#557DAD#557DAD

#557DAD is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.087 H 253.6°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#557DAD
RGB	rgb(85, 125, 173)
HSL	hsl(213, 35%, 51%)
HSV	hsv(213, 51%, 68%)
CMYK	cmyk(50.9%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(51.40, -0.12, -29.77)
CIE-LCH	lch(51.40, 29.77, 269.77°)
OKLab	oklab(58.05% -0.0245 -0.0834)
OKLCH	oklch(58.05% 0.087 253.6)
XYZ	xyz(18.6202, 19.6143, 42.3318)
Luminance	0.1962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DAD #AD8555

analogous

#55A9AD #557DAD #5955AD

triadic

#557DAD #AD557D #7DAD55

tetradic

#557DAD #AD55A9 #AD8555 #55AD59

square

#557DAD #AD55A9 #AD8555 #55AD59

split-complementary

#557DAD #AD5955 #A9AD55

monochromatic

#2C425B #405F85 #557DAD #7E9DC1 #A8BCD5

Accessibility & contrast

On white

4.27

#557DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#557DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DAD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DAD	#FFFFFF	#000000	##000000
##557DAD	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FAF

Deuteranopia (green-blind)

#5F77AC

Tritanopia (blue-blind)

#2A888E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557dad;
/* rgb */ color: rgb(85, 125, 173);
/* oklch */ color: oklch(58.1% 0.087 253.6);

Tailwind

colors: {
  custom: {
    50: '#8aa2c5',
    500: '#557dad',
    950: '#000000',
  },
}

SCSS

$custom: #557dad;
$custom-light: #8aa2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#557dad",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 212.727,
    "s": 34.921,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5805,
    "c": 0.0869,
    "h": 253.6
  },
  "luminance": 0.19616
}

Semantic roles & 50–950 ramp

primary

#557DAD

secondary

#C2B19B

accent

#995DCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #557DAD

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

Preview Lab → · Contrast checker → · Palette generator →