#2A539E#2A539E

#2A539E is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.5% C 0.131 H 261.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A539E
RGB	rgb(42, 83, 158)
HSL	hsl(219, 58%, 39%)
HSV	hsv(219, 73%, 62%)
CMYK	cmyk(73.4%, 47.5%, 0%, 38%)
CIE-LAB	lab(36.26, 12.46, -45.00)
CIE-LCH	lch(36.26, 46.69, 285.48°)
OKLab	oklab(45.46% -0.0198 -0.129)
OKLCH	oklch(45.46% 0.131 261.3)
XYZ	xyz(10.2174, 9.1463, 33.5680)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A539E #9E752A

analogous

#2A8D9E #2A539E #3B2A9E

triadic

#2A539E #9E2A53 #539E2A

tetradic

#2A539E #9E2A8D #9E752A #2A9E3B

square

#2A539E #9E2A8D #9E752A #2A9E3B

split-complementary

#2A539E #9E3B2A #8D9E2A

monochromatic

#10203D #1D3A6E #2A539E #3A6DCB #6B91D8

Accessibility & contrast

On white

7.42

#2A539E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2A539E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A539E

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A539E	#FFFFFF	#000000	##FFFFFF
##2A539E	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5BA1

Deuteranopia (green-blind)

#10509C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2a539e;
/* rgb */ color: rgb(42, 83, 158);
/* oklch */ color: oklch(45.5% 0.131 261.3);

Tailwind

colors: {
  custom: {
    50: '#7382bb',
    500: '#2a539e',
    950: '#000000',
  },
}

SCSS

$custom: #2a539e;
$custom-light: #7382bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a539e",
  "rgb": {
    "r": 42,
    "g": 83,
    "b": 158
  },
  "hsl": {
    "h": 218.793,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.45462,
    "c": 0.13052,
    "h": 261.3
  },
  "luminance": 0.09147
}

Semantic roles & 50–950 ramp

primary

#2A539E

secondary

#BE9F66

accent

#AB47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A539E

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

Preview Lab → · Contrast checker → · Palette generator →