#315EC5#315EC5

#315EC5 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.169 H 263.7°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#315EC5
RGB	rgb(49, 94, 197)
HSL	hsl(222, 60%, 48%)
HSV	hsv(222, 75%, 77%)
CMYK	cmyk(75.1%, 52.3%, 0%, 22.7%)
CIE-LAB	lab(42.29, 21.00, -58.25)
CIE-LCH	lch(42.29, 61.92, 289.83°)
OKLab	oklab(50.99% -0.0185 -0.1677)
OKLCH	oklch(50.99% 0.169 263.7)
XYZ	xyz(15.3438, 12.6879, 54.4528)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EC5 #C59831

analogous

#31A8C5 #315EC5 #4E31C5

triadic

#315EC5 #C5315E #5EC531

tetradic

#315EC5 #C531A8 #C59831 #31C54E

square

#315EC5 #C531A8 #C59831 #31C54E

split-complementary

#315EC5 #C54E31 #A8C531

monochromatic

#192F63 #254794 #315EC5 #5D82D7 #8EA8E3

Accessibility & contrast

On white

5.94

#315EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#315EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EC5

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EC5	#FFFFFF	#000000	##FFFFFF
##315EC5	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166BC9

Deuteranopia (green-blind)

#005DC3

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315ec5;
/* rgb */ color: rgb(49, 94, 197);
/* oklch */ color: oklch(51.0% 0.169 263.7);

Tailwind

colors: {
  custom: {
    50: '#7e8bd7',
    500: '#315ec5',
    950: '#000000',
  },
}

SCSS

$custom: #315ec5;
$custom-light: #7e8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#315ec5",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 197
  },
  "hsl": {
    "h": 221.757,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50986,
    "c": 0.16872,
    "h": 263.7
  },
  "luminance": 0.1269
}

Semantic roles & 50–950 ramp

primary

#315EC5

secondary

#CDB785

accent

#B344E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315EC5

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

Preview Lab → · Contrast checker → · Palette generator →