#557A9F#557A9F

#557A9F is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.071 H 249.2°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#557A9F
RGB	rgb(85, 122, 159)
HSL	hsl(210, 30%, 48%)
HSV	hsv(210, 47%, 62%)
CMYK	cmyk(46.5%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(49.92, -2.64, -23.92)
CIE-LCH	lch(49.92, 24.07, 263.70°)
OKLab	oklab(56.69% -0.0253 -0.0666)
OKLCH	oklch(56.69% 0.071 249.2)
XYZ	xyz(16.9617, 18.3524, 35.4427)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557A9F #9F7A55

analogous

#559F9F #557A9F #55559F

triadic

#557A9F #9F557A #7A9F55

tetradic

#557A9F #9F559F #9F7A55 #559F55

square

#557A9F #9F559F #9F7A55 #559F55

split-complementary

#557A9F #9F5555 #9F9F55

monochromatic

#2A3D4F #405B77 #557A9F #7A99B8 #A1B7CD

Accessibility & contrast

On white

4.50

#557A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#557A9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557A9F

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557A9F	#FFFFFF	#000000	##000000
##557A9F	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7BA1

Deuteranopia (green-blind)

#62739E

Tritanopia (blue-blind)

#368387

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #557a9f;
/* rgb */ color: rgb(85, 122, 159);
/* oklch */ color: oklch(56.7% 0.071 249.2);

Tailwind

colors: {
  custom: {
    50: '#89a0bb',
    500: '#557a9f',
    950: '#000000',
  },
}

SCSS

$custom: #557a9f;
$custom-light: #89a0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#557a9f",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 210,
    "s": 30.328,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56691,
    "c": 0.07125,
    "h": 249.2
  },
  "luminance": 0.18354
}

Semantic roles & 50–950 ramp

primary

#557A9F

secondary

#BAA895

accent

#9461C7

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #557A9F

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

Preview Lab → · Contrast checker → · Palette generator →