#3359AC#3359AC

#3359AC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.140 H 263.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3359AC
RGB	rgb(51, 89, 172)
HSL	hsl(221, 54%, 44%)
HSV	hsv(221, 70%, 67%)
CMYK	cmyk(70.3%, 48.3%, 0%, 32.5%)
CIE-LAB	lab(39.29, 15.16, -48.47)
CIE-LCH	lch(39.29, 50.78, 287.37°)
OKLab	oklab(48.18% -0.0157 -0.1389)
OKLCH	oklch(48.18% 0.14 263.5)
XYZ	xyz(12.3814, 10.8259, 40.4588)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359AC #AC8633

analogous

#3395AC #3359AC #4933AC

triadic

#3359AC #AC3359 #59AC33

tetradic

#3359AC #AC3395 #AC8633 #33AC49

square

#3359AC #AC3395 #AC8633 #33AC49

split-complementary

#3359AC #AC4933 #95AC33

monochromatic

#17284E #25417D #3359AC #5177CB #809CD9

Accessibility & contrast

On white

6.63

#3359AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3359AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359AC

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359AC	#FFFFFF	#000000	##FFFFFF
##3359AC	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AF

Deuteranopia (green-blind)

#0D57AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3359ac;
/* rgb */ color: rgb(51, 89, 172);
/* oklch */ color: oklch(48.2% 0.140 263.5);

Tailwind

colors: {
  custom: {
    50: '#7987c5',
    500: '#3359ac',
    950: '#000000',
  },
}

SCSS

$custom: #3359ac;
$custom-light: #7987c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3359ac",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 172
  },
  "hsl": {
    "h": 221.157,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48178,
    "c": 0.13984,
    "h": 263.5
  },
  "luminance": 0.10827
}

Semantic roles & 50–950 ramp

primary

#3359AC

secondary

#C2AB78

accent

#AF4ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3359AC

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

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