#557EA4#557EA4

#557EA4 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.075 H 247.4°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#557EA4
RGB	rgb(85, 126, 164)
HSL	hsl(209, 32%, 49%)
HSV	hsv(209, 48%, 64%)
CMYK	cmyk(48.2%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(51.30, -3.47, -24.70)
CIE-LCH	lch(51.30, 24.94, 261.99°)
OKLab	oklab(57.85% -0.0287 -0.0688)
OKLCH	oklch(57.85% 0.075 247.4)
XYZ	xyz(17.9057, 19.5321, 37.9413)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EA4 #A47B55

analogous

#55A4A3 #557EA4 #5557A4

triadic

#557EA4 #A4557E #7EA455

tetradic

#557EA4 #A355A4 #A47B55 #57A455

square

#557EA4 #A355A4 #A47B55 #57A455

split-complementary

#557EA4 #A45557 #A4A355

monochromatic

#2B4053 #405F7C #557EA4 #7B9CBB #A4BBD0

Accessibility & contrast

On white

4.28

#557EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#557EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EA4

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EA4	#FFFFFF	#000000	##000000
##557EA4	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)

#6E7FA6

Deuteranopia (green-blind)

#6477A3

Tritanopia (blue-blind)

#32878B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557ea4;
/* rgb */ color: rgb(85, 126, 164);
/* oklch */ color: oklch(57.8% 0.075 247.4);

Tailwind

colors: {
  custom: {
    50: '#89a3bf',
    500: '#557ea4',
    950: '#000000',
  },
}

SCSS

$custom: #557ea4;
$custom-light: #89a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#557ea4",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 208.861,
    "s": 31.727,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57849,
    "c": 0.07456,
    "h": 247.4
  },
  "luminance": 0.19533
}

Semantic roles & 50–950 ramp

primary

#557EA4

secondary

#BDAA98

accent

#9260C8

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557EA4

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

Preview Lab → · Contrast checker → · Palette generator →