#2A539A#2A539A

#2A539A is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.125 H 260.6°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#2A539A
RGB	rgb(42, 83, 154)
HSL	hsl(218, 57%, 38%)
HSV	hsv(218, 73%, 60%)
CMYK	cmyk(72.7%, 46.1%, 0%, 39.6%)
CIE-LAB	lab(36.01, 10.92, -43.01)
CIE-LCH	lch(36.01, 44.37, 284.25°)
OKLab	oklab(45.18% -0.0205 -0.1232)
OKLCH	oklch(45.18% 0.125 260.6)
XYZ	xyz(9.8787, 9.0108, 31.7842)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A539A #9A712A

analogous

#2A8B9A #2A539A #392A9A

triadic

#2A539A #9A2A53 #539A2A

tetradic

#2A539A #9A2A8B #9A712A #2A9A39

square

#2A539A #9A2A8B #9A712A #2A9A39

split-complementary

#2A539A #9A392A #8B9A2A

monochromatic

#101F3A #1D396A #2A539A #386DC9 #6891D6

Accessibility & contrast

On white

7.49

#2A539A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2A539A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A539A

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A539A	#FFFFFF	#000000	##FFFFFF
##2A539A	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5A9D

Deuteranopia (green-blind)

#185099

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2a539a;
/* rgb */ color: rgb(42, 83, 154);
/* oklch */ color: oklch(45.2% 0.125 260.6);

Tailwind

colors: {
  custom: {
    50: '#7282b8',
    500: '#2a539a',
    950: '#000000',
  },
}

SCSS

$custom: #2a539a;
$custom-light: #7282b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a539a",
  "rgb": {
    "r": 42,
    "g": 83,
    "b": 154
  },
  "hsl": {
    "h": 218.036,
    "s": 57.143,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45179,
    "c": 0.12485,
    "h": 260.6
  },
  "luminance": 0.09012
}

Semantic roles & 50–950 ramp

primary

#2A539A

secondary

#BC9C63

accent

#A847E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2A539A

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

Preview Lab → · Contrast checker → · Palette generator →