#3359AD#3359AD

#3359AD is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.141 H 263.7°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3359AD
RGB	rgb(51, 89, 173)
HSL	hsl(221, 54%, 44%)
HSV	hsv(221, 71%, 68%)
CMYK	cmyk(70.5%, 48.6%, 0%, 32.2%)
CIE-LAB	lab(39.35, 15.54, -48.95)
CIE-LCH	lch(39.35, 51.36, 287.61°)
OKLab	oklab(48.25% -0.0156 -0.1404)
OKLCH	oklch(48.25% 0.141 263.7)
XYZ	xyz(12.4778, 10.8644, 40.9665)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359AD #AD8733

analogous

#3396AD #3359AD #4A33AD

triadic

#3359AD #AD3359 #59AD33

tetradic

#3359AD #AD3396 #AD8733 #33AD4A

square

#3359AD #AD3396 #AD8733 #33AD4A

split-complementary

#3359AD #AD4A33 #96AD33

monochromatic

#17284E #25417E #3359AD #5178CC #819CDA

Accessibility & contrast

On white

6.62

#3359AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3359AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359AD

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359AD	#FFFFFF	#000000	##FFFFFF
##3359AD	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B63B0

Deuteranopia (green-blind)

#0957AB

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3359ad;
/* rgb */ color: rgb(51, 89, 173);
/* oklch */ color: oklch(48.2% 0.141 263.7);

Tailwind

colors: {
  custom: {
    50: '#7a87c6',
    500: '#3359ad',
    950: '#000000',
  },
}

SCSS

$custom: #3359ad;
$custom-light: #7a87c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3359ad",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 173
  },
  "hsl": {
    "h": 221.311,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48249,
    "c": 0.14124,
    "h": 263.7
  },
  "luminance": 0.10866
}

Semantic roles & 50–950 ramp

primary

#3359AD

secondary

#C3AC79

accent

#B04ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3359AD

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

Preview Lab → · Contrast checker → · Palette generator →