#315CC7#315CC7

#315CC7 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.174 H 264.5°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#315CC7
RGB	rgb(49, 92, 199)
HSL	hsl(223, 60%, 49%)
HSV	hsv(223, 75%, 78%)
CMYK	cmyk(75.4%, 53.8%, 0%, 22%)
CIE-LAB	lab(41.89, 23.05, -60.06)
CIE-LCH	lch(41.89, 64.33, 291.00°)
OKLab	oklab(50.73% -0.0168 -0.173)
OKLCH	oklch(50.73% 0.174 264.5)
XYZ	xyz(15.3989, 12.4291, 55.6092)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CC7 #C79C31

analogous

#31A7C7 #315CC7 #5131C7

triadic

#315CC7 #C7315C #5CC731

tetradic

#315CC7 #C731A7 #C79C31 #31C751

square

#315CC7 #C731A7 #C79C31 #31C751

split-complementary

#315CC7 #C75131 #A7C731

monochromatic

#192F65 #254596 #315CC7 #5E81D7 #8FA7E3

Accessibility & contrast

On white

6.02

#315CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#315CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CC7

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CC7	#FFFFFF	#000000	##FFFFFF
##315CC7	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#016ACB

Deuteranopia (green-blind)

#005CC5

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315cc7;
/* rgb */ color: rgb(49, 92, 199);
/* oklch */ color: oklch(50.7% 0.174 264.5);

Tailwind

colors: {
  custom: {
    50: '#7e89d9',
    500: '#315cc7',
    950: '#000000',
  },
}

SCSS

$custom: #315cc7;
$custom-light: #7e89d9;
$custom-dark: #000000;

JSON

{
  "hex": "#315cc7",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 199
  },
  "hsl": {
    "h": 222.8,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50729,
    "c": 0.17385,
    "h": 264.5
  },
  "luminance": 0.12431
}

Semantic roles & 50–950 ramp

primary

#315CC7

secondary

#CEB986

accent

#B644E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #315CC7

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

Preview Lab → · Contrast checker → · Palette generator →