#3359B7#3359B7

#3359B7 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.155 H 264.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3359B7
RGB	rgb(51, 89, 183)
HSL	hsl(223, 56%, 46%)
HSV	hsv(223, 72%, 72%)
CMYK	cmyk(72.1%, 51.4%, 0%, 28.2%)
CIE-LAB	lab(40.02, 19.27, -53.75)
CIE-LCH	lch(40.02, 57.10, 289.73°)
OKLab	oklab(48.98% -0.0143 -0.1545)
OKLCH	oklch(48.98% 0.155 264.7)
XYZ	xyz(13.4819, 11.2660, 46.2546)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359B7 #B79133

analogous

#339BB7 #3359B7 #4F33B7

triadic

#3359B7 #B73359 #59B733

tetradic

#3359B7 #B7339B #B79133 #33B74F

square

#3359B7 #B7339B #B79133 #33B74F

split-complementary

#3359B7 #B74F33 #9BB733

monochromatic

#182A57 #264287 #3359B7 #577AD0 #87A0DE

Accessibility & contrast

On white

6.45

#3359B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3359B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359B7

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359B7	#FFFFFF	#000000	##FFFFFF
##3359B7	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E65BA

Deuteranopia (green-blind)

#0059B5

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3359b7;
/* rgb */ color: rgb(51, 89, 183);
/* oklch */ color: oklch(49.0% 0.155 264.7);

Tailwind

colors: {
  custom: {
    50: '#7c87cd',
    500: '#3359b7',
    950: '#000000',
  },
}

SCSS

$custom: #3359b7;
$custom-light: #7c87cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3359b7",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 183
  },
  "hsl": {
    "h": 222.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48978,
    "c": 0.15517,
    "h": 264.7
  },
  "luminance": 0.11267
}

Semantic roles & 50–950 ramp

primary

#3359B7

secondary

#C7B27F

accent

#B448E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3359B7

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

Preview Lab → · Contrast checker → · Palette generator →