#3159B2#3159B2

#3159B2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.149 H 263.6°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3159B2
RGB	rgb(49, 89, 178)
HSL	hsl(221, 57%, 45%)
HSV	hsv(221, 72%, 70%)
CMYK	cmyk(72.5%, 50%, 0%, 30.2%)
CIE-LAB	lab(39.60, 17.12, -51.51)
CIE-LCH	lch(39.60, 54.28, 288.38°)
OKLab	oklab(48.52% -0.0166 -0.1479)
OKLCH	oklch(48.52% 0.149 263.6)
XYZ	xyz(12.8720, 11.0107, 43.5577)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159B2 #B28A31

analogous

#319AB2 #3159B2 #4931B2

triadic

#3159B2 #B23159 #59B231

tetradic

#3159B2 #B2319A #B28A31 #31B249

square

#3159B2 #B2319A #B28A31 #31B249

split-complementary

#3159B2 #B24931 #9AB231

monochromatic

#172952 #244182 #3159B2 #5178CF #819DDC

Accessibility & contrast

On white

6.56

#3159B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3159B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159B2

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159B2	#FFFFFF	#000000	##FFFFFF
##3159B2	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2564B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3159b2;
/* rgb */ color: rgb(49, 89, 178);
/* oklch */ color: oklch(48.5% 0.149 263.6);

Tailwind

colors: {
  custom: {
    50: '#7a87ca',
    500: '#3159b2',
    950: '#000000',
  },
}

SCSS

$custom: #3159b2;
$custom-light: #7a87ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3159b2",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 178
  },
  "hsl": {
    "h": 221.395,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48521,
    "c": 0.14887,
    "h": 263.6
  },
  "luminance": 0.11012
}

Semantic roles & 50–950 ramp

primary

#3159B2

secondary

#C5AE79

accent

#B148E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3159B2

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

Preview Lab → · Contrast checker → · Palette generator →