#557E99#557E99

#557E99 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.062 H 238.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#557E99
RGB	rgb(85, 126, 153)
HSL	hsl(204, 29%, 47%)
HSV	hsv(204, 44%, 60%)
CMYK	cmyk(44.4%, 17.6%, 0%, 40%)
CIE-LAB	lab(50.86, -6.74, -18.97)
CIE-LCH	lch(50.86, 20.13, 250.43°)
OKLab	oklab(57.36% -0.0326 -0.0525)
OKLCH	oklch(57.36% 0.062 238.1)
XYZ	xyz(16.9550, 19.1518, 32.9340)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557E99 #997055

analogous

#559992 #557E99 #555C99

triadic

#557E99 #99557E #7E9955

tetradic

#557E99 #925599 #997055 #5C9955

square

#557E99 #925599 #997055 #5C9955

split-complementary

#557E99 #99555C #999255

monochromatic

#293D4A #3F5E72 #557E99 #779CB4 #9FB9CA

Accessibility & contrast

On white

4.35

#557E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#557E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557E99

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557E99	#FFFFFF	#000000	##000000
##557E99	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727D9A

Deuteranopia (green-blind)

#697699

Tritanopia (blue-blind)

#398587

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #557e99;
/* rgb */ color: rgb(85, 126, 153);
/* oklch */ color: oklch(57.4% 0.062 238.1);

Tailwind

colors: {
  custom: {
    50: '#88a3b7',
    500: '#557e99',
    950: '#000000',
  },
}

SCSS

$custom: #557e99;
$custom-light: #88a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#557e99",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 153
  },
  "hsl": {
    "h": 203.824,
    "s": 28.571,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57356,
    "c": 0.06184,
    "h": 238.1
  },
  "luminance": 0.19153
}

Semantic roles & 50–950 ramp

primary

#557E99

secondary

#B7A193

accent

#8A63C5

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #557E99

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

Preview Lab → · Contrast checker → · Palette generator →