#315FB9#315FB9

#315FB9 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.151 H 262.1°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#315FB9
RGB	rgb(49, 95, 185)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 74%, 73%)
CMYK	cmyk(73.5%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(41.75, 15.85, -52.15)
CIE-LCH	lch(41.75, 54.50, 286.90°)
OKLab	oklab(50.31% -0.0208 -0.1497)
OKLCH	oklch(50.31% 0.151 262.1)
XYZ	xyz(14.1127, 12.3386, 47.5274)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FB9 #B98B31

analogous

#31A3B9 #315FB9 #4731B9

triadic

#315FB9 #B9315F #5FB931

tetradic

#315FB9 #B931A3 #B98B31 #31B947

square

#315FB9 #B931A3 #B98B31 #31B947

split-complementary

#315FB9 #B94731 #A3B931

monochromatic

#172D58 #244689 #315FB9 #557FD2 #86A4DF

Accessibility & contrast

On white

6.06

#315FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#315FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FB9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FB9	#FFFFFF	#000000	##FFFFFF
##315FB9	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BC

Deuteranopia (green-blind)

#005DB7

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315fb9;
/* rgb */ color: rgb(49, 95, 185);
/* oklch */ color: oklch(50.3% 0.151 262.1);

Tailwind

colors: {
  custom: {
    50: '#7b8bcf',
    500: '#315fb9',
    950: '#000000',
  },
}

SCSS

$custom: #315fb9;
$custom-light: #7b8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#315fb9",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 219.706,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.50314,
    "c": 0.15115,
    "h": 262.1
  },
  "luminance": 0.1234
}

Semantic roles & 50–950 ramp

primary

#315FB9

secondary

#C8AF7D

accent

#AD46E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #315FB9

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

Preview Lab → · Contrast checker → · Palette generator →