#3156B7#3156B7

#3156B7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.160 H 265.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3156B7
RGB	rgb(49, 86, 183)
HSL	hsl(223, 58%, 45%)
HSV	hsv(223, 73%, 72%)
CMYK	cmyk(73.2%, 53%, 0%, 28.2%)
CIE-LAB	lab(39.12, 20.96, -55.23)
CIE-LCH	lch(39.12, 59.07, 290.79°)
OKLab	oklab(48.26% -0.0135 -0.1589)
OKLCH	oklch(48.26% 0.16 265.1)
XYZ	xyz(13.1386, 10.7260, 46.1685)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3156B7 #B79231

analogous

#3199B7 #3156B7 #4F31B7

triadic

#3156B7 #B73156 #56B731

tetradic

#3156B7 #B73199 #B79231 #31B74F

square

#3156B7 #B73199 #B79231 #31B74F

split-complementary

#3156B7 #B74F31 #99B731

monochromatic

#172956 #243F87 #3156B7 #5477D1 #849DDE

Accessibility & contrast

On white

6.68

#3156B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3156B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3156B7

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3156B7	#FFFFFF	#000000	##FFFFFF
##3156B7	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1163BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3156b7;
/* rgb */ color: rgb(49, 86, 183);
/* oklch */ color: oklch(48.3% 0.160 265.1);

Tailwind

colors: {
  custom: {
    50: '#7b85cd',
    500: '#3156b7',
    950: '#000000',
  },
}

SCSS

$custom: #3156b7;
$custom-light: #7b85cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3156b7",
  "rgb": {
    "r": 49,
    "g": 86,
    "b": 183
  },
  "hsl": {
    "h": 223.433,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48264,
    "c": 0.15951,
    "h": 265.1
  },
  "luminance": 0.10727
}

Semantic roles & 50–950 ramp

primary

#3156B7

secondary

#C8B37C

accent

#B647E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3156B7

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

Preview Lab → · Contrast checker → · Palette generator →