#315DB8#315DB8

#315DB8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.152 H 262.7°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#315DB8
RGB	rgb(49, 93, 184)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 73%, 72%)
CMYK	cmyk(73.4%, 49.5%, 0%, 27.8%)
CIE-LAB	lab(41.12, 16.77, -52.57)
CIE-LCH	lch(41.12, 55.18, 287.69°)
OKLab	oklab(49.81% -0.0192 -0.151)
OKLCH	oklch(49.81% 0.152 262.7)
XYZ	xyz(13.8296, 11.9409, 46.9141)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DB8 #B88C31

analogous

#31A1B8 #315DB8 #4831B8

triadic

#315DB8 #B8315D #5DB831

tetradic

#315DB8 #B831A1 #B88C31 #31B848

square

#315DB8 #B831A1 #B88C31 #31B848

split-complementary

#315DB8 #B84831 #A1B831

monochromatic

#172C57 #244588 #315DB8 #557DD2 #85A2DE

Accessibility & contrast

On white

6.20

#315DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#315DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DB8

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DB8	#FFFFFF	#000000	##FFFFFF
##315DB8	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2968BB

Deuteranopia (green-blind)

#005BB6

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315db8;
/* rgb */ color: rgb(49, 93, 184);
/* oklch */ color: oklch(49.8% 0.152 262.7);

Tailwind

colors: {
  custom: {
    50: '#7b8ace',
    500: '#315db8',
    950: '#000000',
  },
}

SCSS

$custom: #315db8;
$custom-light: #7b8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#315db8",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 184
  },
  "hsl": {
    "h": 220.444,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49813,
    "c": 0.15222,
    "h": 262.7
  },
  "luminance": 0.11942
}

Semantic roles & 50–950 ramp

primary

#315DB8

secondary

#C8AF7D

accent

#AF47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315DB8

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

Preview Lab → · Contrast checker → · Palette generator →