#557EA9#557EA9

#557EA9 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.081 H 250.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#557EA9
RGB	rgb(85, 126, 169)
HSL	hsl(211, 33%, 50%)
HSV	hsv(211, 50%, 66%)
CMYK	cmyk(49.7%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(51.51, -1.95, -27.27)
CIE-LCH	lch(51.51, 27.34, 265.92°)
OKLab	oklab(58.08% -0.027 -0.0762)
OKLCH	oklch(58.08% 0.081 250.5)
XYZ	xyz(18.3661, 19.7162, 40.3662)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EA9 #A98055

analogous

#55A8A9 #557EA9 #5655A9

triadic

#557EA9 #A9557E #7EA955

tetradic

#557EA9 #A955A8 #A98055 #55A956

square

#557EA9 #A955A8 #A98055 #55A956

split-complementary

#557EA9 #A95655 #A8A955

monochromatic

#2C4158 #416080 #557EA9 #7D9DBE #A6BCD2

Accessibility & contrast

On white

4.25

#557EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#557EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EA9

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EA9	#FFFFFF	#000000	##000000
##557EA9	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FAB

Deuteranopia (green-blind)

#6277A8

Tritanopia (blue-blind)

#2E888D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #557ea9;
/* rgb */ color: rgb(85, 126, 169);
/* oklch */ color: oklch(58.1% 0.081 250.5);

Tailwind

colors: {
  custom: {
    50: '#8aa3c2',
    500: '#557ea9',
    950: '#000000',
  },
}

SCSS

$custom: #557ea9;
$custom-light: #8aa3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#557ea9",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 210.714,
    "s": 33.071,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58084,
    "c": 0.08083,
    "h": 250.5
  },
  "luminance": 0.19718
}

Semantic roles & 50–950 ramp

primary

#557EA9

secondary

#C0AD9A

accent

#955FC9

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557EA9

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

Preview Lab → · Contrast checker → · Palette generator →