#3556C0#3556C0

#3556C0 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.171 H 266.8°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3556C0
RGB	rgb(53, 86, 192)
HSL	hsl(226, 57%, 48%)
HSV	hsv(226, 72%, 75%)
CMYK	cmyk(72.4%, 55.2%, 0%, 24.7%)
CIE-LAB	lab(39.94, 24.84, -59.14)
CIE-LCH	lch(39.94, 64.15, 292.78°)
OKLab	oklab(49.14% -0.0094 -0.1704)
OKLCH	oklch(49.14% 0.171 266.8)
XYZ	xyz(14.3071, 11.2167, 51.2700)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3556C0 #C09F35

analogous

#359CC0 #3556C0 #5935C0

triadic

#3556C0 #C03556 #56C035

tetradic

#3556C0 #C0359C #C09F35 #35C059

square

#3556C0 #C0359C #C09F35 #35C059

split-complementary

#3556C0 #C05935 #9CC035

monochromatic

#1B2B60 #284190 #3556C0 #5F7BD3 #8FA2E0

Accessibility & contrast

On white

6.47

#3556C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3556C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3556C0

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3556C0	#FFFFFF	#000000	##FFFFFF
##3556C0	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C4

Deuteranopia (green-blind)

#0058BE

Tritanopia (blue-blind)

#007082

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3556c0;
/* rgb */ color: rgb(53, 86, 192);
/* oklch */ color: oklch(49.1% 0.171 266.8);

Tailwind

colors: {
  custom: {
    50: '#7f85d4',
    500: '#3556c0',
    950: '#000000',
  },
}

SCSS

$custom: #3556c0;
$custom-light: #7f85d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3556c0",
  "rgb": {
    "r": 53,
    "g": 86,
    "b": 192
  },
  "hsl": {
    "h": 225.755,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49144,
    "c": 0.17064,
    "h": 266.8
  },
  "luminance": 0.11218
}

Semantic roles & 50–950 ramp

primary

#3556C0

secondary

#CBBA86

accent

#BC48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3556C0

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

Preview Lab → · Contrast checker → · Palette generator →