#556CDF#556CDF

#556CDF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.5% C 0.176 H 271.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#556CDF
RGB	rgb(85, 108, 223)
HSL	hsl(230, 68%, 60%)
HSV	hsv(230, 62%, 87%)
CMYK	cmyk(61.9%, 51.6%, 0%, 12.5%)
CIE-LAB	lab(49.47, 26.74, -61.43)
CIE-LCH	lch(49.47, 66.99, 293.52°)
OKLab	oklab(57.45% 0.004 -0.1761)
OKLCH	oklch(57.45% 0.176 271.3)
XYZ	xyz(22.4237, 17.9822, 72.0870)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556CDF #DFC855

analogous

#55B1DF #556CDF #8355DF

triadic

#556CDF #DF556C #6CDF55

tetradic

#556CDF #DF55B1 #DFC855 #55DF83

square

#556CDF #DF55B1 #DFC855 #55DF83

split-complementary

#556CDF #DF8355 #B1DF55

monochromatic

#1D339C #2743D0 #556CDF #8999E9 #BCC5F2

Accessibility & contrast

On white

4.57

#556CDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#556CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #556CDF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556CDF	#FFFFFF	#000000	##000000
##556CDF	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#277CE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #556cdf;
/* rgb */ color: rgb(85, 108, 223);
/* oklch */ color: oklch(57.5% 0.176 271.3);

Tailwind

colors: {
  custom: {
    50: '#9195ea',
    500: '#556cdf',
    950: '#000000',
  },
}

SCSS

$custom: #556cdf;
$custom-light: #9195ea;
$custom-dark: #000000;

JSON

{
  "hex": "#556cdf",
  "rgb": {
    "r": 85,
    "g": 108,
    "b": 223
  },
  "hsl": {
    "h": 230,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.57454,
    "c": 0.17616,
    "h": 271.3
  },
  "luminance": 0.17984
}

Semantic roles & 50–950 ramp

primary

#556CDF

secondary

#E2D9AE

accent

#B115D0

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #556CDF

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

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