#2D539B#2D539B

#2D539B is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.4% C 0.125 H 261.8°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#2D539B
RGB	rgb(45, 83, 155)
HSL	hsl(219, 55%, 39%)
HSV	hsv(219, 71%, 61%)
CMYK	cmyk(71%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(36.20, 11.77, -43.30)
CIE-LCH	lch(36.20, 44.87, 285.20°)
OKLab	oklab(45.38% -0.0179 -0.124)
OKLCH	oklch(45.38% 0.125 261.8)
XYZ	xyz(10.0897, 9.1099, 32.2306)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D539B #9B752D

analogous

#2D8A9B #2D539B #3E2D9B

triadic

#2D539B #9B2D53 #539B2D

tetradic

#2D539B #9B2D8A #9B752D #2D9B3E

square

#2D539B #9B2D8A #9B752D #2D9B3E

split-complementary

#2D539B #9B3E2D #8A9B2D

monochromatic

#11203C #1F3A6C #2D539B #3E6DC7 #6E91D5

Accessibility & contrast

On white

7.44

#2D539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2D539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D539B

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D539B	#FFFFFF	#000000	##FFFFFF
##2D539B	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5B9E

Deuteranopia (green-blind)

#18509A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2d539b;
/* rgb */ color: rgb(45, 83, 155);
/* oklch */ color: oklch(45.4% 0.125 261.8);

Tailwind

colors: {
  custom: {
    50: '#7482b9',
    500: '#2d539b',
    950: '#000000',
  },
}

SCSS

$custom: #2d539b;
$custom-light: #7482b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d539b",
  "rgb": {
    "r": 45,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 219.273,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.45381,
    "c": 0.12524,
    "h": 261.8
  },
  "luminance": 0.09111
}

Semantic roles & 50–950 ramp

primary

#2D539B

secondary

#BC9F68

accent

#AB49DE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2D539B

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

Preview Lab → · Contrast checker → · Palette generator →