#315BC7#315BC7

#315BC7 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.175 H 264.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#315BC7
RGB	rgb(49, 91, 199)
HSL	hsl(223, 60%, 49%)
HSV	hsv(223, 75%, 78%)
CMYK	cmyk(75.4%, 54.3%, 0%, 22%)
CIE-LAB	lab(41.62, 23.70, -60.49)
CIE-LCH	lch(41.62, 64.97, 291.39°)
OKLab	oklab(50.53% -0.016 -0.1743)
OKLCH	oklch(50.53% 0.175 264.7)
XYZ	xyz(15.3129, 12.2570, 55.5806)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BC7 #C79D31

analogous

#31A6C7 #315BC7 #5231C7

triadic

#315BC7 #C7315B #5BC731

tetradic

#315BC7 #C731A6 #C79D31 #31C752

square

#315BC7 #C731A6 #C79D31 #31C752

split-complementary

#315BC7 #C75231 #A6C731

monochromatic

#192E65 #254596 #315BC7 #5E80D7 #8FA7E3

Accessibility & contrast

On white

6.08

#315BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#315BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BC7

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BC7	#FFFFFF	#000000	##FFFFFF
##315BC7	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CB

Deuteranopia (green-blind)

#005CC5

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315bc7;
/* rgb */ color: rgb(49, 91, 199);
/* oklch */ color: oklch(50.5% 0.175 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e88d9',
    500: '#315bc7',
    950: '#000000',
  },
}

SCSS

$custom: #315bc7;
$custom-light: #7e88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#315bc7",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 199
  },
  "hsl": {
    "h": 223.2,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50526,
    "c": 0.17508,
    "h": 264.7
  },
  "luminance": 0.12259
}

Semantic roles & 50–950 ramp

primary

#315BC7

secondary

#CEBA86

accent

#B744E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #315BC7

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

Preview Lab → · Contrast checker → · Palette generator →