#3159BD#3159BD

#3159BD is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.164 H 264.6°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#3159BD
RGB	rgb(49, 89, 189)
HSL	hsl(223, 59%, 47%)
HSV	hsv(223, 74%, 74%)
CMYK	cmyk(74.1%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(40.36, 21.25, -56.72)
CIE-LCH	lch(40.36, 60.57, 290.54°)
OKLab	oklab(49.34% -0.0153 -0.1633)
OKLCH	oklch(49.34% 0.164 264.6)
XYZ	xyz(14.0211, 11.4703, 49.6093)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159BD #BD9531

analogous

#319FBD #3159BD #4F31BD

triadic

#3159BD #BD3159 #59BD31

tetradic

#3159BD #BD319F #BD9531 #31BD4F

square

#3159BD #BD319F #BD9531 #31BD4F

split-complementary

#3159BD #BD4F31 #9FBD31

monochromatic

#182B5C #24428C #3159BD #587BD4 #88A1E0

Accessibility & contrast

On white

6.37

#3159BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3159BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159BD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159BD	#FFFFFF	#000000	##FFFFFF
##3159BD	1.00	6.37	3.29	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1166C1

Deuteranopia (green-blind)

#0059BB

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3159bd;
/* rgb */ color: rgb(49, 89, 189);
/* oklch */ color: oklch(49.3% 0.164 264.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3159bd",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 222.857,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49344,
    "c": 0.164,
    "h": 264.6
  },
  "luminance": 0.11472
}

Semantic roles & 50–950 ramp

primary

#3159BD

secondary

#CAB580

accent

#B546E2

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3159BD

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

Preview Lab → · Contrast checker → · Palette generator →