#557DA4#557DA4

#557DA4 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.075 H 248.6°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#557DA4
RGB	rgb(85, 125, 164)
HSL	hsl(210, 32%, 49%)
HSV	hsv(210, 48%, 64%)
CMYK	cmyk(48.2%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(51.01, -2.89, -25.15)
CIE-LCH	lch(51.01, 25.32, 263.45°)
OKLab	oklab(57.62% -0.0274 -0.0701)
OKLCH	oklch(57.62% 0.075 248.6)
XYZ	xyz(17.7785, 19.2776, 37.8989)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DA4 #A47C55

analogous

#55A4A4 #557DA4 #5556A4

triadic

#557DA4 #A4557D #7DA455

tetradic

#557DA4 #A455A4 #A47C55 #56A455

square

#557DA4 #A455A4 #A47C55 #56A455

split-complementary

#557DA4 #A45556 #A4A455

monochromatic

#2B4053 #405E7C #557DA4 #7B9CBB #A4BAD0

Accessibility & contrast

On white

4.32

#557DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#557DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DA4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DA4	#FFFFFF	#000000	##000000
##557DA4	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)

#6D7EA6

Deuteranopia (green-blind)

#6376A3

Tritanopia (blue-blind)

#32868A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #557da4;
/* rgb */ color: rgb(85, 125, 164);
/* oklch */ color: oklch(57.6% 0.075 248.6);

Tailwind

colors: {
  custom: {
    50: '#89a2bf',
    500: '#557da4',
    950: '#000000',
  },
}

SCSS

$custom: #557da4;
$custom-light: #89a2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#557da4",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 209.62,
    "s": 31.727,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57618,
    "c": 0.07529,
    "h": 248.6
  },
  "luminance": 0.19279
}

Semantic roles & 50–950 ramp

primary

#557DA4

secondary

#BDAA98

accent

#9360C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #557DA4

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

Preview Lab → · Contrast checker → · Palette generator →