#315FAD#315FAD

#315FAD is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.5% C 0.135 H 260.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#315FAD
RGB	rgb(49, 95, 173)
HSL	hsl(218, 56%, 44%)
HSV	hsv(218, 72%, 68%)
CMYK	cmyk(71.7%, 45.1%, 0%, 32.2%)
CIE-LAB	lab(40.98, 11.34, -46.34)
CIE-LCH	lch(40.98, 47.70, 283.75°)
OKLab	oklab(49.48% -0.0227 -0.1326)
OKLCH	oklch(49.48% 0.135 260.3)
XYZ	xyz(12.8989, 11.8531, 41.1351)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FAD #AD7F31

analogous

#319DAD #315FAD #4131AD

triadic

#315FAD #AD315F #5FAD31

tetradic

#315FAD #AD319D #AD7F31 #31AD41

square

#315FAD #AD319D #AD7F31 #31AD41

split-complementary

#315FAD #AD4131 #9DAD31

monochromatic

#162B4E #23457D #315FAD #4E7DCD #7EA0DA

Accessibility & contrast

On white

6.23

#315FAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#315FAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FAD

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FAD	#FFFFFF	#000000	##FFFFFF
##315FAD	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3867B0

Deuteranopia (green-blind)

#205BAB

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315fad;
/* rgb */ color: rgb(49, 95, 173);
/* oklch */ color: oklch(49.5% 0.135 260.3);

Tailwind

colors: {
  custom: {
    50: '#798bc6',
    500: '#315fad',
    950: '#000000',
  },
}

SCSS

$custom: #315fad;
$custom-light: #798bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#315fad",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 173
  },
  "hsl": {
    "h": 217.742,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.49478,
    "c": 0.13457,
    "h": 260.3
  },
  "luminance": 0.11855
}

Semantic roles & 50–950 ramp

primary

#315FAD

secondary

#C3A777

accent

#A749DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #315FAD

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

Preview Lab → · Contrast checker → · Palette generator →