#3359AB#3359AB

#3359AB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.138 H 263.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3359AB
RGB	rgb(51, 89, 171)
HSL	hsl(221, 54%, 44%)
HSV	hsv(221, 70%, 67%)
CMYK	cmyk(70.2%, 48%, 0%, 32.9%)
CIE-LAB	lab(39.22, 14.79, -47.98)
CIE-LCH	lch(39.22, 50.21, 287.13°)
OKLab	oklab(48.11% -0.0159 -0.1375)
OKLCH	oklch(48.11% 0.138 263.4)
XYZ	xyz(12.2857, 10.7876, 39.9549)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3359AB #AB8533

analogous

#3395AB #3359AB #4933AB

triadic

#3359AB #AB3359 #59AB33

tetradic

#3359AB #AB3395 #AB8533 #33AB49

square

#3359AB #AB3395 #AB8533 #33AB49

split-complementary

#3359AB #AB4933 #95AB33

monochromatic

#17284D #25407C #3359AB #5077CB #7F9CD9

Accessibility & contrast

On white

6.65

#3359AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3359AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3359AB

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3359AB	#FFFFFF	#000000	##FFFFFF
##3359AB	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AE

Deuteranopia (green-blind)

#1057A9

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3359ab;
/* rgb */ color: rgb(51, 89, 171);
/* oklch */ color: oklch(48.1% 0.138 263.4);

Tailwind

colors: {
  custom: {
    50: '#7987c4',
    500: '#3359ab',
    950: '#000000',
  },
}

SCSS

$custom: #3359ab;
$custom-light: #7987c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3359ab",
  "rgb": {
    "r": 51,
    "g": 89,
    "b": 171
  },
  "hsl": {
    "h": 221,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48107,
    "c": 0.13843,
    "h": 263.4
  },
  "luminance": 0.10789
}

Semantic roles & 50–950 ramp

primary

#3359AB

secondary

#C2AB78

accent

#AF4ADD

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3359AB

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

Preview Lab → · Contrast checker → · Palette generator →