#315EC3#315EC3

#315EC3 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.166 H 263.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#315EC3
RGB	rgb(49, 94, 195)
HSL	hsl(222, 60%, 48%)
HSV	hsv(222, 75%, 76%)
CMYK	cmyk(74.9%, 51.8%, 0%, 23.5%)
CIE-LAB	lab(42.15, 20.25, -57.32)
CIE-LCH	lch(42.15, 60.79, 289.46°)
OKLab	oklab(50.84% -0.0187 -0.165)
OKLCH	oklch(50.84% 0.166 263.5)
XYZ	xyz(15.1161, 12.5968, 53.2539)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EC3 #C39631

analogous

#31A7C3 #315EC3 #4D31C3

triadic

#315EC3 #C3315E #5EC331

tetradic

#315EC3 #C331A7 #C39631 #31C34D

square

#315EC3 #C331A7 #C39631 #31C34D

split-complementary

#315EC3 #C34D31 #A7C331

monochromatic

#182F61 #254692 #315EC3 #5B81D6 #8CA7E2

Accessibility & contrast

On white

5.97

#315EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#315EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EC3

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EC3	#FFFFFF	#000000	##FFFFFF
##315EC3	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6BC7

Deuteranopia (green-blind)

#005DC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315ec3;
/* rgb */ color: rgb(49, 94, 195);
/* oklch */ color: oklch(50.8% 0.166 263.5);

Tailwind

colors: {
  custom: {
    50: '#7d8bd6',
    500: '#315ec3',
    950: '#000000',
  },
}

SCSS

$custom: #315ec3;
$custom-light: #7d8bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#315ec3",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 195
  },
  "hsl": {
    "h": 221.507,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50836,
    "c": 0.16602,
    "h": 263.5
  },
  "luminance": 0.12599
}

Semantic roles & 50–950 ramp

primary

#315EC3

secondary

#CCB683

accent

#B245E3

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #315EC3

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

Preview Lab → · Contrast checker → · Palette generator →