#557FA8#557FA8

#557FA8 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.079 H 248.7°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#557FA8
RGB	rgb(85, 127, 168)
HSL	hsl(210, 33%, 50%)
HSV	hsv(210, 49%, 66%)
CMYK	cmyk(49.4%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(51.76, -2.84, -26.30)
CIE-LCH	lch(51.76, 26.46, 263.84°)
OKLab	oklab(58.27% -0.0286 -0.0734)
OKLCH	oklch(58.27% 0.079 248.7)
XYZ	xyz(18.4011, 19.9359, 39.9165)
Luminance	0.1994 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FA8 #A87E55

analogous

#55A8A8 #557FA8 #5556A8

triadic

#557FA8 #A8557F #7FA855

tetradic

#557FA8 #A855A8 #A87E55 #56A855

square

#557FA8 #A855A8 #A87E55 #56A855

split-complementary

#557FA8 #A85556 #A8A855

monochromatic

#2C4257 #40607F #557FA8 #7D9DBD #A6BCD2

Accessibility & contrast

On white

4.21

#557FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#557FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FA8

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FA8	#FFFFFF	#000000	##000000
##557FA8	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E80AA

Deuteranopia (green-blind)

#6478A7

Tritanopia (blue-blind)

#2E898D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557fa8;
/* rgb */ color: rgb(85, 127, 168);
/* oklch */ color: oklch(58.3% 0.079 248.7);

Tailwind

colors: {
  custom: {
    50: '#8aa4c2',
    500: '#557fa8',
    950: '#000000',
  },
}

SCSS

$custom: #557fa8;
$custom-light: #8aa4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#557fa8",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 209.639,
    "s": 32.806,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58267,
    "c": 0.07878,
    "h": 248.7
  },
  "luminance": 0.19937
}

Semantic roles & 50–950 ramp

primary

#557FA8

secondary

#BFAC99

accent

#935FC9

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557FA8

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

Preview Lab → · Contrast checker → · Palette generator →