#3359A8#3359A8

#3359A8 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.134 H 263.0°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3359A8
RGB	rgb(51, 89, 168)
HSL	hsl(221, 53%, 43%)
HSV	hsv(221, 70%, 66%)
CMYK	cmyk(69.6%, 47%, 0%, 34.1%)
CIE-LAB	lab(39.03, 13.67, -46.51)
CIE-LCH	lch(39.03, 48.48, 286.38°)
OKLab	oklab(47.9% -0.0164 -0.1332)
OKLCH	oklch(47.9% 0.134 263)
XYZ	xyz(12.0030, 10.6745, 38.4660)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359A8 #A88233

analogous

#3393A8 #3359A8 #4733A8

triadic

#3359A8 #A83359 #59A833

tetradic

#3359A8 #A83393 #A88233 #33A847

square

#3359A8 #A83393 #A88233 #33A847

split-complementary

#3359A8 #A84733 #93A833

monochromatic

#16274A #254079 #3359A8 #4F77C9 #7E9BD8

Accessibility & contrast

On white

6.70

#3359A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3359A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359A8

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359A8	#FFFFFF	#000000	##FFFFFF
##3359A8	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3062AB

Deuteranopia (green-blind)

#1857A6

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3359a8;
/* rgb */ color: rgb(51, 89, 168);
/* oklch */ color: oklch(47.9% 0.134 263.0);

Tailwind

colors: {
  custom: {
    50: '#7987c2',
    500: '#3359a8',
    950: '#000000',
  },
}

SCSS

$custom: #3359a8;
$custom-light: #7987c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3359a8",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 168
  },
  "hsl": {
    "h": 220.513,
    "s": 53.425,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47896,
    "c": 0.1342,
    "h": 263
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#3359A8

secondary

#C1A876

accent

#AD4BDD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3359A8

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

Preview Lab → · Contrast checker → · Palette generator →