d579d;
/* rgb */ color: rgb(45, 87, 157);
/* oklch */ color: oklch(46.4% 0.123 260.0);

Tailwind

colors: {
  custom: {
    50: '#7485ba',
    500: '#2d579d',
    950: '#000000',
  },
}

SCSS

$custom: #2d579d;
$custom-light: #7485ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2d579d",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 217.5,
    "s": 55.446,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46422,
    "c": 0.12317,
    "h": 260
  },
  "luminance": 0.09809
}

Semantic roles & 50–950 ramp

primary

#2D579D

secondary

#BD9D69

accent

#A749DF

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2D579D

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

Preview Lab → · Contrast checker → · Palette generator →