#557EAA#557EAA

#557EAA is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.082 H 251.0°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#557EAA
RGB	rgb(85, 126, 170)
HSL	hsl(211, 33%, 50%)
HSV	hsv(211, 50%, 67%)
CMYK	cmyk(50%, 25.9%, 0%, 33.3%)
CIE-LAB	lab(51.56, -1.64, -27.78)
CIE-LCH	lch(51.56, 27.83, 266.63°)
OKLab	oklab(58.13% -0.0267 -0.0777)
OKLCH	oklch(58.13% 0.082 251)
XYZ	xyz(18.4604, 19.7539, 40.8625)
Luminance	0.1976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EAA #AA8155

analogous

#55A8AA #557EAA #5755AA

triadic

#557EAA #AA557E #7EAA55

tetradic

#557EAA #AA55A8 #AA8155 #55AA57

square

#557EAA #AA55A8 #AA8155 #55AA57

split-complementary

#557EAA #AA5755 #A8AA55

monochromatic

#2C4258 #416081 #557EAA #7E9DBE #A7BCD3

Accessibility & contrast

On white

4.24

#557EAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#557EAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EAA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EAA	#FFFFFF	#000000	##000000
##557EAA	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C80AC

Deuteranopia (green-blind)

#6277A9

Tritanopia (blue-blind)

#2D888D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557eaa;
/* rgb */ color: rgb(85, 126, 170);
/* oklch */ color: oklch(58.1% 0.082 251.0);

Tailwind

colors: {
  custom: {
    50: '#8aa3c3',
    500: '#557eaa',
    950: '#000000',
  },
}

SCSS

$custom: #557eaa;
$custom-light: #8aa3c3;
$custom-dark: #000000;

JSON

{
  "hex": "#557eaa",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 170
  },
  "hsl": {
    "h": 211.059,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.58132,
    "c": 0.08212,
    "h": 251
  },
  "luminance": 0.19755
}

Semantic roles & 50–950 ramp

primary

#557EAA

secondary

#C0AE9A

accent

#965EC9

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557EAA

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

Preview Lab → · Contrast checker → · Palette generator →