#3559B2#3559B2

#3559B2 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.148 H 264.9°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3559B2
RGB	rgb(53, 89, 178)
HSL	hsl(223, 54%, 45%)
HSV	hsv(223, 70%, 70%)
CMYK	cmyk(70.2%, 50%, 0%, 30.2%)
CIE-LAB	lab(39.77, 17.70, -51.22)
CIE-LCH	lch(39.77, 54.19, 289.06°)
OKLab	oklab(48.7% -0.0132 -0.147)
OKLCH	oklch(48.7% 0.148 264.9)
XYZ	xyz(13.0736, 11.1147, 43.5672)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3559B2 #B28E35

analogous

#3597B2 #3559B2 #4F35B2

triadic

#3559B2 #B23559 #59B235

tetradic

#3559B2 #B23597 #B28E35 #35B24F

square

#3559B2 #B23597 #B28E35 #35B24F

split-complementary

#3559B2 #B24F35 #97B235

monochromatic

#192A54 #274183 #3559B2 #5779CD #869FDB

Accessibility & contrast

On white

6.52

#3559B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3559B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3559B2

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3559B2	#FFFFFF	#000000	##FFFFFF
##3559B2	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2664B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3559b2;
/* rgb */ color: rgb(53, 89, 178);
/* oklch */ color: oklch(48.7% 0.148 264.9);

Tailwind

colors: {
  custom: {
    50: '#7b87ca',
    500: '#3559b2',
    950: '#000000',
  },
}

SCSS

$custom: #3559b2;
$custom-light: #7b87ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3559b2",
  "rgb": {
    "r": 53,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 222.72,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48702,
    "c": 0.1476,
    "h": 264.9
  },
  "luminance": 0.11116
}

Semantic roles & 50–950 ramp

primary

#3559B2

secondary

#C5B07E

accent

#B34ADD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3559B2

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

Preview Lab → · Contrast checker → · Palette generator →