#33579A#33579A

#33579A is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.5% C 0.117 H 261.7°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#33579A
RGB	rgb(51, 87, 154)
HSL	hsl(219, 50%, 40%)
HSV	hsv(219, 67%, 60%)
CMYK	cmyk(66.9%, 43.5%, 0%, 39.6%)
CIE-LAB	lab(37.58, 9.77, -40.47)
CIE-LCH	lch(37.58, 41.64, 283.57°)
OKLab	oklab(46.5% -0.0169 -0.1155)
OKLCH	oklch(46.5% 0.117 261.7)
XYZ	xyz(10.6041, 9.8523, 31.9084)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33579A #9A7633

analogous

#338B9A #33579A #42339A

triadic

#33579A #9A3357 #579A33

tetradic

#33579A #9A338B #9A7633 #339A42

square

#33579A #9A338B #9A7633 #339A42

split-complementary

#33579A #9A4233 #8B9A33

monochromatic

#15233E #243D6C #33579A #4873C2 #7696D2

Accessibility & contrast

On white

7.07

#33579A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#33579A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33579A

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33579A	#FFFFFF	#000000	##FFFFFF
##33579A	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385E9D

Deuteranopia (green-blind)

#275499

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #33579a;
/* rgb */ color: rgb(51, 87, 154);
/* oklch */ color: oklch(46.5% 0.117 261.7);

Tailwind

colors: {
  custom: {
    50: '#7685b8',
    500: '#33579a',
    950: '#000000',
  },
}

SCSS

$custom: #33579a;
$custom-light: #7685b8;
$custom-dark: #000000;

JSON

{
  "hex": "#33579a",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 154
  },
  "hsl": {
    "h": 219.029,
    "s": 50.244,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46499,
    "c": 0.11672,
    "h": 261.7
  },
  "luminance": 0.09853
}

Semantic roles & 50–950 ramp

primary

#33579A

secondary

#BAA06F

accent

#A94EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #33579A

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

Preview Lab → · Contrast checker → · Palette generator →