#315DB6#315DB6

#315DB6 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.149 H 262.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#315DB6
RGB	rgb(49, 93, 182)
HSL	hsl(220, 58%, 45%)
HSV	hsv(220, 73%, 71%)
CMYK	cmyk(73.1%, 48.9%, 0%, 28.6%)
CIE-LAB	lab(40.99, 16.02, -51.62)
CIE-LCH	lch(40.99, 54.04, 287.24°)
OKLab	oklab(49.67% -0.0195 -0.1482)
OKLCH	oklch(49.67% 0.149 262.5)
XYZ	xyz(13.6215, 11.8576, 45.8178)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DB6 #B68A31

analogous

#31A0B6 #315DB6 #4731B6

triadic

#315DB6 #B6315D #5DB631

tetradic

#315DB6 #B631A0 #B68A31 #31B647

square

#315DB6 #B631A0 #B68A31 #31B647

split-complementary

#315DB6 #B64731 #A0B631

monochromatic

#172C56 #244486 #315DB6 #537DD1 #84A1DE

Accessibility & contrast

On white

6.23

#315DB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#315DB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DB6

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DB6	#FFFFFF	#000000	##FFFFFF
##315DB6	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B67B9

Deuteranopia (green-blind)

#005BB4

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315db6;
/* rgb */ color: rgb(49, 93, 182);
/* oklch */ color: oklch(49.7% 0.149 262.5);

Tailwind

colors: {
  custom: {
    50: '#7b8acc',
    500: '#315db6',
    950: '#000000',
  },
}

SCSS

$custom: #315db6;
$custom-light: #7b8acc;
$custom-dark: #000000;

JSON

{
  "hex": "#315db6",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 182
  },
  "hsl": {
    "h": 220.15,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49669,
    "c": 0.14947,
    "h": 262.5
  },
  "luminance": 0.11859
}

Semantic roles & 50–950 ramp

primary

#315DB6

secondary

#C7AE7C

accent

#AE47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #315DB6

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

Preview Lab → · Contrast checker → · Palette generator →