#315AAD#315AAD

#315AAD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.141 H 262.6°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#315AAD
RGB	rgb(49, 90, 173)
HSL	hsl(220, 56%, 44%)
HSV	hsv(220, 72%, 68%)
CMYK	cmyk(71.7%, 48%, 0%, 32.2%)
CIE-LAB	lab(39.55, 14.58, -48.64)
CIE-LCH	lch(39.55, 50.78, 286.69°)
OKLab	oklab(48.38% -0.0182 -0.1395)
OKLCH	oklch(48.38% 0.141 262.6)
XYZ	xyz(12.4629, 10.9811, 40.9898)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AAD #AD8431

analogous

#3198AD #315AAD #4631AD

triadic

#315AAD #AD315A #5AAD31

tetradic

#315AAD #AD3198 #AD8431 #31AD46

square

#315AAD #AD3198 #AD8431 #31AD46

split-complementary

#315AAD #AD4631 #98AD31

monochromatic

#16284E #23417D #315AAD #4E78CD #7E9DDA

Accessibility & contrast

On white

6.57

#315AAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#315AAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AAD

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AAD	#FFFFFF	#000000	##FFFFFF
##315AAD	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63B0

Deuteranopia (green-blind)

#0D58AB

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315aad;
/* rgb */ color: rgb(49, 90, 173);
/* oklch */ color: oklch(48.4% 0.141 262.6);

Tailwind

colors: {
  custom: {
    50: '#7988c6',
    500: '#315aad',
    950: '#000000',
  },
}

SCSS

$custom: #315aad;
$custom-light: #7988c6;
$custom-dark: #000000;

JSON

{
  "hex": "#315aad",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 173
  },
  "hsl": {
    "h": 220.161,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48376,
    "c": 0.14066,
    "h": 262.6
  },
  "luminance": 0.10982
}

Semantic roles & 50–950 ramp

primary

#315AAD

secondary

#C3AA77

accent

#AD49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315AAD

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

Preview Lab → · Contrast checker → · Palette generator →