#315FAC#315FAC

#315FAC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.4% C 0.133 H 260.1°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#315FAC
RGB	rgb(49, 95, 172)
HSL	hsl(218, 56%, 43%)
HSV	hsv(218, 72%, 67%)
CMYK	cmyk(71.5%, 44.8%, 0%, 32.5%)
CIE-LAB	lab(40.92, 10.96, -45.85)
CIE-LCH	lch(40.92, 47.14, 283.44°)
OKLab	oklab(49.41% -0.0229 -0.1312)
OKLCH	oklch(49.41% 0.133 260.1)
XYZ	xyz(12.8025, 11.8146, 40.6275)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FAC #AC7E31

analogous

#319CAC #315FAC #4031AC

triadic

#315FAC #AC315F #5FAC31

tetradic

#315FAC #AC319C #AC7E31 #31AC40

square

#315FAC #AC319C #AC7E31 #31AC40

split-complementary

#315FAC #AC4031 #9CAC31

monochromatic

#162A4D #23457C #315FAC #4E7DCC #7DA0DA

Accessibility & contrast

On white

6.24

#315FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#315FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FAC

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FAC	#FFFFFF	#000000	##FFFFFF
##315FAC	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3967AF

Deuteranopia (green-blind)

#225BAA

Tritanopia (blue-blind)

#00717D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315fac;
/* rgb */ color: rgb(49, 95, 172);
/* oklch */ color: oklch(49.4% 0.133 260.1);

Tailwind

colors: {
  custom: {
    50: '#788bc5',
    500: '#315fac',
    950: '#000000',
  },
}

SCSS

$custom: #315fac;
$custom-light: #788bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#315fac",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 172
  },
  "hsl": {
    "h": 217.561,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4941,
    "c": 0.13317,
    "h": 260.1
  },
  "luminance": 0.11816
}

Semantic roles & 50–950 ramp

primary

#315FAC

secondary

#C3A676

accent

#A749DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #315FAC

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

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