#3159AD#3159AD

#3159AD is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.142 H 263.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3159AD
RGB	rgb(49, 89, 173)
HSL	hsl(221, 56%, 44%)
HSV	hsv(221, 72%, 68%)
CMYK	cmyk(71.7%, 48.6%, 0%, 32.2%)
CIE-LAB	lab(39.26, 15.24, -49.09)
CIE-LCH	lch(39.26, 51.40, 287.24°)
OKLab	oklab(48.16% -0.0173 -0.1408)
OKLCH	oklch(48.16% 0.142 263)
XYZ	xyz(12.3791, 10.8136, 40.9619)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159AD #AD8531

analogous

#3197AD #3159AD #4731AD

triadic

#3159AD #AD3159 #59AD31

tetradic

#3159AD #AD3197 #AD8531 #31AD47

square

#3159AD #AD3197 #AD8531 #31AD47

split-complementary

#3159AD #AD4731 #97AD31

monochromatic

#16284E #23407D #3159AD #4E77CD #7E9CDA

Accessibility & contrast

On white

6.64

#3159AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3159AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159AD

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159AD	#FFFFFF	#000000	##FFFFFF
##3159AD	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B63B0

Deuteranopia (green-blind)

#0757AB

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3159ad;
/* rgb */ color: rgb(49, 89, 173);
/* oklch */ color: oklch(48.2% 0.142 263.0);

Tailwind

colors: {
  custom: {
    50: '#7987c6',
    500: '#3159ad',
    950: '#000000',
  },
}

SCSS

$custom: #3159ad;
$custom-light: #7987c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3159ad",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 173
  },
  "hsl": {
    "h": 220.645,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48159,
    "c": 0.14189,
    "h": 263
  },
  "luminance": 0.10815
}

Semantic roles & 50–950 ramp

primary

#3159AD

secondary

#C3AB77

accent

#AF49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3159AD

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

Preview Lab → · Contrast checker → · Palette generator →