#557CB2#557CB2

#557CB2 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.1% C 0.095 H 256.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#557CB2
RGB	rgb(85, 124, 178)
HSL	hsl(215, 38%, 52%)
HSV	hsv(215, 52%, 70%)
CMYK	cmyk(52.2%, 30.3%, 0%, 30.2%)
CIE-LAB	lab(51.34, 2.05, -32.75)
CIE-LCH	lch(51.34, 32.82, 273.58°)
OKLab	oklab(58.08% -0.0217 -0.092)
OKLCH	oklch(58.08% 0.095 256.7)
XYZ	xyz(18.9871, 19.5595, 44.8857)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CB2 #B28B55

analogous

#55ABB2 #557CB2 #5D55B2

triadic

#557CB2 #B2557C #7CB255

tetradic

#557CB2 #B255AB #B28B55 #55B25D

square

#557CB2 #B255AB #B28B55 #55B25D

split-complementary

#557CB2 #B25D55 #ABB255

monochromatic

#2C4261 #3F5F8B #557CB2 #7F9CC5 #A9BDD8

Accessibility & contrast

On white

4.28

#557CB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#557CB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CB2

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CB2	#FFFFFF	#000000	##000000
##557CB2	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB4

Deuteranopia (green-blind)

#5B76B1

Tritanopia (blue-blind)

#26888F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557cb2;
/* rgb */ color: rgb(85, 124, 178);
/* oklch */ color: oklch(58.1% 0.095 256.7);

Tailwind

colors: {
  custom: {
    50: '#8ba1c9',
    500: '#557cb2',
    950: '#000000',
  },
}

SCSS

$custom: #557cb2;
$custom-light: #8ba1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#557cb2",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 178
  },
  "hsl": {
    "h": 214.839,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58076,
    "c": 0.09456,
    "h": 256.7
  },
  "luminance": 0.19561
}

Semantic roles & 50–950 ramp

primary

#557CB2

secondary

#C6B59D

accent

#9D5ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #557CB2

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

Preview Lab → · Contrast checker → · Palette generator →