#315BC4#315BC4

#315BC4 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.171 H 264.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#315BC4
RGB	rgb(49, 91, 196)
HSL	hsl(223, 60%, 48%)
HSV	hsv(223, 75%, 77%)
CMYK	cmyk(75%, 53.6%, 0%, 23.1%)
CIE-LAB	lab(41.40, 22.58, -59.11)
CIE-LCH	lch(41.40, 63.27, 290.90°)
OKLab	oklab(50.29% -0.0163 -0.1703)
OKLCH	oklch(50.29% 0.171 264.5)
XYZ	xyz(14.9680, 12.1190, 53.7642)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BC4 #C49A31

analogous

#31A4C4 #315BC4 #5031C4

triadic

#315BC4 #C4315B #5BC431

tetradic

#315BC4 #C431A4 #C49A31 #31C450

square

#315BC4 #C431A4 #C49A31 #31C450

split-complementary

#315BC4 #C45031 #A4C431

monochromatic

#192E62 #254493 #315BC4 #5C7FD6 #8DA5E2

Accessibility & contrast

On white

6.13

#315BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#315BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BC4

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BC4	#FFFFFF	#000000	##FFFFFF
##315BC4	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0669C8

Deuteranopia (green-blind)

#005BC2

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315bc4;
/* rgb */ color: rgb(49, 91, 196);
/* oklch */ color: oklch(50.3% 0.171 264.5);

Tailwind

colors: {
  custom: {
    50: '#7e88d7',
    500: '#315bc4',
    950: '#000000',
  },
}

SCSS

$custom: #315bc4;
$custom-light: #7e88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#315bc4",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 196
  },
  "hsl": {
    "h": 222.857,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50293,
    "c": 0.17104,
    "h": 264.5
  },
  "luminance": 0.12121
}

Semantic roles & 50–950 ramp

primary

#315BC4

secondary

#CDB884

accent

#B645E3

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315BC4

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

Preview Lab → · Contrast checker → · Palette generator →