#2A539F#2A539F

#2A539F is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.5% C 0.132 H 261.5°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#2A539F
RGB	rgb(42, 83, 159)
HSL	hsl(219, 58%, 39%)
HSV	hsv(219, 74%, 62%)
CMYK	cmyk(73.6%, 47.8%, 0%, 37.6%)
CIE-LAB	lab(36.33, 12.85, -45.49)
CIE-LCH	lch(36.33, 47.27, 285.77°)
OKLab	oklab(45.53% -0.0196 -0.1305)
OKLCH	oklch(45.53% 0.132 261.5)
XYZ	xyz(10.3039, 9.1808, 34.0232)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A539F #9F762A

analogous

#2A8E9F #2A539F #3B2A9F

triadic

#2A539F #9F2A53 #539F2A

tetradic

#2A539F #9F2A8E #9F762A #2A9F3B

square

#2A539F #9F2A8E #9F762A #2A9F3B

split-complementary

#2A539F #9F3B2A #8E9F2A

monochromatic

#10203E #1D3A6F #2A539F #3B6ECB #6B91D8

Accessibility & contrast

On white

7.40

#2A539F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2A539F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A539F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A539F	#FFFFFF	#000000	##FFFFFF
##2A539F	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5BA2

Deuteranopia (green-blind)

#0D509D

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2a539f;
/* rgb */ color: rgb(42, 83, 159);
/* oklch */ color: oklch(45.5% 0.132 261.5);

Tailwind

colors: {
  custom: {
    50: '#7382bc',
    500: '#2a539f',
    950: '#000000',
  },
}

SCSS

$custom: #2a539f;
$custom-light: #7382bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a539f",
  "rgb": {
    "r": 42,
    "g": 83,
    "b": 159
  },
  "hsl": {
    "h": 218.974,
    "s": 58.209,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45533,
    "c": 0.13194,
    "h": 261.5
  },
  "luminance": 0.09182
}

Semantic roles & 50–950 ramp

primary

#2A539F

secondary

#BFA066

accent

#AB46E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A539F

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

Preview Lab → · Contrast checker → · Palette generator →