#315FB6#315FB6

#315FB6 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.147 H 261.7°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#315FB6
RGB	rgb(49, 95, 182)
HSL	hsl(219, 58%, 45%)
HSV	hsv(219, 73%, 71%)
CMYK	cmyk(73.1%, 47.8%, 0%, 28.6%)
CIE-LAB	lab(41.55, 14.72, -50.71)
CIE-LCH	lch(41.55, 52.80, 286.18°)
OKLab	oklab(50.1% -0.0212 -0.1455)
OKLCH	oklch(50.1% 0.147 261.7)
XYZ	xyz(13.7993, 12.2133, 45.8770)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FB6 #B68831

analogous

#31A2B6 #315FB6 #4531B6

triadic

#315FB6 #B6315F #5FB631

tetradic

#315FB6 #B631A2 #B68831 #31B645

square

#315FB6 #B631A2 #B68831 #31B645

split-complementary

#315FB6 #B64531 #A2B631

monochromatic

#172D56 #244686 #315FB6 #537FD1 #84A3DE

Accessibility & contrast

On white

6.10

#315FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#315FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FB6

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FB6	#FFFFFF	#000000	##FFFFFF
##315FB6	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3069B9

Deuteranopia (green-blind)

#0A5CB4

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315fb6;
/* rgb */ color: rgb(49, 95, 182);
/* oklch */ color: oklch(50.1% 0.147 261.7);

Tailwind

colors: {
  custom: {
    50: '#7a8bcc',
    500: '#315fb6',
    950: '#000000',
  },
}

SCSS

$custom: #315fb6;
$custom-light: #7a8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#315fb6",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 182
  },
  "hsl": {
    "h": 219.248,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50101,
    "c": 0.14702,
    "h": 261.7
  },
  "luminance": 0.12215
}

Semantic roles & 50–950 ramp

primary

#315FB6

secondary

#C7AD7C

accent

#AC47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #315FB6

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

Preview Lab → · Contrast checker → · Palette generator →