#557EB2#557EB2

#557EB2 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.093 H 254.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#557EB2
RGB	rgb(85, 126, 178)
HSL	hsl(214, 38%, 52%)
HSV	hsv(214, 52%, 70%)
CMYK	cmyk(52.2%, 29.2%, 0%, 30.2%)
CIE-LAB	lab(51.91, 0.86, -31.85)
CIE-LCH	lch(51.91, 31.86, 271.54°)
OKLab	oklab(58.53% -0.0242 -0.0894)
OKLCH	oklch(58.53% 0.093 254.9)
XYZ	xyz(19.2403, 20.0659, 44.9701)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EB2 #B28955

analogous

#55ADB2 #557EB2 #5B55B2

triadic

#557EB2 #B2557E #7EB255

tetradic

#557EB2 #B255AD #B28955 #55B25B

square

#557EB2 #B255AD #B28955 #55B25B

split-complementary

#557EB2 #B25B55 #ADB255

monochromatic

#2C4361 #3F608B #557EB2 #7F9EC5 #A9BED8

Accessibility & contrast

On white

4.19

#557EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#557EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EB2

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EB2	#FFFFFF	#000000	##000000
##557EB2	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B4

Deuteranopia (green-blind)

#5E78B1

Tritanopia (blue-blind)

#258A90

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557eb2;
/* rgb */ color: rgb(85, 126, 178);
/* oklch */ color: oklch(58.5% 0.093 254.9);

Tailwind

colors: {
  custom: {
    50: '#8ba3c9',
    500: '#557eb2',
    950: '#000000',
  },
}

SCSS

$custom: #557eb2;
$custom-light: #8ba3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#557eb2",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 178
  },
  "hsl": {
    "h": 213.548,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58527,
    "c": 0.09261,
    "h": 254.9
  },
  "luminance": 0.20067
}

Semantic roles & 50–950 ramp

primary

#557EB2

secondary

#C6B49D

accent

#9B5ACE

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #557EB2

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

Preview Lab → · Contrast checker → · Palette generator →