#315FB8#315FB8

#315FB8 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.2% C 0.150 H 262.0°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#315FB8
RGB	rgb(49, 95, 184)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 73%, 72%)
CMYK	cmyk(73.4%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(41.68, 15.47, -51.67)
CIE-LCH	lch(41.68, 53.93, 286.67°)
OKLab	oklab(50.24% -0.0209 -0.1483)
OKLCH	oklch(50.24% 0.15 262)
XYZ	xyz(14.0075, 12.2966, 46.9734)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FB8 #B88A31

analogous

#31A2B8 #315FB8 #4731B8

triadic

#315FB8 #B8315F #5FB831

tetradic

#315FB8 #B831A2 #B88A31 #31B847

square

#315FB8 #B831A2 #B88A31 #31B847

split-complementary

#315FB8 #B84731 #A2B831

monochromatic

#172D57 #244688 #315FB8 #557FD2 #85A3DE

Accessibility & contrast

On white

6.07

#315FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#315FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FB8

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FB8	#FFFFFF	#000000	##FFFFFF
##315FB8	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E69BB

Deuteranopia (green-blind)

#025DB6

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315fb8;
/* rgb */ color: rgb(49, 95, 184);
/* oklch */ color: oklch(50.2% 0.150 262.0);

Tailwind

colors: {
  custom: {
    50: '#7b8bce',
    500: '#315fb8',
    950: '#000000',
  },
}

SCSS

$custom: #315fb8;
$custom-light: #7b8bce;
$custom-dark: #000000;

JSON

{
  "hex": "#315fb8",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 219.556,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.50243,
    "c": 0.14977,
    "h": 262
  },
  "luminance": 0.12298
}

Semantic roles & 50–950 ramp

primary

#315FB8

secondary

#C8AE7D

accent

#AD47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #315FB8

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

Preview Lab → · Contrast checker → · Palette generator →