#315CA4#315CA4

#315CA4 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.2% C 0.126 H 260.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#315CA4
RGB	rgb(49, 92, 164)
HSL	hsl(218, 54%, 42%)
HSV	hsv(218, 70%, 64%)
CMYK	cmyk(70.1%, 43.9%, 0%, 35.7%)
CIE-LAB	lab(39.56, 9.90, -43.29)
CIE-LCH	lch(39.56, 44.41, 282.89°)
OKLab	oklab(48.2% -0.0216 -0.1237)
OKLCH	oklch(48.2% 0.126 260.1)
XYZ	xyz(11.7922, 10.9864, 36.6139)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CA4 #A47931

analogous

#3196A4 #315CA4 #3F31A4

triadic

#315CA4 #A4315C #5CA431

tetradic

#315CA4 #A43196 #A47931 #31A43F

square

#315CA4 #A43196 #A47931 #31A43F

split-complementary

#315CA4 #A43F31 #96A431

monochromatic

#152746 #234275 #315CA4 #4979C9 #799CD7

Accessibility & contrast

On white

6.57

#315CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#315CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CA4

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CA4	#FFFFFF	#000000	##FFFFFF
##315CA4	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)

#3963A7

Deuteranopia (green-blind)

#2558A3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315ca4;
/* rgb */ color: rgb(49, 92, 164);
/* oklch */ color: oklch(48.2% 0.126 260.1);

Tailwind

colors: {
  custom: {
    50: '#7789bf',
    500: '#315ca4',
    950: '#000000',
  },
}

SCSS

$custom: #315ca4;
$custom-light: #7789bf;
$custom-dark: #000000;

JSON

{
  "hex": "#315ca4",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 164
  },
  "hsl": {
    "h": 217.565,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.482,
    "c": 0.12559,
    "h": 260.1
  },
  "luminance": 0.10988
}

Semantic roles & 50–950 ramp

primary

#315CA4

secondary

#BFA272

accent

#A64ADD

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315CA4

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

Preview Lab → · Contrast checker → · Palette generator →