#315FBF#315FBF

#315FBF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.7% C 0.159 H 262.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#315FBF
RGB	rgb(49, 95, 191)
HSL	hsl(221, 59%, 47%)
HSV	hsv(221, 74%, 75%)
CMYK	cmyk(74.3%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(42.15, 18.10, -55.00)
CIE-LCH	lch(42.15, 57.90, 288.22°)
OKLab	oklab(50.75% -0.02 -0.1581)
OKLCH	oklch(50.75% 0.159 262.8)
XYZ	xyz(14.7594, 12.5973, 50.9338)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FBF #BF9131

analogous

#31A6BF #315FBF #4A31BF

triadic

#315FBF #BF315F #5FBF31

tetradic

#315FBF #BF31A6 #BF9131 #31BF4A

square

#315FBF #BF31A6 #BF9131 #31BF4A

split-complementary

#315FBF #BF4A31 #A6BF31

monochromatic

#182F5E #25478E #315FBF #5981D4 #8AA6E1

Accessibility & contrast

On white

5.97

#315FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#315FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FBF

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FBF	#FFFFFF	#000000	##FFFFFF
##315FBF	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256AC2

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#007686

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315fbf;
/* rgb */ color: rgb(49, 95, 191);
/* oklch */ color: oklch(50.7% 0.159 262.8);

Tailwind

colors: {
  custom: {
    50: '#7c8bd3',
    500: '#315fbf',
    950: '#000000',
  },
}

SCSS

$custom: #315fbf;
$custom-light: #7c8bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#315fbf",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 220.563,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50749,
    "c": 0.15936,
    "h": 262.8
  },
  "luminance": 0.12599
}

Semantic roles & 50–950 ramp

primary

#315FBF

secondary

#CBB381

accent

#B045E2

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #315FBF

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

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