#3156B8#3156B8

#3156B8 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.161 H 265.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3156B8
RGB	rgb(49, 86, 184)
HSL	hsl(224, 58%, 46%)
HSV	hsv(224, 73%, 72%)
CMYK	cmyk(73.4%, 53.3%, 0%, 27.8%)
CIE-LAB	lab(39.19, 21.34, -55.70)
CIE-LCH	lch(39.19, 59.65, 290.96°)
OKLab	oklab(48.34% -0.0134 -0.1603)
OKLCH	oklch(48.34% 0.161 265.2)
XYZ	xyz(13.2431, 10.7678, 46.7186)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3156B8 #B89331

analogous

#3199B8 #3156B8 #5031B8

triadic

#3156B8 #B83156 #56B831

tetradic

#3156B8 #B83199 #B89331 #31B850

square

#3156B8 #B83199 #B89331 #31B850

split-complementary

#3156B8 #B85031 #99B831

monochromatic

#172957 #243F88 #3156B8 #5577D2 #859DDE

Accessibility & contrast

On white

6.66

#3156B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3156B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3156B8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3156B8	#FFFFFF	#000000	##FFFFFF
##3156B8	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E63BB

Deuteranopia (green-blind)

#0056B6

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3156b8;
/* rgb */ color: rgb(49, 86, 184);
/* oklch */ color: oklch(48.3% 0.161 265.2);

Tailwind

colors: {
  custom: {
    50: '#7b85ce',
    500: '#3156b8',
    950: '#000000',
  },
}

SCSS

$custom: #3156b8;
$custom-light: #7b85ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3156b8",
  "rgb": {
    "r": 49,
    "g": 86,
    "b": 184
  },
  "hsl": {
    "h": 223.556,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48341,
    "c": 0.16088,
    "h": 265.2
  },
  "luminance": 0.10769
}

Semantic roles & 50–950 ramp

primary

#3156B8

secondary

#C8B37D

accent

#B747E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3156B8

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

Preview Lab → · Contrast checker → · Palette generator →