#557CA1#557CA1

#557CA1 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.072 H 247.9°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#557CA1
RGB	rgb(85, 124, 161)
HSL	hsl(209, 31%, 48%)
HSV	hsv(209, 47%, 63%)
CMYK	cmyk(47.2%, 23%, 0%, 36.9%)
CIE-LAB	lab(50.59, -3.21, -24.05)
CIE-LCH	lch(50.59, 24.27, 262.40°)
OKLab	oklab(57.25% -0.0272 -0.067)
OKLCH	oklch(57.25% 0.072 247.9)
XYZ	xyz(17.3848, 18.9186, 36.4469)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CA1 #A17A55

analogous

#55A1A0 #557CA1 #5556A1

triadic

#557CA1 #A1557C #7CA155

tetradic

#557CA1 #A055A1 #A17A55 #56A155

square

#557CA1 #A055A1 #A17A55 #56A155

split-complementary

#557CA1 #A15556 #A1A055

monochromatic

#2B3E51 #405D79 #557CA1 #7A9AB9 #A2B9CE

Accessibility & contrast

On white

4.39

#557CA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#557CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CA1

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CA1	#FFFFFF	#000000	##000000
##557CA1	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA3

Deuteranopia (green-blind)

#6375A0

Tritanopia (blue-blind)

#348588

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #557ca1;
/* rgb */ color: rgb(85, 124, 161);
/* oklch */ color: oklch(57.2% 0.072 247.9);

Tailwind

colors: {
  custom: {
    50: '#89a1bd',
    500: '#557ca1',
    950: '#000000',
  },
}

SCSS

$custom: #557ca1;
$custom-light: #89a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#557ca1",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 209.211,
    "s": 30.894,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57247,
    "c": 0.07228,
    "h": 247.9
  },
  "luminance": 0.1892
}

Semantic roles & 50–950 ramp

primary

#557CA1

secondary

#BCA896

accent

#9361C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #557CA1

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

Preview Lab → · Contrast checker → · Palette generator →