#315DBF#315DBF

#315DBF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.162 H 263.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#315DBF
RGB	rgb(49, 93, 191)
HSL	hsl(221, 59%, 47%)
HSV	hsv(221, 74%, 75%)
CMYK	cmyk(74.3%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(41.60, 19.40, -55.89)
CIE-LCH	lch(41.60, 59.16, 289.14°)
OKLab	oklab(50.33% -0.0184 -0.1608)
OKLCH	oklch(50.33% 0.162 263.5)
XYZ	xyz(14.5816, 12.2417, 50.8745)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DBF #BF9331

analogous

#31A4BF #315DBF #4C31BF

triadic

#315DBF #BF315D #5DBF31

tetradic

#315DBF #BF31A4 #BF9331 #31BF4C

square

#315DBF #BF31A4 #BF9331 #31BF4C

split-complementary

#315DBF #BF4C31 #A4BF31

monochromatic

#182E5E #25458E #315DBF #597FD4 #8AA5E1

Accessibility & contrast

On white

6.09

#315DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#315DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DBF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DBF	#FFFFFF	#000000	##FFFFFF
##315DBF	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E69C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315dbf;
/* rgb */ color: rgb(49, 93, 191);
/* oklch */ color: oklch(50.3% 0.162 263.5);

Tailwind

colors: {
  custom: {
    50: '#7c8ad3',
    500: '#315dbf',
    950: '#000000',
  },
}

SCSS

$custom: #315dbf;
$custom-light: #7c8ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#315dbf",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 221.408,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50328,
    "c": 0.1618,
    "h": 263.5
  },
  "luminance": 0.12243
}

Semantic roles & 50–950 ramp

primary

#315DBF

secondary

#CBB481

accent

#B245E2

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315DBF

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

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