#33577E#33577E

#33577E is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.8% C 0.077 H 251.6°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#33577E
RGB	rgb(51, 87, 126)
HSL	hsl(211, 42%, 35%)
HSV	hsv(211, 60%, 49%)
CMYK	cmyk(59.5%, 31%, 0%, 50.6%)
CIE-LAB	lab(36.03, -0.36, -25.89)
CIE-LCH	lch(36.03, 25.89, 269.21°)
OKLab	oklab(44.8% -0.0242 -0.0729)
OKLCH	oklch(44.8% 0.077 251.6)
XYZ	xyz(8.5380, 9.0258, 21.0268)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33577E #7E5A33

analogous

#337D7E #33577E #35337E

triadic

#33577E #7E3357 #577E33

tetradic

#33577E #7E337D #7E5A33 #337E35

square

#33577E #7E337D #7E5A33 #337E35

split-complementary

#33577E #7E3533 #7D7E33

monochromatic

#101B27 #213952 #33577E #4575AA #6994C2

Accessibility & contrast

On white

7.49

#33577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#33577E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33577E

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33577E	#FFFFFF	#000000	##FFFFFF
##33577E	1.00	7.49	2.81	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475980

Deuteranopia (green-blind)

#3D517D

Tritanopia (blue-blind)

#006065

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #33577e;
/* rgb */ color: rgb(51, 87, 126);
/* oklch */ color: oklch(44.8% 0.077 251.6);

Tailwind

colors: {
  custom: {
    50: '#7186a3',
    500: '#33577e',
    950: '#000000',
  },
}

SCSS

$custom: #33577e;
$custom-light: #7186a3;
$custom-dark: #000000;

JSON

{
  "hex": "#33577e",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 211.2,
    "s": 42.373,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44796,
    "c": 0.07679,
    "h": 251.6
  },
  "luminance": 0.09027
}

Semantic roles & 50–950 ramp

primary

#33577E

secondary

#AA8863

accent

#9656D2

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #33577E

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

Preview Lab → · Contrast checker → · Palette generator →