#3561B4#3561B4

#3561B4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.6% C 0.141 H 261.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3561B4
RGB	rgb(53, 97, 180)
HSL	hsl(219, 55%, 46%)
HSV	hsv(219, 71%, 71%)
CMYK	cmyk(70.6%, 46.1%, 0%, 29.4%)
CIE-LAB	lab(42.15, 13.26, -48.56)
CIE-LCH	lch(42.15, 50.34, 285.27°)
OKLab	oklab(50.57% -0.0202 -0.1391)
OKLCH	oklch(50.57% 0.141 261.7)
XYZ	xyz(13.9782, 12.6001, 44.8666)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3561B4 #B48835

analogous

#35A0B4 #3561B4 #4935B4

triadic

#3561B4 #B43561 #61B435

tetradic

#3561B4 #B435A0 #B48835 #35B449

square

#3561B4 #B435A0 #B48835 #35B449

split-complementary

#3561B4 #B44935 #A0B435

monochromatic

#192E55 #274885 #3561B4 #5881CE #88A5DC

Accessibility & contrast

On white

5.97

#3561B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3561B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3561B4

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3561B4	#FFFFFF	#000000	##FFFFFF
##3561B4	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376AB7

Deuteranopia (green-blind)

#1C5EB2

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3561b4;
/* rgb */ color: rgb(53, 97, 180);
/* oklch */ color: oklch(50.6% 0.141 261.7);

Tailwind

colors: {
  custom: {
    50: '#7c8dcb',
    500: '#3561b4',
    950: '#000000',
  },
}

SCSS

$custom: #3561b4;
$custom-light: #7c8dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3561b4",
  "rgb": {
    "r": 53,
    "g": 97,
    "b": 180
  },
  "hsl": {
    "h": 219.213,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50566,
    "c": 0.14053,
    "h": 261.7
  },
  "luminance": 0.12602
}

Semantic roles & 50–950 ramp

primary

#3561B4

secondary

#C6AD7F

accent

#AB4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3561B4

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

Preview Lab → · Contrast checker → · Palette generator →