#316FD0#316FD0

#316FD0 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.163 H 259.2°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#316FD0
RGB	rgb(49, 111, 208)
HSL	hsl(217, 63%, 50%)
HSV	hsv(217, 76%, 82%)
CMYK	cmyk(76.4%, 46.6%, 0%, 18.4%)
CIE-LAB	lab(47.72, 14.24, -55.82)
CIE-LCH	lch(47.72, 57.60, 284.31°)
OKLab	oklab(55.37% -0.0305 -0.1602)
OKLCH	oklch(55.37% 0.163 259.2)
XYZ	xyz(18.3321, 16.5738, 61.8952)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316FD0 #D09231

analogous

#31BED0 #316FD0 #4231D0

triadic

#316FD0 #D0316F #6FD031

tetradic

#316FD0 #D031BE #D09231 #31D042

square

#316FD0 #D031BE #D09231 #31D042

split-complementary

#316FD0 #D04231 #BED031

monochromatic

#193A6E #24549F #316FD0 #6392DB #95B5E7

Accessibility & contrast

On white

4.87

#316FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#316FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316FD0

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316FD0	#FFFFFF	#000000	##FFFFFF
##316FD0	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A79D4

Deuteranopia (green-blind)

#0E6ACE

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #316fd0;
/* rgb */ color: rgb(49, 111, 208);
/* oklch */ color: oklch(55.4% 0.163 259.2);

Tailwind

colors: {
  custom: {
    50: '#7f97df',
    500: '#316fd0',
    950: '#000000',
  },
}

SCSS

$custom: #316fd0;
$custom-light: #7f97df;
$custom-dark: #000000;

JSON

{
  "hex": "#316fd0",
  "rgb": {
    "r": 49,
    "g": 111,
    "b": 208
  },
  "hsl": {
    "h": 216.604,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55372,
    "c": 0.1631,
    "h": 259.2
  },
  "luminance": 0.16576
}

Semantic roles & 50–950 ramp

primary

#316FD0

secondary

#D2B68B

accent

#A642E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #316FD0

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

Preview Lab → · Contrast checker → · Palette generator →