#315FC8#315FC8

#315FC8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.172 H 263.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#315FC8
RGB	rgb(49, 95, 200)
HSL	hsl(222, 61%, 49%)
HSV	hsv(222, 76%, 78%)
CMYK	cmyk(75.5%, 52.5%, 0%, 21.6%)
CIE-LAB	lab(42.77, 21.48, -59.21)
CIE-LCH	lch(42.77, 62.98, 289.94°)
OKLab	oklab(51.42% -0.019 -0.1705)
OKLCH	oklch(51.42% 0.172 263.7)
XYZ	xyz(15.7804, 13.0057, 56.3111)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FC8 #C89A31

analogous

#31ABC8 #315FC8 #4F31C8

triadic

#315FC8 #C8315F #5FC831

tetradic

#315FC8 #C831AB #C89A31 #31C84F

square

#315FC8 #C831AB #C89A31 #31C84F

split-complementary

#315FC8 #C84F31 #ABC831

monochromatic

#193066 #254897 #315FC8 #5F83D8 #90A9E4

Accessibility & contrast

On white

5.83

#315FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#315FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FC8

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FC8	#FFFFFF	#000000	##FFFFFF
##315FC8	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#146CCC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #315fc8;
/* rgb */ color: rgb(49, 95, 200);
/* oklch */ color: oklch(51.4% 0.172 263.7);

Tailwind

colors: {
  custom: {
    50: '#7e8bd9',
    500: '#315fc8',
    950: '#000000',
  },
}

SCSS

$custom: #315fc8;
$custom-light: #7e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#315fc8",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 200
  },
  "hsl": {
    "h": 221.722,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5142,
    "c": 0.17154,
    "h": 263.7
  },
  "luminance": 0.13008
}

Semantic roles & 50–950 ramp

primary

#315FC8

secondary

#CEB886

accent

#B344E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #315FC8

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

Preview Lab → · Contrast checker → · Palette generator →