#315BA8#315BA8

#315BA8 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.2% C 0.132 H 261.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#315BA8
RGB	rgb(49, 91, 168)
HSL	hsl(219, 55%, 43%)
HSV	hsv(219, 71%, 66%)
CMYK	cmyk(70.8%, 45.8%, 0%, 34.1%)
CIE-LAB	lab(39.51, 12.05, -45.73)
CIE-LCH	lch(39.51, 47.29, 284.77°)
OKLab	oklab(48.25% -0.0199 -0.1309)
OKLCH	oklch(48.25% 0.132 261.4)
XYZ	xyz(12.0731, 10.9610, 38.5176)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BA8 #A87E31

analogous

#3196A8 #315BA8 #4331A8

triadic

#315BA8 #A8315B #5BA831

tetradic

#315BA8 #A83196 #A87E31 #31A843

square

#315BA8 #A83196 #A87E31 #31A843

split-complementary

#315BA8 #A84331 #96A831

monochromatic

#152849 #234179 #315BA8 #4C78CB #7B9CD8

Accessibility & contrast

On white

6.58

#315BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#315BA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BA8

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BA8	#FFFFFF	#000000	##FFFFFF
##315BA8	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3463AB

Deuteranopia (green-blind)

#1D58A6

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315ba8;
/* rgb */ color: rgb(49, 91, 168);
/* oklch */ color: oklch(48.2% 0.132 261.4);

Tailwind

colors: {
  custom: {
    50: '#7888c2',
    500: '#315ba8',
    950: '#000000',
  },
}

SCSS

$custom: #315ba8;
$custom-light: #7888c2;
$custom-dark: #000000;

JSON

{
  "hex": "#315ba8",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 168
  },
  "hsl": {
    "h": 218.824,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48247,
    "c": 0.13242,
    "h": 261.4
  },
  "luminance": 0.10962
}

Semantic roles & 50–950 ramp

primary

#315BA8

secondary

#C1A674

accent

#AA4ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315BA8

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

Preview Lab → · Contrast checker → · Palette generator →