#557FA3#557FA3

#557FA3 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.0% C 0.073 H 245.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#557FA3
RGB	rgb(85, 127, 163)
HSL	hsl(208, 31%, 49%)
HSV	hsv(208, 48%, 64%)
CMYK	cmyk(47.9%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(51.56, -4.36, -23.73)
CIE-LCH	lch(51.56, 24.12, 259.59°)
OKLab	oklab(58.04% -0.0303 -0.066)
OKLCH	oklch(58.04% 0.073 245.4)
XYZ	xyz(17.9443, 19.7531, 37.5104)
Luminance	0.1975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FA3 #A37955

analogous

#55A3A0 #557FA3 #5558A3

triadic

#557FA3 #A3557F #7FA355

tetradic

#557FA3 #A055A3 #A37955 #58A355

square

#557FA3 #A055A3 #A37955 #58A355

split-complementary

#557FA3 #A35558 #A3A055

monochromatic

#2B4053 #40607B #557FA3 #7B9DBA #A3BBCF

Accessibility & contrast

On white

4.24

#557FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#557FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FA3

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FA3	#FFFFFF	#000000	##000000
##557FA3	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)

#707FA5

Deuteranopia (green-blind)

#6677A2

Tritanopia (blue-blind)

#32888B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557fa3;
/* rgb */ color: rgb(85, 127, 163);
/* oklch */ color: oklch(58.0% 0.073 245.4);

Tailwind

colors: {
  custom: {
    50: '#89a4be',
    500: '#557fa3',
    950: '#000000',
  },
}

SCSS

$custom: #557fa3;
$custom-light: #89a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#557fa3",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 207.692,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58035,
    "c": 0.07266,
    "h": 245.4
  },
  "luminance": 0.19754
}

Semantic roles & 50–950 ramp

primary

#557FA3

secondary

#BDA897

accent

#9060C8

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557FA3

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

Preview Lab → · Contrast checker → · Palette generator →