#3156B2#3156B2

#3156B2 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.153 H 264.7°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3156B2
RGB	rgb(49, 86, 178)
HSL	hsl(223, 57%, 45%)
HSV	hsv(223, 72%, 70%)
CMYK	cmyk(72.5%, 51.7%, 0%, 30.2%)
CIE-LAB	lab(38.76, 19.08, -52.86)
CIE-LCH	lch(38.76, 56.20, 289.85°)
OKLab	oklab(47.88% -0.014 -0.152)
OKLCH	oklch(47.88% 0.153 264.7)
XYZ	xyz(12.6275, 10.5216, 43.4762)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3156B2 #B28D31

analogous

#3196B2 #3156B2 #4D31B2

triadic

#3156B2 #B23156 #56B231

tetradic

#3156B2 #B23196 #B28D31 #31B24D

square

#3156B2 #B23196 #B28D31 #31B24D

split-complementary

#3156B2 #B24D31 #96B231

monochromatic

#172852 #243F82 #3156B2 #5175CF #819BDC

Accessibility & contrast

On white

6.76

#3156B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3156B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3156B2

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3156B2	#FFFFFF	#000000	##FFFFFF
##3156B2	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C62B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3156b2;
/* rgb */ color: rgb(49, 86, 178);
/* oklch */ color: oklch(47.9% 0.153 264.7);

Tailwind

colors: {
  custom: {
    50: '#7a85ca',
    500: '#3156b2',
    950: '#000000',
  },
}

SCSS

$custom: #3156b2;
$custom-light: #7a85ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3156b2",
  "rgb": {
    "r": 49,
    "g": 86,
    "b": 178
  },
  "hsl": {
    "h": 222.791,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47884,
    "c": 0.1526,
    "h": 264.7
  },
  "luminance": 0.10523
}

Semantic roles & 50–950 ramp

primary

#3156B2

secondary

#C5B079

accent

#B448E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3156B2

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

Preview Lab → · Contrast checker → · Palette generator →