#315DC7#315DC7

#315DC7 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.173 H 264.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#315DC7
RGB	rgb(49, 93, 199)
HSL	hsl(222, 60%, 49%)
HSV	hsv(222, 75%, 78%)
CMYK	cmyk(75.4%, 53.3%, 0%, 22%)
CIE-LAB	lab(42.16, 22.40, -59.62)
CIE-LCH	lch(42.16, 63.69, 290.59°)
OKLab	oklab(50.93% -0.0175 -0.1717)
OKLCH	oklch(50.93% 0.173 264.2)
XYZ	xyz(15.4861, 12.6035, 55.6383)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DC7 #C79B31

analogous

#31A8C7 #315DC7 #5031C7

triadic

#315DC7 #C7315D #5DC731

tetradic

#315DC7 #C731A8 #C79B31 #31C750

square

#315DC7 #C731A8 #C79B31 #31C750

split-complementary

#315DC7 #C75031 #A8C731

monochromatic

#192F65 #254696 #315DC7 #5E81D7 #8FA8E3

Accessibility & contrast

On white

5.96

#315DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#315DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DC7

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DC7	#FFFFFF	#000000	##FFFFFF
##315DC7	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A6BCB

Deuteranopia (green-blind)

#005DC5

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315dc7;
/* rgb */ color: rgb(49, 93, 199);
/* oklch */ color: oklch(50.9% 0.173 264.2);

Tailwind

colors: {
  custom: {
    50: '#7e8ad9',
    500: '#315dc7',
    950: '#000000',
  },
}

SCSS

$custom: #315dc7;
$custom-light: #7e8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#315dc7",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 199
  },
  "hsl": {
    "h": 222.4,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50933,
    "c": 0.17263,
    "h": 264.2
  },
  "luminance": 0.12605
}

Semantic roles & 50–950 ramp

primary

#315DC7

secondary

#CEB986

accent

#B544E4

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #315DC7

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

Preview Lab → · Contrast checker → · Palette generator →