#557B87#557B87

#557B87 is a mid, muted cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.046 H 219.5°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#557B87
RGB	rgb(85, 123, 135)
HSL	hsl(194, 23%, 43%)
HSV	hsv(194, 37%, 53%)
CMYK	cmyk(37%, 8.9%, 0%, 47.1%)
CIE-LAB	lab(49.31, -10.10, -10.78)
CIE-LCH	lch(49.31, 14.77, 226.86°)
OKLab	oklab(55.91% -0.0358 -0.0295)
OKLCH	oklch(55.91% 0.046 219.5)
XYZ	xyz(15.2010, 17.8456, 25.5605)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B87 #876155

analogous

#55877A #557B87 #556287

triadic

#557B87 #87557B #7B8755

tetradic

#557B87 #7A5587 #876155 #628755

square

#557B87 #7A5587 #876155 #628755

split-complementary

#557B87 #875562 #877A55

monochromatic

#26373C #3D5961 #557B87 #739AA7 #98B5BE

Accessibility & contrast

On white

4.60

#557B87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#557B87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #557B87

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B87	#FFFFFF	#000000	##FFFFFF
##557B87	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)

#737988

Deuteranopia (green-blind)

#6C7387

Tritanopia (blue-blind)

#437F7F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #557b87;
/* rgb */ color: rgb(85, 123, 135);
/* oklch */ color: oklch(55.9% 0.046 219.5);

Tailwind

colors: {
  custom: {
    50: '#87a1aa',
    500: '#557b87',
    950: '#000000',
  },
}

SCSS

$custom: #557b87;
$custom-light: #87a1aa;
$custom-dark: #000000;

JSON

{
  "hex": "#557b87",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 135
  },
  "hsl": {
    "h": 194.4,
    "s": 22.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.55905,
    "c": 0.04643,
    "h": 219.5
  },
  "luminance": 0.17846
}

Semantic roles & 50–950 ramp

primary

#557B87

secondary

#AC948C

accent

#7D69BF

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F10

muted

#7C7E7F

Preview Lab

Preview with #557B87

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

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