#315FA6#315FA6

#315FA6 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.0% C 0.125 H 258.9°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#315FA6
RGB	rgb(49, 95, 166)
HSL	hsl(216, 54%, 42%)
HSV	hsv(216, 70%, 65%)
CMYK	cmyk(70.5%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(40.56, 8.71, -42.88)
CIE-LCH	lch(40.56, 43.76, 281.49°)
OKLab	oklab(49.01% -0.0241 -0.1225)
OKLCH	oklch(49.01% 0.125 258.9)
XYZ	xyz(12.2393, 11.5893, 37.6609)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FA6 #A67831

analogous

#319AA6 #315FA6 #3D31A6

triadic

#315FA6 #A6315F #5FA631

tetradic

#315FA6 #A6319A #A67831 #31A63D

square

#315FA6 #A6319A #A67831 #31A63D

split-complementary

#315FA6 #A63D31 #9AA631

monochromatic

#152947 #234477 #315FA6 #4A7DCA #7A9FD8

Accessibility & contrast

On white

6.33

#315FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#315FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FA6

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FA6	#FFFFFF	#000000	##FFFFFF
##315FA6	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D65A9

Deuteranopia (green-blind)

#2A5BA5

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315fa6;
/* rgb */ color: rgb(49, 95, 166);
/* oklch */ color: oklch(49.0% 0.125 258.9);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#315fa6',
    950: '#000000',
  },
}

SCSS

$custom: #315fa6;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#315fa6",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 216.41,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49011,
    "c": 0.12482,
    "h": 258.9
  },
  "luminance": 0.11591
}

Semantic roles & 50–950 ramp

primary

#315FA6

secondary

#C0A273

accent

#A44ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #315FA6

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

Preview Lab → · Contrast checker → · Palette generator →