#557EA3#557EA3

#557EA3 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.073 H 246.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#557EA3
RGB	rgb(85, 126, 163)
HSL	hsl(208, 31%, 49%)
HSV	hsv(208, 48%, 64%)
CMYK	cmyk(47.9%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(51.26, -3.78, -24.18)
CIE-LCH	lch(51.26, 24.47, 261.12°)
OKLab	oklab(57.8% -0.029 -0.0673)
OKLCH	oklch(57.8% 0.073 246.7)
XYZ	xyz(17.8158, 19.4961, 37.4676)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EA3 #A37A55

analogous

#55A3A1 #557EA3 #5557A3

triadic

#557EA3 #A3557E #7EA355

tetradic

#557EA3 #A155A3 #A37A55 #57A355

square

#557EA3 #A155A3 #A37A55 #57A355

split-complementary

#557EA3 #A35557 #A3A155

monochromatic

#2B4053 #405F7B #557EA3 #7B9CBA #A3BACF

Accessibility & contrast

On white

4.29

#557EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#557EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EA3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EA3	#FFFFFF	#000000	##000000
##557EA3	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7FA5

Deuteranopia (green-blind)

#6577A2

Tritanopia (blue-blind)

#33878A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557ea3;
/* rgb */ color: rgb(85, 126, 163);
/* oklch */ color: oklch(57.8% 0.073 246.7);

Tailwind

colors: {
  custom: {
    50: '#89a3be',
    500: '#557ea3',
    950: '#000000',
  },
}

SCSS

$custom: #557ea3;
$custom-light: #89a3be;
$custom-dark: #000000;

JSON

{
  "hex": "#557ea3",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 208.462,
    "s": 31.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57803,
    "c": 0.07333,
    "h": 246.7
  },
  "luminance": 0.19497
}

Semantic roles & 50–950 ramp

primary

#557EA3

secondary

#BDA997

accent

#9160C8

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #557EA3

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

Preview Lab → · Contrast checker → · Palette generator →