#556CDA#556CDA

#556CDA is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.1% C 0.169 H 271.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#556CDA
RGB	rgb(85, 108, 218)
HSL	hsl(230, 64%, 59%)
HSV	hsv(230, 61%, 85%)
CMYK	cmyk(61%, 50.5%, 0%, 14.5%)
CIE-LAB	lab(49.15, 25.05, -59.12)
CIE-LCH	lch(49.15, 64.21, 292.96°)
OKLab	oklab(57.11% 0.0036 -0.1693)
OKLCH	oklch(57.11% 0.169 271.2)
XYZ	xyz(21.7595, 17.7166, 68.5890)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CDA #DAC355

analogous

#55AFDA #556CDA #8155DA

triadic

#556CDA #DA556C #6CDA55

tetradic

#556CDA #DA55AF #DAC355 #55DA81

square

#556CDA #DA55AF #DAC355 #55DA81

split-complementary

#556CDA #DA8155 #AFDA55

monochromatic

#203494 #2B46C7 #556CDA #8797E5 #BAC3F0

Accessibility & contrast

On white

4.62

#556CDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#556CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #556CDA

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CDA	#FFFFFF	#000000	##FFFFFF
##556CDA	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7BDE

Deuteranopia (green-blind)

#096FD8

Tritanopia (blue-blind)

#008599

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #556cda;
/* rgb */ color: rgb(85, 108, 218);
/* oklch */ color: oklch(57.1% 0.169 271.2);

Tailwind

colors: {
  custom: {
    50: '#9195e6',
    500: '#556cda',
    950: '#000000',
  },
}

SCSS

$custom: #556cda;
$custom-light: #9195e6;
$custom-dark: #000000;

JSON

{
  "hex": "#556cda",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 218
  },
  "hsl": {
    "h": 229.624,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.57106,
    "c": 0.16936,
    "h": 271.2
  },
  "luminance": 0.17718
}

Semantic roles & 50–950 ramp

primary

#556CDA

secondary

#DFD6AB

accent

#CA41E7

background

#F9F9FE

surface

#F2F1FC

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CDA

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

Preview Lab → · Contrast checker → · Palette generator →