#315CD4#315CD4

#315CD4 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.191 H 265.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#315CD4
RGB	rgb(49, 92, 212)
HSL	hsl(224, 65%, 51%)
HSV	hsv(224, 77%, 83%)
CMYK	cmyk(76.9%, 56.6%, 0%, 16.9%)
CIE-LAB	lab(42.85, 27.89, -65.98)
CIE-LCH	lch(42.85, 71.63, 292.92°)
OKLab	oklab(51.76% -0.0159 -0.1904)
OKLCH	oklch(51.76% 0.191 265.2)
XYZ	xyz(16.9732, 13.0588, 63.9006)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CD4 #D4A931

analogous

#31ADD4 #315CD4 #5731D4

triadic

#315CD4 #D4315C #5CD431

tetradic

#315CD4 #D431AD #D4A931 #31D457

square

#315CD4 #D431AD #D4A931 #31D457

split-complementary

#315CD4 #D45731 #ADD431

monochromatic

#183073 #2345A5 #315CD4 #6484DF #96ACE9

Accessibility & contrast

On white

5.81

#315CD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#315CD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CD4

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CD4	#FFFFFF	#000000	##FFFFFF
##315CD4	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD8

Deuteranopia (green-blind)

#005ED2

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #315cd4;
/* rgb */ color: rgb(49, 92, 212);
/* oklch */ color: oklch(51.8% 0.191 265.2);

Tailwind

colors: {
  custom: {
    50: '#8189e2',
    500: '#315cd4',
    950: '#000000',
  },
}

SCSS

$custom: #315cd4;
$custom-light: #8189e2;
$custom-dark: #000000;

JSON

{
  "hex": "#315cd4",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 212
  },
  "hsl": {
    "h": 224.172,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51757,
    "c": 0.19111,
    "h": 265.2
  },
  "luminance": 0.13061
}

Semantic roles & 50–950 ramp

primary

#315CD4

secondary

#D4C18C

accent

#BC3FE8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #315CD4

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

Preview Lab → · Contrast checker → · Palette generator →