#556DB2#556DB2

#556DB2 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.8% C 0.112 H 268.1°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#556DB2
RGB	rgb(85, 109, 178)
HSL	hsl(225, 38%, 52%)
HSV	hsv(225, 52%, 70%)
CMYK	cmyk(52.2%, 38.8%, 0%, 30.2%)
CIE-LAB	lab(47.08, 11.17, -39.44)
CIE-LCH	lch(47.08, 41.00, 285.82°)
OKLab	oklab(54.77% -0.0037 -0.1116)
OKLCH	oklch(54.77% 0.112 268.1)
XYZ	xyz(17.2482, 16.0817, 44.3060)
Luminance	0.1608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556DB2 #B29A55

analogous

#559CB2 #556DB2 #6C55B2

triadic

#556DB2 #B2556D #6DB255

tetradic

#556DB2 #B2559C #B29A55 #55B26C

square

#556DB2 #B2559C #B29A55 #55B26C

split-complementary

#556DB2 #B26C55 #9CB255

monochromatic

#2C3961 #3F538B #556DB2 #7F91C5 #A9B5D8

Accessibility & contrast

On white

4.98

#556DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#556DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556DB2

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556DB2	#FFFFFF	#000000	##FFFFFF
##556DB2	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B5

Deuteranopia (green-blind)

#476CB0

Tritanopia (blue-blind)

#2A7C87

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #556db2;
/* rgb */ color: rgb(85, 109, 178);
/* oklch */ color: oklch(54.8% 0.112 268.1);

Tailwind

colors: {
  custom: {
    50: '#8b96c9',
    500: '#556db2',
    950: '#000000',
  },
}

SCSS

$custom: #556db2;
$custom-light: #8b96c9;
$custom-dark: #000000;

JSON

{
  "hex": "#556db2",
  "rgb": {
    "r": 85,
    "g": 109,
    "b": 178
  },
  "hsl": {
    "h": 224.516,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54771,
    "c": 0.11164,
    "h": 268.1
  },
  "luminance": 0.16083
}

Semantic roles & 50–950 ramp

primary

#556DB2

secondary

#C6BB9D

accent

#B05ACE

background

#F8F9FC

surface

#F0F1F8

border

#CBCBD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #556DB2

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

Preview Lab → · Contrast checker → · Palette generator →