#315DB2#315DB2

#315DB2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.144 H 262.0°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#315DB2
RGB	rgb(49, 93, 178)
HSL	hsl(220, 57%, 45%)
HSV	hsv(220, 72%, 70%)
CMYK	cmyk(72.5%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.73, 14.51, -49.69)
CIE-LCH	lch(40.73, 51.77, 286.28°)
OKLab	oklab(49.38% -0.0201 -0.1425)
OKLCH	oklch(49.38% 0.144 262)
XYZ	xyz(13.2140, 11.6946, 43.6717)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DB2 #B28631

analogous

#319EB2 #315DB2 #4631B2

triadic

#315DB2 #B2315D #5DB231

tetradic

#315DB2 #B2319E #B28631 #31B246

square

#315DB2 #B2319E #B28631 #31B246

split-complementary

#315DB2 #B24631 #9EB231

monochromatic

#172B52 #244482 #315DB2 #517CCF #81A0DC

Accessibility & contrast

On white

6.29

#315DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#315DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DB2

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DB2	#FFFFFF	#000000	##FFFFFF
##315DB2	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B5

Deuteranopia (green-blind)

#0D5AB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315db2;
/* rgb */ color: rgb(49, 93, 178);
/* oklch */ color: oklch(49.4% 0.144 262.0);

Tailwind

colors: {
  custom: {
    50: '#7a8ac9',
    500: '#315db2',
    950: '#000000',
  },
}

SCSS

$custom: #315db2;
$custom-light: #7a8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#315db2",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 219.535,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49384,
    "c": 0.14393,
    "h": 262
  },
  "luminance": 0.11696
}

Semantic roles & 50–950 ramp

primary

#315DB2

secondary

#C5AB79

accent

#AC48E0

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315DB2

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

Preview Lab → · Contrast checker → · Palette generator →