#315DC5#315DC5

#315DC5 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.8% C 0.170 H 264.0°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#315DC5
RGB	rgb(49, 93, 197)
HSL	hsl(222, 60%, 48%)
HSV	hsv(222, 75%, 77%)
CMYK	cmyk(75.1%, 52.8%, 0%, 22.7%)
CIE-LAB	lab(42.02, 21.65, -58.69)
CIE-LCH	lch(42.02, 62.56, 290.25°)
OKLab	oklab(50.78% -0.0177 -0.169)
OKLCH	oklch(50.78% 0.17 264)
XYZ	xyz(15.2554, 12.5112, 54.4234)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DC5 #C59931

analogous

#31A7C5 #315DC5 #4F31C5

triadic

#315DC5 #C5315D #5DC531

tetradic

#315DC5 #C531A7 #C59931 #31C54F

square

#315DC5 #C531A7 #C59931 #31C54F

split-complementary

#315DC5 #C54F31 #A7C531

monochromatic

#192F63 #254694 #315DC5 #5D81D7 #8EA7E3

Accessibility & contrast

On white

6.00

#315DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#315DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DC5

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DC5	#FFFFFF	#000000	##FFFFFF
##315DC5	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116AC9

Deuteranopia (green-blind)

#005DC3

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315dc5;
/* rgb */ color: rgb(49, 93, 197);
/* oklch */ color: oklch(50.8% 0.170 264.0);

Tailwind

colors: {
  custom: {
    50: '#7e8ad7',
    500: '#315dc5',
    950: '#000000',
  },
}

SCSS

$custom: #315dc5;
$custom-light: #7e8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#315dc5",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 197
  },
  "hsl": {
    "h": 222.162,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5078,
    "c": 0.16994,
    "h": 264
  },
  "luminance": 0.12513
}

Semantic roles & 50–950 ramp

primary

#315DC5

secondary

#CDB885

accent

#B444E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315DC5

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

Preview Lab → · Contrast checker → · Palette generator →