#315CA6#315CA6

#315CA6 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.3% C 0.128 H 260.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#315CA6
RGB	rgb(49, 92, 166)
HSL	hsl(218, 54%, 42%)
HSV	hsv(218, 70%, 65%)
CMYK	cmyk(70.5%, 44.6%, 0%, 34.9%)
CIE-LAB	lab(39.68, 10.65, -44.28)
CIE-LCH	lch(39.68, 45.54, 283.53°)
OKLab	oklab(48.33% -0.0212 -0.1266)
OKLCH	oklch(48.33% 0.128 260.5)
XYZ	xyz(11.9742, 11.0592, 37.5726)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CA6 #A67B31

analogous

#3197A6 #315CA6 #4131A6

triadic

#315CA6 #A6315C #5CA631

tetradic

#315CA6 #A63197 #A67B31 #31A641

square

#315CA6 #A63197 #A67B31 #31A641

split-complementary

#315CA6 #A64131 #97A631

monochromatic

#152847 #234277 #315CA6 #4A79CA #7A9CD8

Accessibility & contrast

On white

6.54

#315CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#315CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CA6

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CA6	#FFFFFF	#000000	##FFFFFF
##315CA6	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3863A9

Deuteranopia (green-blind)

#2358A4

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315ca6;
/* rgb */ color: rgb(49, 92, 166);
/* oklch */ color: oklch(48.3% 0.128 260.5);

Tailwind

colors: {
  custom: {
    50: '#7789c1',
    500: '#315ca6',
    950: '#000000',
  },
}

SCSS

$custom: #315ca6;
$custom-light: #7789c1;
$custom-dark: #000000;

JSON

{
  "hex": "#315ca6",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 166
  },
  "hsl": {
    "h": 217.949,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48334,
    "c": 0.1284,
    "h": 260.5
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary

#315CA6

secondary

#C0A473

accent

#A74ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315CA6

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

Preview Lab → · Contrast checker → · Palette generator →