#557ABD#557ABD

#557ABD is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.2% C 0.112 H 261.6°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#557ABD
RGB	rgb(85, 122, 189)
HSL	hsl(219, 44%, 54%)
HSV	hsv(219, 55%, 74%)
CMYK	cmyk(55%, 35.4%, 0%, 25.9%)
CIE-LAB	lab(51.29, 6.78, -39.15)
CIE-LCH	lch(51.29, 39.73, 279.83°)
OKLab	oklab(58.22% -0.0164 -0.1106)
OKLCH	oklch(58.22% 0.112 261.6)
XYZ	xyz(19.8880, 19.5229, 50.8545)
Luminance	0.1952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557ABD #BD9855

analogous

#55AEBD #557ABD #6455BD

triadic

#557ABD #BD557A #7ABD55

tetradic

#557ABD #BD55AE #BD9855 #55BD64

square

#557ABD #BD55AE #BD9855 #55BD64

split-complementary

#557ABD #BD6455 #AEBD55

monochromatic

#2A426D #3C5D99 #557ABD #819CCE #ADBFDF

Accessibility & contrast

On white

4.28

#557ABD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#557ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ABD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557ABD	#FFFFFF	#000000	##000000
##557ABD	1.00	4.28	4.90	4.90
#FFFFFF	4.28	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)

#5F7FC0

Deuteranopia (green-blind)

#5276BC

Tritanopia (blue-blind)

#168993

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557abd;
/* rgb */ color: rgb(85, 122, 189);
/* oklch */ color: oklch(58.2% 0.112 261.6);

Tailwind

colors: {
  custom: {
    50: '#8ca0d1',
    500: '#557abd',
    950: '#000000',
  },
}

SCSS

$custom: #557abd;
$custom-light: #8ca0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#557abd",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 189
  },
  "hsl": {
    "h": 218.654,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58216,
    "c": 0.11183,
    "h": 261.6
  },
  "luminance": 0.19524
}

Semantic roles & 50–950 ramp

primary

#557ABD

secondary

#CDBDA1

accent

#A654D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #557ABD

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

Preview Lab → · Contrast checker → · Palette generator →