#316DC9#316DC9

#316DC9 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.5% C 0.156 H 258.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#316DC9
RGB	rgb(49, 109, 201)
HSL	hsl(216, 61%, 49%)
HSV	hsv(216, 76%, 79%)
CMYK	cmyk(75.6%, 45.8%, 0%, 21.2%)
CIE-LAB	lab(46.72, 12.88, -53.42)
CIE-LCH	lch(46.72, 54.95, 283.56°)
OKLab	oklab(54.46% -0.03 -0.1532)
OKLCH	oklch(54.46% 0.156 258.9)
XYZ	xyz(17.2740, 15.8053, 57.3873)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DC9 #C98D31

analogous

#31B9C9 #316DC9 #4131C9

triadic

#316DC9 #C9316D #6DC931

tetradic

#316DC9 #C931B9 #C98D31 #31C941

square

#316DC9 #C931B9 #C98D31 #31C941

split-complementary

#316DC9 #C94131 #B9C931

monochromatic

#193867 #255298 #316DC9 #5F8FD8 #90B1E4

Accessibility & contrast

On white

5.05

#316DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#316DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DC9

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DC9	#FFFFFF	#000000	##FFFFFF
##316DC9	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D76CC

Deuteranopia (green-blind)

#1968C7

Tritanopia (blue-blind)

#008391

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #316dc9;
/* rgb */ color: rgb(49, 109, 201);
/* oklch */ color: oklch(54.5% 0.156 258.9);

Tailwind

colors: {
  custom: {
    50: '#7e96da',
    500: '#316dc9',
    950: '#000000',
  },
}

SCSS

$custom: #316dc9;
$custom-light: #7e96da;
$custom-dark: #000000;

JSON

{
  "hex": "#316dc9",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 201
  },
  "hsl": {
    "h": 216.316,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54461,
    "c": 0.15612,
    "h": 258.9
  },
  "luminance": 0.15807
}

Semantic roles & 50–950 ramp

primary

#316DC9

secondary

#CFB287

accent

#A544E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #316DC9

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

Preview Lab → · Contrast checker → · Palette generator →