#557CA3#557CA3

#557CA3 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.075 H 249.2°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#557CA3
RGB	rgb(85, 124, 163)
HSL	hsl(210, 31%, 49%)
HSV	hsv(210, 48%, 64%)
CMYK	cmyk(47.9%, 23.9%, 0%, 36.1%)
CIE-LAB	lab(50.68, -2.61, -25.09)
CIE-LCH	lch(50.68, 25.22, 264.07°)
OKLab	oklab(57.34% -0.0265 -0.0699)
OKLCH	oklch(57.34% 0.075 249.2)
XYZ	xyz(17.5626, 18.9897, 37.3832)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CA3 #A37C55

analogous

#55A3A3 #557CA3 #5555A3

triadic

#557CA3 #A3557C #7CA355

tetradic

#557CA3 #A355A3 #A37C55 #55A355

square

#557CA3 #A355A3 #A37C55 #55A355

split-complementary

#557CA3 #A35555 #A3A355

monochromatic

#2B3F53 #405D7B #557CA3 #7B9BBA #A3B9CF

Accessibility & contrast

On white

4.38

#557CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#557CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CA3

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CA3	#FFFFFF	#000000	##000000
##557CA3	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA5

Deuteranopia (green-blind)

#6275A2

Tritanopia (blue-blind)

#338589

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #557ca3;
/* rgb */ color: rgb(85, 124, 163);
/* oklch */ color: oklch(57.3% 0.075 249.2);

Tailwind

colors: {
  custom: {
    50: '#89a1be',
    500: '#557ca3',
    950: '#000000',
  },
}

SCSS

$custom: #557ca3;
$custom-light: #89a1be;
$custom-dark: #000000;

JSON

{
  "hex": "#557ca3",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 163
  },
  "hsl": {
    "h": 210,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5734,
    "c": 0.07479,
    "h": 249.2
  },
  "luminance": 0.18991
}

Semantic roles & 50–950 ramp

primary

#557CA3

secondary

#BDAA97

accent

#9460C8

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #557CA3

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

Preview Lab → · Contrast checker → · Palette generator →