#316BC4#316BC4

#316BC4 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.152 H 258.9°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#316BC4
RGB	rgb(49, 107, 196)
HSL	hsl(216, 60%, 48%)
HSV	hsv(216, 75%, 77%)
CMYK	cmyk(75%, 45.4%, 0%, 23.1%)
CIE-LAB	lab(45.84, 12.28, -51.95)
CIE-LCH	lch(45.84, 53.38, 283.30°)
OKLab	oklab(53.69% -0.0292 -0.1489)
OKLCH	oklch(53.69% 0.152 258.9)
XYZ	xyz(16.4845, 15.1520, 54.2697)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316BC4 #C48A31

analogous

#31B4C4 #316BC4 #4131C4

triadic

#316BC4 #C4316B #6BC431

tetradic

#316BC4 #C431B4 #C48A31 #31C441

square

#316BC4 #C431B4 #C48A31 #31C441

split-complementary

#316BC4 #C44131 #B4C431

monochromatic

#193662 #255093 #316BC4 #5C8CD6 #8DAFE2

Accessibility & contrast

On white

5.21

#316BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#316BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316BC4

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316BC4	#FFFFFF	#000000	##FFFFFF
##316BC4	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D74C7

Deuteranopia (green-blind)

#1D66C2

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #316bc4;
/* rgb */ color: rgb(49, 107, 196);
/* oklch */ color: oklch(53.7% 0.152 258.9);

Tailwind

colors: {
  custom: {
    50: '#7d94d6',
    500: '#316bc4',
    950: '#000000',
  },
}

SCSS

$custom: #316bc4;
$custom-light: #7d94d6;
$custom-dark: #000000;

JSON

{
  "hex": "#316bc4",
  "rgb": {
    "r": 49,
    "g": 107,
    "b": 196
  },
  "hsl": {
    "h": 216.327,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53685,
    "c": 0.15176,
    "h": 258.9
  },
  "luminance": 0.15154
}

Semantic roles & 50–950 ramp

primary

#316BC4

secondary

#CDB084

accent

#A545E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316BC4

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

Preview Lab → · Contrast checker → · Palette generator →