#557DAE#557DAE

#557DAE is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.088 H 254.1°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#557DAE
RGB	rgb(85, 125, 174)
HSL	hsl(213, 35%, 51%)
HSV	hsv(213, 51%, 68%)
CMYK	cmyk(51.1%, 28.2%, 0%, 31.8%)
CIE-LAB	lab(51.44, 0.20, -30.28)
CIE-LCH	lch(51.44, 30.28, 270.37°)
OKLab	oklab(58.1% -0.0242 -0.0848)
OKLCH	oklch(58.1% 0.088 254.1)
XYZ	xyz(18.7173, 19.6531, 42.8433)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DAE #AE8655

analogous

#55A9AE #557DAE #5955AE

triadic

#557DAE #AE557D #7DAE55

tetradic

#557DAE #AE55A9 #AE8655 #55AE59

square

#557DAE #AE55A9 #AE8655 #55AE59

split-complementary

#557DAE #AE5955 #A9AE55

monochromatic

#2C425D #405F86 #557DAE #7E9DC2 #A8BCD5

Accessibility & contrast

On white

4.26

#557DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#557DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DAE

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DAE	#FFFFFF	#000000	##000000
##557DAE	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FB0

Deuteranopia (green-blind)

#5F77AD

Tritanopia (blue-blind)

#29888E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557dae;
/* rgb */ color: rgb(85, 125, 174);
/* oklch */ color: oklch(58.1% 0.088 254.1);

Tailwind

colors: {
  custom: {
    50: '#8aa2c6',
    500: '#557dae',
    950: '#000000',
  },
}

SCSS

$custom: #557dae;
$custom-light: #8aa2c6;
$custom-dark: #000000;

JSON

{
  "hex": "#557dae",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 174
  },
  "hsl": {
    "h": 213.034,
    "s": 35.458,
    "l": 50.784
  },
  "oklch": {
    "l": 0.581,
    "c": 0.08823,
    "h": 254.1
  },
  "luminance": 0.19655
}

Semantic roles & 50–950 ramp

primary

#557DAE

secondary

#C3B19C

accent

#9A5CCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #557DAE

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

Preview Lab → · Contrast checker → · Palette generator →