#315FC7#315FC7

#315FC7 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.3% C 0.170 H 263.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#315FC7
RGB	rgb(49, 95, 199)
HSL	hsl(222, 60%, 49%)
HSV	hsv(222, 75%, 78%)
CMYK	cmyk(75.4%, 52.3%, 0%, 22%)
CIE-LAB	lab(42.70, 21.11, -58.74)
CIE-LCH	lch(42.70, 62.42, 289.76°)
OKLab	oklab(51.34% -0.0191 -0.1691)
OKLCH	oklch(51.34% 0.17 263.6)
XYZ	xyz(15.6640, 12.9592, 55.6976)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FC7 #C79931

analogous

#31AAC7 #315FC7 #4E31C7

triadic

#315FC7 #C7315F #5FC731

tetradic

#315FC7 #C731AA #C79931 #31C74E

square

#315FC7 #C731AA #C79931 #31C74E

split-complementary

#315FC7 #C74E31 #AAC731

monochromatic

#193065 #254896 #315FC7 #5E83D7 #8FA9E3

Accessibility & contrast

On white

5.85

#315FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#315FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FC7

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FC7	#FFFFFF	#000000	##FFFFFF
##315FC7	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166CCB

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #315fc7;
/* rgb */ color: rgb(49, 95, 199);
/* oklch */ color: oklch(51.3% 0.170 263.6);

Tailwind

colors: {
  custom: {
    50: '#7e8bd9',
    500: '#315fc7',
    950: '#000000',
  },
}

SCSS

$custom: #315fc7;
$custom-light: #7e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#315fc7",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 199
  },
  "hsl": {
    "h": 221.6,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51344,
    "c": 0.17019,
    "h": 263.6
  },
  "luminance": 0.12961
}

Semantic roles & 50–950 ramp

primary

#315FC7

secondary

#CEB886

accent

#B344E4

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #315FC7

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

Preview Lab → · Contrast checker → · Palette generator →