#315AD0#315AD0

#315AD0 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.188 H 265.5°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#315AD0
RGB	rgb(49, 90, 208)
HSL	hsl(225, 63%, 50%)
HSV	hsv(225, 76%, 82%)
CMYK	cmyk(76.4%, 56.7%, 0%, 18.4%)
CIE-LAB	lab(42.03, 27.70, -65.02)
CIE-LCH	lch(42.03, 70.68, 293.07°)
OKLab	oklab(51.04% -0.0147 -0.1877)
OKLCH	oklch(51.04% 0.188 265.5)
XYZ	xyz(16.3039, 12.5175, 61.2191)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AD0 #D0A731

analogous

#31AAD0 #315AD0 #5731D0

triadic

#315AD0 #D0315A #5AD031

tetradic

#315AD0 #D031AA #D0A731 #31D057

square

#315AD0 #D031AA #D0A731 #31D057

split-complementary

#315AD0 #D05731 #AAD031

monochromatic

#192F6E #24449F #315AD0 #6382DB #95AAE7

Accessibility & contrast

On white

5.99

#315AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#315AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AD0

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AD0	#FFFFFF	#000000	##FFFFFF
##315AD0	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005CCE

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315ad0;
/* rgb */ color: rgb(49, 90, 208);
/* oklch */ color: oklch(51.0% 0.188 265.5);

Tailwind

colors: {
  custom: {
    50: '#8088df',
    500: '#315ad0',
    950: '#000000',
  },
}

SCSS

$custom: #315ad0;
$custom-light: #8088df;
$custom-dark: #000000;

JSON

{
  "hex": "#315ad0",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 208
  },
  "hsl": {
    "h": 224.528,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51042,
    "c": 0.18826,
    "h": 265.5
  },
  "luminance": 0.12519
}

Semantic roles & 50–950 ramp

primary

#315AD0

secondary

#D2C08B

accent

#BC42E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315AD0

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

Preview Lab → · Contrast checker → · Palette generator →