#33539B#33539B

#33539B is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.7% C 0.123 H 264.1°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#33539B
RGB	rgb(51, 83, 155)
HSL	hsl(222, 50%, 40%)
HSV	hsv(222, 67%, 61%)
CMYK	cmyk(67.1%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(36.47, 12.77, -42.84)
CIE-LCH	lch(36.47, 44.70, 286.59°)
OKLab	oklab(45.67% -0.0126 -0.1225)
OKLCH	oklch(45.67% 0.123 264.1)
XYZ	xyz(10.3728, 9.2559, 32.2439)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33539B #9B7B33

analogous

#33879B #33539B #47339B

triadic

#33539B #9B3353 #539B33

tetradic

#33539B #9B3387 #9B7B33 #339B47

square

#33539B #9B3387 #9B7B33 #339B47

split-complementary

#33539B #9B4733 #879B33

monochromatic

#15223F #243A6D #33539B #486EC3 #7693D2

Accessibility & contrast

On white

7.36

#33539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#33539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33539B

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33539B	#FFFFFF	#000000	##FFFFFF
##33539B	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5B9E

Deuteranopia (green-blind)

#1C519A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #33539b;
/* rgb */ color: rgb(51, 83, 155);
/* oklch */ color: oklch(45.7% 0.123 264.1);

Tailwind

colors: {
  custom: {
    50: '#7682b9',
    500: '#33539b',
    950: '#000000',
  },
}

SCSS

$custom: #33539b;
$custom-light: #7682b9;
$custom-dark: #000000;

JSON

{
  "hex": "#33539b",
  "rgb": {
    "r": 51,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 221.538,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4567,
    "c": 0.12315,
    "h": 264.1
  },
  "luminance": 0.09257
}

Semantic roles & 50–950 ramp

primary

#33539B

secondary

#BAA36F

accent

#AF4EDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #33539B

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

Preview Lab → · Contrast checker → · Palette generator →