#557AAA#557AAA

#557AAA is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.086 H 255.3°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#557AAA
RGB	rgb(85, 122, 170)
HSL	hsl(214, 33%, 50%)
HSV	hsv(214, 50%, 67%)
CMYK	cmyk(50%, 28.2%, 0%, 33.3%)
CIE-LAB	lab(50.40, 0.73, -29.59)
CIE-LCH	lch(50.40, 29.60, 271.41°)
OKLab	oklab(57.22% -0.0217 -0.0829)
OKLCH	oklch(57.22% 0.086 255.3)
XYZ	xyz(17.9591, 18.7514, 40.6954)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557AAA #AA8555

analogous

#55A5AA #557AAA #5A55AA

triadic

#557AAA #AA557A #7AAA55

tetradic

#557AAA #AA55A5 #AA8555 #55AA5A

square

#557AAA #AA55A5 #AA8555 #55AA5A

split-complementary

#557AAA #AA5A55 #A5AA55

monochromatic

#2C3F58 #415D81 #557AAA #7E9ABE #A7BAD3

Accessibility & contrast

On white

4.42

#557AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#557AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557AAA

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557AAA	#FFFFFF	#000000	##000000
##557AAA	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677CAC

Deuteranopia (green-blind)

#5D74A9

Tritanopia (blue-blind)

#2E858B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #557aaa;
/* rgb */ color: rgb(85, 122, 170);
/* oklch */ color: oklch(57.2% 0.086 255.3);

Tailwind

colors: {
  custom: {
    50: '#8aa0c3',
    500: '#557aaa',
    950: '#000000',
  },
}

SCSS

$custom: #557aaa;
$custom-light: #8aa0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#557aaa",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 170
  },
  "hsl": {
    "h": 213.882,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.5722,
    "c": 0.08569,
    "h": 255.3
  },
  "luminance": 0.18753
}

Semantic roles & 50–950 ramp

primary

#557AAA

secondary

#C0B09A

accent

#9B5EC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #557AAA

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

Preview Lab → · Contrast checker → · Palette generator →