#3359B8#3359B8

#3359B8 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.157 H 264.8°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3359B8
RGB	rgb(51, 89, 184)
HSL	hsl(223, 57%, 46%)
HSV	hsv(223, 72%, 72%)
CMYK	cmyk(72.3%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(40.09, 19.65, -54.23)
CIE-LCH	lch(40.09, 57.68, 289.92°)
OKLab	oklab(49.05% -0.0142 -0.1559)
OKLCH	oklch(49.05% 0.157 264.8)
XYZ	xyz(13.5863, 11.3078, 46.8047)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359B8 #B89233

analogous

#339BB8 #3359B8 #4F33B8

triadic

#3359B8 #B83359 #59B833

tetradic

#3359B8 #B8339B #B89233 #33B84F

square

#3359B8 #B8339B #B89233 #33B84F

split-complementary

#3359B8 #B84F33 #9BB833

monochromatic

#182B58 #264288 #3359B8 #587AD1 #88A0DE

Accessibility & contrast

On white

6.44

#3359B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3359B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359B8

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359B8	#FFFFFF	#000000	##FFFFFF
##3359B8	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D65BB

Deuteranopia (green-blind)

#0059B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3359b8;
/* rgb */ color: rgb(51, 89, 184);
/* oklch */ color: oklch(49.1% 0.157 264.8);

Tailwind

colors: {
  custom: {
    50: '#7c87ce',
    500: '#3359b8',
    950: '#000000',
  },
}

SCSS

$custom: #3359b8;
$custom-light: #7c87ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3359b8",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 222.857,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49053,
    "c": 0.15656,
    "h": 264.8
  },
  "luminance": 0.11309
}

Semantic roles & 50–950 ramp

primary

#3359B8

secondary

#C8B37F

accent

#B448E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3359B8

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

Preview Lab → · Contrast checker → · Palette generator →