#557A8F#557A8F

#557A8F is a mid, muted cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.053 H 233.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#557A8F
RGB	rgb(85, 122, 143)
HSL	hsl(202, 25%, 45%)
HSV	hsv(202, 41%, 56%)
CMYK	cmyk(40.6%, 14.7%, 0%, 43.9%)
CIE-LAB	lab(49.29, -7.31, -15.51)
CIE-LCH	lch(49.29, 17.15, 244.75°)
OKLab	oklab(55.99% -0.0312 -0.0428)
OKLCH	oklch(55.99% 0.053 233.9)
XYZ	xyz(15.6621, 17.8326, 28.5980)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557A8F #8F6A55

analogous

#558F87 #557A8F #555D8F

triadic

#557A8F #8F557A #7A8F55

tetradic

#557A8F #87558F #8F6A55 #5D8F55

square

#557A8F #87558F #8F6A55 #5D8F55

split-complementary

#557A8F #8F555D #8F8755

monochromatic

#273942 #3E5969 #557A8F #7598AD #9BB5C4

Accessibility & contrast

On white

4.60

#557A8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#557A8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #557A8F

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557A8F	#FFFFFF	#000000	##FFFFFF
##557A8F	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707990

Deuteranopia (green-blind)

#68728F

Tritanopia (blue-blind)

#3F8081

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #557a8f;
/* rgb */ color: rgb(85, 122, 143);
/* oklch */ color: oklch(56.0% 0.053 233.9);

Tailwind

colors: {
  custom: {
    50: '#87a0af',
    500: '#557a8f',
    950: '#000000',
  },
}

SCSS

$custom: #557a8f;
$custom-light: #87a0af;
$custom-dark: #000000;

JSON

{
  "hex": "#557a8f",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 143
  },
  "hsl": {
    "h": 201.724,
    "s": 25.439,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55987,
    "c": 0.05294,
    "h": 233.9
  },
  "luminance": 0.17834
}

Semantic roles & 50–950 ramp

primary

#557A8F

secondary

#B19B8F

accent

#8766C2

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #557A8F

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

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