#33578E#33578E

#33578E is a mid, moderate blue. Relative luminance 0.095; OKLCH L 45.7% C 0.099 H 258.6°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#33578E
RGB	rgb(51, 87, 142)
HSL	hsl(216, 47%, 38%)
HSV	hsv(216, 64%, 56%)
CMYK	cmyk(64.1%, 38.7%, 0%, 44.3%)
CIE-LAB	lab(36.88, 5.37, -34.33)
CIE-LCH	lch(36.88, 34.75, 278.88°)
OKLab	oklab(45.73% -0.0196 -0.0975)
OKLCH	oklch(45.73% 0.099 258.6)
XYZ	xyz(9.6542, 9.4723, 26.9055)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33578E #8E6A33

analogous

#33848E #33578E #3D338E

triadic

#33578E #8E3357 #578E33

tetradic

#33578E #8E3384 #8E6A33 #338E3D

square

#33578E #8E3384 #8E6A33 #338E3D

split-complementary

#33578E #8E3D33 #848E33

monochromatic

#132034 #233B61 #33578E #4373BB #7094CC

Accessibility & contrast

On white

7.25

#33578E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#33578E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33578E

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33578E	#FFFFFF	#000000	##FFFFFF
##33578E	1.00	7.25	2.89	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5B90

Deuteranopia (green-blind)

#33538D

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #33578e;
/* rgb */ color: rgb(51, 87, 142);
/* oklch */ color: oklch(45.7% 0.099 258.6);

Tailwind

colors: {
  custom: {
    50: '#7486af',
    500: '#33578e',
    950: '#000000',
  },
}

SCSS

$custom: #33578e;
$custom-light: #7486af;
$custom-dark: #000000;

JSON

{
  "hex": "#33578e",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 142
  },
  "hsl": {
    "h": 216.264,
    "s": 47.15,
    "l": 37.843
  },
  "oklch": {
    "l": 0.45732,
    "c": 0.09944,
    "h": 258.6
  },
  "luminance": 0.09473
}

Semantic roles & 50–950 ramp

primary

#33578E

secondary

#B49669

accent

#A251D7

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #33578E

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

Preview Lab → · Contrast checker → · Palette generator →