#557EA0#557EA0

#557EA0 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.070 H 244.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#557EA0
RGB	rgb(85, 126, 160)
HSL	hsl(207, 31%, 48%)
HSV	hsv(207, 47%, 63%)
CMYK	cmyk(46.9%, 21.2%, 0%, 37.3%)
CIE-LAB	lab(51.14, -4.68, -22.63)
CIE-LCH	lch(51.14, 23.10, 258.32°)
OKLab	oklab(57.67% -0.0301 -0.0629)
OKLCH	oklch(57.67% 0.07 244.4)
XYZ	xyz(17.5501, 19.3899, 36.0687)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EA0 #A07755

analogous

#55A09C #557EA0 #5558A0

triadic

#557EA0 #A0557E #7EA055

tetradic

#557EA0 #9C55A0 #A07755 #58A055

square

#557EA0 #9C55A0 #A07755 #58A055

split-complementary

#557EA0 #A05558 #A09C55

monochromatic

#2B3F50 #405F78 #557EA0 #7A9CB8 #A2BACE

Accessibility & contrast

On white

4.30

#557EA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#557EA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EA0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EA0	#FFFFFF	#000000	##000000
##557EA0	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA2

Deuteranopia (green-blind)

#66769F

Tritanopia (blue-blind)

#358689

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557ea0;
/* rgb */ color: rgb(85, 126, 160);
/* oklch */ color: oklch(57.7% 0.070 244.4);

Tailwind

colors: {
  custom: {
    50: '#89a3bc',
    500: '#557ea0',
    950: '#000000',
  },
}

SCSS

$custom: #557ea0;
$custom-light: #89a3bc;
$custom-dark: #000000;

JSON

{
  "hex": "#557ea0",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 160
  },
  "hsl": {
    "h": 207.2,
    "s": 30.612,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57666,
    "c": 0.06972,
    "h": 244.4
  },
  "luminance": 0.19391
}

Semantic roles & 50–950 ramp

primary

#557EA0

secondary

#BBA796

accent

#8F61C7

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557EA0

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

Preview Lab → · Contrast checker → · Palette generator →