#2A559B#2A559B

#2A559B is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.7% C 0.124 H 259.7°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A559B
RGB	rgb(42, 85, 155)
HSL	hsl(217, 57%, 39%)
HSV	hsv(217, 73%, 61%)
CMYK	cmyk(72.9%, 45.2%, 0%, 39.2%)
CIE-LAB	lab(36.66, 9.99, -42.56)
CIE-LCH	lch(36.66, 43.72, 283.21°)
OKLab	oklab(45.7% -0.0222 -0.1218)
OKLCH	oklch(45.7% 0.124 259.7)
XYZ	xyz(10.1176, 9.3547, 32.2764)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A559B #9B702A

analogous

#2A8D9B #2A559B #372A9B

triadic

#2A559B #9B2A55 #559B2A

tetradic

#2A559B #9B2A8D #9B702A #2A9B37

square

#2A559B #9B2A8D #9B702A #2A9B37

split-complementary

#2A559B #9B372A #8D9B2A

monochromatic

#10203B #1D3B6B #2A559B #3970C9 #6993D6

Accessibility & contrast

On white

7.31

#2A559B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2A559B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A559B

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A559B	#FFFFFF	#000000	##FFFFFF
##2A559B	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325C9E

Deuteranopia (green-blind)

#1D519A

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2a559b;
/* rgb */ color: rgb(42, 85, 155);
/* oklch */ color: oklch(45.7% 0.124 259.7);

Tailwind

colors: {
  custom: {
    50: '#7284b9',
    500: '#2a559b',
    950: '#000000',
  },
}

SCSS

$custom: #2a559b;
$custom-light: #7284b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a559b",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 155
  },
  "hsl": {
    "h": 217.168,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45703,
    "c": 0.12382,
    "h": 259.7
  },
  "luminance": 0.09356
}

Semantic roles & 50–950 ramp

primary

#2A559B

secondary

#BD9B64

accent

#A647E1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2A559B

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

Preview Lab → · Contrast checker → · Palette generator →