#557FB7#557FB7

#557FB7 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.098 H 256.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#557FB7
RGB	rgb(85, 127, 183)
HSL	hsl(214, 40%, 53%)
HSV	hsv(214, 54%, 72%)
CMYK	cmyk(53.6%, 30.6%, 0%, 28.2%)
CIE-LAB	lab(52.43, 1.85, -33.92)
CIE-LCH	lch(52.43, 33.97, 273.12°)
OKLab	oklab(59.01% -0.0239 -0.0954)
OKLCH	oklch(59.01% 0.098 256)
XYZ	xyz(19.8800, 20.5274, 47.7051)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FB7 #B78D55

analogous

#55B0B7 #557FB7 #5C55B7

triadic

#557FB7 #B7557F #7FB755

tetradic

#557FB7 #B755B0 #B78D55 #55B75C

square

#557FB7 #B755B0 #B78D55 #55B75C

split-complementary

#557FB7 #B75C55 #B0B755

monochromatic

#2B4566 #3E6191 #557FB7 #809FC9 #ABC0DB

Accessibility & contrast

On white

4.11

#557FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#557FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FB7

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FB7	#FFFFFF	#000000	##000000
##557FB7	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B9

Deuteranopia (green-blind)

#5C79B6

Tritanopia (blue-blind)

#1E8C93

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #557fb7;
/* rgb */ color: rgb(85, 127, 183);
/* oklch */ color: oklch(59.0% 0.098 256.0);

Tailwind

colors: {
  custom: {
    50: '#8ba3cd',
    500: '#557fb7',
    950: '#000000',
  },
}

SCSS

$custom: #557fb7;
$custom-light: #8ba3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#557fb7",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 183
  },
  "hsl": {
    "h": 214.286,
    "s": 40.496,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59006,
    "c": 0.09833,
    "h": 256
  },
  "luminance": 0.20529
}

Semantic roles & 50–950 ramp

primary

#557FB7

secondary

#C9B79F

accent

#9D57D0

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #557FB7

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

Preview Lab → · Contrast checker → · Palette generator →