#557EA7#557EA7

#557EA7 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.078 H 249.3°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#557EA7
RGB	rgb(85, 126, 167)
HSL	hsl(210, 33%, 49%)
HSV	hsv(210, 49%, 65%)
CMYK	cmyk(49.1%, 24.6%, 0%, 34.5%)
CIE-LAB	lab(51.43, -2.56, -26.24)
CIE-LCH	lch(51.43, 26.37, 264.43°)
OKLab	oklab(57.99% -0.0277 -0.0732)
OKLCH	oklch(57.99% 0.078 249.3)
XYZ	xyz(18.1798, 19.6417, 39.3850)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EA7 #A77E55

analogous

#55A7A7 #557EA7 #5555A7

triadic

#557EA7 #A7557E #7EA755

tetradic

#557EA7 #A755A7 #A77E55 #55A755

square

#557EA7 #A755A7 #A77E55 #55A755

split-complementary

#557EA7 #A75555 #A7A755

monochromatic

#2C4156 #405F7E #557EA7 #7D9DBD #A5BBD1

Accessibility & contrast

On white

4.26

#557EA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#557EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EA7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EA7	#FFFFFF	#000000	##000000
##557EA7	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FA9

Deuteranopia (green-blind)

#6377A6

Tritanopia (blue-blind)

#2F878C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557ea7;
/* rgb */ color: rgb(85, 126, 167);
/* oklch */ color: oklch(58.0% 0.078 249.3);

Tailwind

colors: {
  custom: {
    50: '#89a3c1',
    500: '#557ea7',
    950: '#000000',
  },
}

SCSS

$custom: #557ea7;
$custom-light: #89a3c1;
$custom-dark: #000000;

JSON

{
  "hex": "#557ea7",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 167
  },
  "hsl": {
    "h": 210,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57989,
    "c": 0.0783,
    "h": 249.3
  },
  "luminance": 0.19643
}

Semantic roles & 50–950 ramp

primary

#557EA7

secondary

#BFAC99

accent

#945FC9

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557EA7

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

Preview Lab → · Contrast checker → · Palette generator →