#315DC8#315DC8

#315DC8 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.174 H 264.2°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#315DC8
RGB	rgb(49, 93, 200)
HSL	hsl(223, 61%, 49%)
HSV	hsv(223, 76%, 78%)
CMYK	cmyk(75.5%, 53.5%, 0%, 21.6%)
CIE-LAB	lab(42.23, 22.78, -60.08)
CIE-LCH	lch(42.23, 64.25, 290.76°)
OKLab	oklab(51.01% -0.0174 -0.1731)
OKLCH	oklch(51.01% 0.174 264.2)
XYZ	xyz(15.6026, 12.6501, 56.2518)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DC8 #C89C31

analogous

#31A9C8 #315DC8 #5131C8

triadic

#315DC8 #C8315D #5DC831

tetradic

#315DC8 #C831A9 #C89C31 #31C851

square

#315DC8 #C831A9 #C89C31 #31C851

split-complementary

#315DC8 #C85131 #A9C831

monochromatic

#192F66 #254697 #315DC8 #5F82D8 #90A8E4

Accessibility & contrast

On white

5.95

#315DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#315DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DC8

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DC8	#FFFFFF	#000000	##FFFFFF
##315DC8	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#056BCC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315dc8;
/* rgb */ color: rgb(49, 93, 200);
/* oklch */ color: oklch(51.0% 0.174 264.2);

Tailwind

colors: {
  custom: {
    50: '#7e8ad9',
    500: '#315dc8',
    950: '#000000',
  },
}

SCSS

$custom: #315dc8;
$custom-light: #7e8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#315dc8",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 200
  },
  "hsl": {
    "h": 222.517,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5101,
    "c": 0.17398,
    "h": 264.2
  },
  "luminance": 0.12652
}

Semantic roles & 50–950 ramp

primary

#315DC8

secondary

#CEB986

accent

#B544E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #315DC8

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

Preview Lab → · Contrast checker → · Palette generator →