#315EB8#315EB8

#315EB8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.151 H 262.4°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#315EB8
RGB	rgb(49, 94, 184)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 73%, 72%)
CMYK	cmyk(73.4%, 48.9%, 0%, 27.8%)
CIE-LAB	lab(41.40, 16.12, -52.12)
CIE-LCH	lch(41.40, 54.56, 287.18°)
OKLab	oklab(50.03% -0.0201 -0.1496)
OKLCH	oklch(50.03% 0.151 262.4)
XYZ	xyz(13.9180, 12.1176, 46.9435)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EB8 #B88B31

analogous

#31A1B8 #315EB8 #4731B8

triadic

#315EB8 #B8315E #5EB831

tetradic

#315EB8 #B831A1 #B88B31 #31B847

square

#315EB8 #B831A1 #B88B31 #31B847

split-complementary

#315EB8 #B84731 #A1B831

monochromatic

#172D57 #244588 #315EB8 #557ED2 #85A3DE

Accessibility & contrast

On white

6.13

#315EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#315EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EB8

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EB8	#FFFFFF	#000000	##FFFFFF
##315EB8	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B68BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315eb8;
/* rgb */ color: rgb(49, 94, 184);
/* oklch */ color: oklch(50.0% 0.151 262.4);

Tailwind

colors: {
  custom: {
    50: '#7b8bce',
    500: '#315eb8',
    950: '#000000',
  },
}

SCSS

$custom: #315eb8;
$custom-light: #7b8bce;
$custom-dark: #000000;

JSON

{
  "hex": "#315eb8",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 184
  },
  "hsl": {
    "h": 220,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50028,
    "c": 0.15099,
    "h": 262.4
  },
  "luminance": 0.12119
}

Semantic roles & 50–950 ramp

primary

#315EB8

secondary

#C8AF7D

accent

#AE47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315EB8

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

Preview Lab → · Contrast checker → · Palette generator →