#315DB7#315DB7

#315DB7 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.151 H 262.6°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#315DB7
RGB	rgb(49, 93, 183)
HSL	hsl(220, 58%, 45%)
HSV	hsv(220, 73%, 72%)
CMYK	cmyk(73.2%, 49.2%, 0%, 28.2%)
CIE-LAB	lab(41.06, 16.39, -52.09)
CIE-LCH	lch(41.06, 54.61, 287.47°)
OKLab	oklab(49.74% -0.0193 -0.1496)
OKLCH	oklch(49.74% 0.151 262.6)
XYZ	xyz(13.7252, 11.8991, 46.3640)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DB7 #B78B31

analogous

#31A0B7 #315DB7 #4831B7

triadic

#315DB7 #B7315D #5DB731

tetradic

#315DB7 #B731A0 #B78B31 #31B748

square

#315DB7 #B731A0 #B78B31 #31B748

split-complementary

#315DB7 #B74831 #A0B731

monochromatic

#172C56 #244487 #315DB7 #547DD1 #84A2DE

Accessibility & contrast

On white

6.21

#315DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#315DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DB7

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DB7	#FFFFFF	#000000	##FFFFFF
##315DB7	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A67BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315db7;
/* rgb */ color: rgb(49, 93, 183);
/* oklch */ color: oklch(49.7% 0.151 262.6);

Tailwind

colors: {
  custom: {
    50: '#7b8acd',
    500: '#315db7',
    950: '#000000',
  },
}

SCSS

$custom: #315db7;
$custom-light: #7b8acd;
$custom-dark: #000000;

JSON

{
  "hex": "#315db7",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 183
  },
  "hsl": {
    "h": 220.299,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49741,
    "c": 0.15085,
    "h": 262.6
  },
  "luminance": 0.11901
}

Semantic roles & 50–950 ramp

primary

#315DB7

secondary

#C8AF7C

accent

#AE47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #315DB7

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

Preview Lab → · Contrast checker → · Palette generator →