#557CAB#557CAB

#557CAB is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.085 H 253.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#557CAB
RGB	rgb(85, 124, 171)
HSL	hsl(213, 34%, 50%)
HSV	hsv(213, 50%, 67%)
CMYK	cmyk(50.3%, 27.5%, 0%, 32.9%)
CIE-LAB	lab(51.02, -0.15, -29.20)
CIE-LCH	lch(51.02, 29.20, 269.71°)
OKLab	oklab(57.72% -0.0239 -0.0817)
OKLCH	oklch(57.72% 0.085 253.7)
XYZ	xyz(18.3021, 19.2856, 41.2782)
Luminance	0.1929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CAB #AB8455

analogous

#55A7AB #557CAB #5955AB

triadic

#557CAB #AB557C #7CAB55

tetradic

#557CAB #AB55A7 #AB8455 #55AB59

square

#557CAB #AB55A7 #AB8455 #55AB59

split-complementary

#557CAB #AB5955 #A7AB55

monochromatic

#2C4159 #405E82 #557CAB #7E9CBF #A7BBD3

Accessibility & contrast

On white

4.32

#557CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#557CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CAB

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CAB	#FFFFFF	#000000	##000000
##557CAB	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697EAD

Deuteranopia (green-blind)

#5F76AA

Tritanopia (blue-blind)

#2D878C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #557cab;
/* rgb */ color: rgb(85, 124, 171);
/* oklch */ color: oklch(57.7% 0.085 253.7);

Tailwind

colors: {
  custom: {
    50: '#8aa1c4',
    500: '#557cab',
    950: '#000000',
  },
}

SCSS

$custom: #557cab;
$custom-light: #8aa1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#557cab",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 212.791,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57724,
    "c": 0.08517,
    "h": 253.7
  },
  "luminance": 0.19287
}

Semantic roles & 50–950 ramp

primary

#557CAB

secondary

#C1B09B

accent

#995ECA

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #557CAB

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

Preview Lab → · Contrast checker → · Palette generator →