#315EC4#315EC4

#315EC4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.167 H 263.6°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#315EC4
RGB	rgb(49, 94, 196)
HSL	hsl(222, 60%, 48%)
HSV	hsv(222, 75%, 77%)
CMYK	cmyk(75%, 52%, 0%, 23.1%)
CIE-LAB	lab(42.22, 20.63, -57.79)
CIE-LCH	lch(42.22, 61.36, 289.65°)
OKLab	oklab(50.91% -0.0186 -0.1663)
OKLCH	oklch(50.91% 0.167 263.6)
XYZ	xyz(15.2296, 12.6422, 53.8514)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EC4 #C49731

analogous

#31A7C4 #315EC4 #4E31C4

triadic

#315EC4 #C4315E #5EC431

tetradic

#315EC4 #C431A7 #C49731 #31C44E

square

#315EC4 #C431A7 #C49731 #31C44E

split-complementary

#315EC4 #C44E31 #A7C431

monochromatic

#192F62 #254793 #315EC4 #5C81D6 #8DA7E2

Accessibility & contrast

On white

5.95

#315EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#315EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EC4

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EC4	#FFFFFF	#000000	##FFFFFF
##315EC4	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186BC8

Deuteranopia (green-blind)

#005DC2

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315ec4;
/* rgb */ color: rgb(49, 94, 196);
/* oklch */ color: oklch(50.9% 0.167 263.6);

Tailwind

colors: {
  custom: {
    50: '#7e8bd7',
    500: '#315ec4',
    950: '#000000',
  },
}

SCSS

$custom: #315ec4;
$custom-light: #7e8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#315ec4",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 196
  },
  "hsl": {
    "h": 221.633,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50911,
    "c": 0.16737,
    "h": 263.6
  },
  "luminance": 0.12644
}

Semantic roles & 50–950 ramp

primary

#315EC4

secondary

#CDB784

accent

#B345E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315EC4

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

Preview Lab → · Contrast checker → · Palette generator →