#316DC3#316DC3

#316DC3 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.1% C 0.148 H 257.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#316DC3
RGB	rgb(49, 109, 195)
HSL	hsl(215, 60%, 48%)
HSV	hsv(215, 75%, 76%)
CMYK	cmyk(74.9%, 44.1%, 0%, 23.5%)
CIE-LAB	lab(46.35, 10.64, -50.56)
CIE-LCH	lch(46.35, 51.67, 281.88°)
OKLab	oklab(54.06% -0.0311 -0.1448)
OKLCH	oklch(54.06% 0.148 257.9)
XYZ	xyz(16.5820, 15.5285, 53.7426)
Luminance	0.1553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DC3 #C38731

analogous

#31B6C3 #316DC3 #3E31C3

triadic

#316DC3 #C3316D #6DC331

tetradic

#316DC3 #C331B6 #C38731 #31C33E

square

#316DC3 #C331B6 #C38731 #31C33E

split-complementary

#316DC3 #C33E31 #B6C331

monochromatic

#183661 #255292 #316DC3 #5B8ED6 #8CB0E2

Accessibility & contrast

On white

5.11

#316DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#316DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DC3

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DC3	#FFFFFF	#000000	##FFFFFF
##316DC3	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4275C6

Deuteranopia (green-blind)

#2568C1

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #316dc3;
/* rgb */ color: rgb(49, 109, 195);
/* oklch */ color: oklch(54.1% 0.148 257.9);

Tailwind

colors: {
  custom: {
    50: '#7d96d6',
    500: '#316dc3',
    950: '#000000',
  },
}

SCSS

$custom: #316dc3;
$custom-light: #7d96d6;
$custom-dark: #000000;

JSON

{
  "hex": "#316dc3",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 195
  },
  "hsl": {
    "h": 215.342,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54058,
    "c": 0.1481,
    "h": 257.9
  },
  "luminance": 0.1553
}

Semantic roles & 50–950 ramp

primary

#316DC3

secondary

#CCAE83

accent

#A245E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316DC3

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

Preview Lab → · Contrast checker → · Palette generator →