#2A579B#2A579B

#2A579B is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.2% C 0.121 H 258.6°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#2A579B
RGB	rgb(42, 87, 155)
HSL	hsl(216, 57%, 39%)
HSV	hsv(216, 73%, 61%)
CMYK	cmyk(72.9%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(37.25, 8.67, -41.61)
CIE-LCH	lch(37.25, 42.51, 281.77°)
OKLab	oklab(46.16% -0.0241 -0.119)
OKLCH	oklch(46.16% 0.121 258.6)
XYZ	xyz(10.2773, 9.6741, 32.3296)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A579B #9B6E2A

analogous

#2A8F9B #2A579B #352A9B

triadic

#2A579B #9B2A57 #579B2A

tetradic

#2A579B #9B2A8F #9B6E2A #2A9B35

square

#2A579B #9B2A8F #9B6E2A #2A9B35

split-complementary

#2A579B #9B352A #8F9B2A

monochromatic

#10213B #1D3C6B #2A579B #3972C9 #6995D6

Accessibility & contrast

On white

7.16

#2A579B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2A579B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A579B

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A579B	#FFFFFF	#000000	##FFFFFF
##2A579B	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)

#365D9E

Deuteranopia (green-blind)

#22539A

Tritanopia (blue-blind)

#006771

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2a579b;
/* rgb */ color: rgb(42, 87, 155);
/* oklch */ color: oklch(46.2% 0.121 258.6);

Tailwind

colors: {
  custom: {
    50: '#7285b9',
    500: '#2a579b',
    950: '#000000',
  },
}

SCSS

$custom: #2a579b;
$custom-light: #7285b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a579b",
  "rgb": {
    "r": 42,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 216.106,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.46161,
    "c": 0.1214,
    "h": 258.6
  },
  "luminance": 0.09675
}

Semantic roles & 50–950 ramp

primary

#2A579B

secondary

#BD9964

accent

#A447E1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #2A579B

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

Preview Lab → · Contrast checker → · Palette generator →