#316AC5#316AC5

#316AC5 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.5% C 0.154 H 259.5°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#316AC5
RGB	rgb(49, 106, 197)
HSL	hsl(217, 60%, 48%)
HSV	hsv(217, 75%, 77%)
CMYK	cmyk(75.1%, 46.2%, 0%, 22.7%)
CIE-LAB	lab(45.62, 13.29, -52.88)
CIE-LCH	lch(45.62, 54.52, 284.11°)
OKLab	oklab(53.54% -0.0282 -0.1517)
OKLCH	oklch(53.54% 0.154 259.5)
XYZ	xyz(16.4950, 14.9904, 54.8366)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316AC5 #C58C31

analogous

#31B4C5 #316AC5 #4231C5

triadic

#316AC5 #C5316A #6AC531

tetradic

#316AC5 #C531B4 #C58C31 #31C542

square

#316AC5 #C531B4 #C58C31 #31C542

split-complementary

#316AC5 #C54231 #B4C531

monochromatic

#193563 #255094 #316AC5 #5D8CD7 #8EAEE3

Accessibility & contrast

On white

5.25

#316AC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#316AC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316AC5

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316AC5	#FFFFFF	#000000	##FFFFFF
##316AC5	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A73C8

Deuteranopia (green-blind)

#1666C3

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #316ac5;
/* rgb */ color: rgb(49, 106, 197);
/* oklch */ color: oklch(53.5% 0.154 259.5);

Tailwind

colors: {
  custom: {
    50: '#7d94d7',
    500: '#316ac5',
    950: '#000000',
  },
}

SCSS

$custom: #316ac5;
$custom-light: #7d94d7;
$custom-dark: #000000;

JSON

{
  "hex": "#316ac5",
  "rgb": {
    "r": 49,
    "g": 106,
    "b": 197
  },
  "hsl": {
    "h": 216.892,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53535,
    "c": 0.15427,
    "h": 259.5
  },
  "luminance": 0.14992
}

Semantic roles & 50–950 ramp

primary

#316AC5

secondary

#CDB185

accent

#A644E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316AC5

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

Preview Lab → · Contrast checker → · Palette generator →