#315CAA#315CAA

#315CAA is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.6% C 0.134 H 261.2°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#315CAA
RGB	rgb(49, 92, 170)
HSL	hsl(219, 55%, 43%)
HSV	hsv(219, 71%, 67%)
CMYK	cmyk(71.2%, 45.9%, 0%, 33.3%)
CIE-LAB	lab(39.93, 12.15, -46.25)
CIE-LCH	lch(39.93, 47.82, 284.72°)
OKLab	oklab(48.61% -0.0205 -0.1324)
OKLCH	oklch(48.61% 0.134 261.2)
XYZ	xyz(12.3469, 11.2082, 39.5351)
Luminance	0.1121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CAA #AA7F31

analogous

#3198AA #315CAA #4331AA

triadic

#315CAA #AA315C #5CAA31

tetradic

#315CAA #AA3198 #AA7F31 #31AA43

square

#315CAA #AA3198 #AA7F31 #31AA43

split-complementary

#315CAA #AA4331 #98AA31

monochromatic

#16294B #23427A #315CAA #4D7ACC #7C9DD9

Accessibility & contrast

On white

6.48

#315CAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#315CAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CAA

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CAA	#FFFFFF	#000000	##FFFFFF
##315CAA	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3564AD

Deuteranopia (green-blind)

#1C59A8

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315caa;
/* rgb */ color: rgb(49, 92, 170);
/* oklch */ color: oklch(48.6% 0.134 261.2);

Tailwind

colors: {
  custom: {
    50: '#7889c4',
    500: '#315caa',
    950: '#000000',
  },
}

SCSS

$custom: #315caa;
$custom-light: #7889c4;
$custom-dark: #000000;

JSON

{
  "hex": "#315caa",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 170
  },
  "hsl": {
    "h": 218.678,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48607,
    "c": 0.13401,
    "h": 261.2
  },
  "luminance": 0.1121
}

Semantic roles & 50–950 ramp

primary

#315CAA

secondary

#C2A775

accent

#AA49DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315CAA

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

Preview Lab → · Contrast checker → · Palette generator →