#2B579A#2B579A

#2B579A is a mid, moderate blue. Relative luminance 0.097; OKLCH L 46.1% C 0.120 H 258.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B579A
RGB	rgb(43, 87, 154)
HSL	hsl(216, 56%, 39%)
HSV	hsv(216, 72%, 60%)
CMYK	cmyk(72.1%, 43.5%, 0%, 39.6%)
CIE-LAB	lab(37.23, 8.44, -41.05)
CIE-LCH	lch(37.23, 41.91, 281.62°)
OKLab	oklab(46.14% -0.0235 -0.1173)
OKLCH	oklch(46.14% 0.12 258.7)
XYZ	xyz(10.2351, 9.6620, 31.8911)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B579A #9A6E2B

analogous

#2B8E9A #2B579A #362B9A

triadic

#2B579A #9A2B57 #579A2B

tetradic

#2B579A #9A2B8E #9A6E2B #2B9A36

square

#2B579A #9A2B8E #9A6E2B #2B9A36

split-complementary

#2B579A #9A362B #8E9A2B

monochromatic

#10213A #1E3C6A #2B579A #3A72C8 #6A95D5

Accessibility & contrast

On white

7.16

#2B579A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2B579A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B579A

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B579A	#FFFFFF	#000000	##FFFFFF
##2B579A	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375D9D

Deuteranopia (green-blind)

#245399

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2b579a;
/* rgb */ color: rgb(43, 87, 154);
/* oklch */ color: oklch(46.1% 0.120 258.7);

Tailwind

colors: {
  custom: {
    50: '#7385b8',
    500: '#2b579a',
    950: '#000000',
  },
}

SCSS

$custom: #2b579a;
$custom-light: #7385b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b579a",
  "rgb": {
    "r": 43,
    "g": 87,
    "b": 154
  },
  "hsl": {
    "h": 216.216,
    "s": 56.345,
    "l": 38.627
  },
  "oklch": {
    "l": 0.46135,
    "c": 0.11964,
    "h": 258.7
  },
  "luminance": 0.09663
}

Semantic roles & 50–950 ramp

primary

#2B579A

secondary

#BC9965

accent

#A448E0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2B579A

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

Preview Lab → · Contrast checker → · Palette generator →