#315AC8#315AC8

#315AC8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.4% C 0.178 H 265.1°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#315AC8
RGB	rgb(49, 90, 200)
HSL	hsl(224, 61%, 49%)
HSV	hsv(224, 76%, 78%)
CMYK	cmyk(75.5%, 55%, 0%, 21.6%)
CIE-LAB	lab(41.43, 24.72, -61.38)
CIE-LCH	lch(41.43, 66.18, 291.93°)
OKLab	oklab(50.4% -0.0152 -0.177)
OKLCH	oklch(50.4% 0.178 265.1)
XYZ	xyz(15.3444, 12.1337, 56.1657)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AC8 #C89F31

analogous

#31A6C8 #315AC8 #5431C8

triadic

#315AC8 #C8315A #5AC831

tetradic

#315AC8 #C831A6 #C89F31 #31C854

square

#315AC8 #C831A6 #C89F31 #31C854

split-complementary

#315AC8 #C85431 #A6C831

monochromatic

#192E66 #254497 #315AC8 #5F7FD8 #90A6E4

Accessibility & contrast

On white

6.13

#315AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#315AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AC8

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AC8	#FFFFFF	#000000	##FFFFFF
##315AC8	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005BC6

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315ac8;
/* rgb */ color: rgb(49, 90, 200);
/* oklch */ color: oklch(50.4% 0.178 265.1);

Tailwind

colors: {
  custom: {
    50: '#7f88d9',
    500: '#315ac8',
    950: '#000000',
  },
}

SCSS

$custom: #315ac8;
$custom-light: #7f88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#315ac8",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 200
  },
  "hsl": {
    "h": 223.709,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50403,
    "c": 0.17763,
    "h": 265.1
  },
  "luminance": 0.12135
}

Semantic roles & 50–950 ramp

primary

#315AC8

secondary

#CEBB86

accent

#B844E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315AC8

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

Preview Lab → · Contrast checker → · Palette generator →