#315FBA#315FBA

#315FBA is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.153 H 262.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#315FBA
RGB	rgb(49, 95, 186)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 74%, 73%)
CMYK	cmyk(73.7%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(41.82, 16.22, -52.62)
CIE-LCH	lch(41.82, 55.07, 287.13°)
OKLab	oklab(50.39% -0.0206 -0.1511)
OKLCH	oklch(50.39% 0.153 262.2)
XYZ	xyz(14.2186, 12.3810, 48.0853)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FBA #BA8C31

analogous

#31A3BA #315FBA #4731BA

triadic

#315FBA #BA315F #5FBA31

tetradic

#315FBA #BA31A3 #BA8C31 #31BA47

square

#315FBA #BA31A3 #BA8C31 #31BA47

split-complementary

#315FBA #BA4731 #A3BA31

monochromatic

#172E59 #24468A #315FBA #5680D2 #86A4DF

Accessibility & contrast

On white

6.04

#315FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#315FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FBA

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FBA	#FFFFFF	#000000	##FFFFFF
##315FBA	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B69BD

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#007583

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315fba;
/* rgb */ color: rgb(49, 95, 186);
/* oklch */ color: oklch(50.4% 0.153 262.2);

Tailwind

colors: {
  custom: {
    50: '#7b8bcf',
    500: '#315fba',
    950: '#000000',
  },
}

SCSS

$custom: #315fba;
$custom-light: #7b8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#315fba",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 219.854,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50386,
    "c": 0.15252,
    "h": 262.2
  },
  "luminance": 0.12383
}

Semantic roles & 50–950 ramp

primary

#315FBA

secondary

#C9B07E

accent

#AD46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #315FBA

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

Preview Lab → · Contrast checker → · Palette generator →