#3159BE#3159BE

#3159BE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.165 H 264.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3159BE
RGB	rgb(49, 89, 190)
HSL	hsl(223, 59%, 47%)
HSV	hsv(223, 74%, 75%)
CMYK	cmyk(74.2%, 53.2%, 0%, 25.5%)
CIE-LAB	lab(40.43, 21.63, -57.19)
CIE-LCH	lch(40.43, 61.14, 290.72°)
OKLab	oklab(49.42% -0.0153 -0.1647)
OKLCH	oklch(49.42% 0.165 264.7)
XYZ	xyz(14.1300, 11.5139, 50.1829)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159BE #BE9631

analogous

#31A0BE #3159BE #5031BE

triadic

#3159BE #BE3159 #59BE31

tetradic

#3159BE #BE31A0 #BE9631 #31BE50

square

#3159BE #BE31A0 #BE9631 #31BE50

split-complementary

#3159BE #BE5031 #A0BE31

monochromatic

#182B5D #24428D #3159BE #587BD4 #89A2E1

Accessibility & contrast

On white

6.36

#3159BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3159BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159BE

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159BE	#FFFFFF	#000000	##FFFFFF
##3159BE	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E66C2

Deuteranopia (green-blind)

#0059BC

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3159be;
/* rgb */ color: rgb(49, 89, 190);
/* oklch */ color: oklch(49.4% 0.165 264.7);

Tailwind

colors: {
  custom: {
    50: '#7c87d2',
    500: '#3159be',
    950: '#000000',
  },
}

SCSS

$custom: #3159be;
$custom-light: #7c87d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3159be",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 190
  },
  "hsl": {
    "h": 222.979,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49421,
    "c": 0.16537,
    "h": 264.7
  },
  "luminance": 0.11515
}

Semantic roles & 50–950 ramp

primary

#3159BE

secondary

#CAB580

accent

#B646E2

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3159BE

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

Preview Lab → · Contrast checker → · Palette generator →