#315FBC#315FBC

#315FBC is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.5% C 0.155 H 262.5°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#315FBC
RGB	rgb(49, 95, 188)
HSL	hsl(220, 59%, 46%)
HSV	hsv(220, 74%, 74%)
CMYK	cmyk(73.9%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(41.95, 16.97, -53.58)
CIE-LCH	lch(41.95, 56.20, 287.58°)
OKLab	oklab(50.53% -0.0204 -0.1539)
OKLCH	oklch(50.53% 0.155 262.5)
XYZ	xyz(14.4327, 12.4666, 49.2129)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FBC #BC8E31

analogous

#31A5BC #315FBC #4931BC

triadic

#315FBC #BC315F #5FBC31

tetradic

#315FBC #BC31A5 #BC8E31 #31BC49

square

#315FBC #BC31A5 #BC8E31 #31BC49

split-complementary

#315FBC #BC4931 #A5BC31

monochromatic

#182E5B #24468B #315FBC #5780D3 #88A5E0

Accessibility & contrast

On white

6.01

#315FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#315FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FBC

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FBC	#FFFFFF	#000000	##FFFFFF
##315FBC	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296ABF

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315fbc;
/* rgb */ color: rgb(49, 95, 188);
/* oklch */ color: oklch(50.5% 0.155 262.5);

Tailwind

colors: {
  custom: {
    50: '#7c8bd1',
    500: '#315fbc',
    950: '#000000',
  },
}

SCSS

$custom: #315fbc;
$custom-light: #7c8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#315fbc",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 220.144,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5053,
    "c": 0.15526,
    "h": 262.5
  },
  "luminance": 0.12468
}

Semantic roles & 50–950 ramp

primary

#315FBC

secondary

#CAB17F

accent

#AE46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #315FBC

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

Preview Lab → · Contrast checker → · Palette generator →