#315EC7#315EC7

#315EC7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.171 H 263.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#315EC7
RGB	rgb(49, 94, 199)
HSL	hsl(222, 60%, 49%)
HSV	hsv(222, 75%, 78%)
CMYK	cmyk(75.4%, 52.8%, 0%, 22%)
CIE-LAB	lab(42.43, 21.75, -59.18)
CIE-LCH	lch(42.43, 63.05, 290.18°)
OKLab	oklab(51.14% -0.0183 -0.1704)
OKLCH	oklch(51.14% 0.171 263.9)
XYZ	xyz(15.5745, 12.7802, 55.6678)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EC7 #C79A31

analogous

#31A9C7 #315EC7 #4F31C7

triadic

#315EC7 #C7315E #5EC731

tetradic

#315EC7 #C731A9 #C79A31 #31C74F

square

#315EC7 #C731A9 #C79A31 #31C74F

split-complementary

#315EC7 #C74F31 #A9C731

monochromatic

#193065 #254796 #315EC7 #5E82D7 #8FA8E3

Accessibility & contrast

On white

5.90

#315EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#315EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EC7

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EC7	#FFFFFF	#000000	##FFFFFF
##315EC7	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116BCB

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315ec7;
/* rgb */ color: rgb(49, 94, 199);
/* oklch */ color: oklch(51.1% 0.171 263.9);

Tailwind

colors: {
  custom: {
    50: '#7e8bd9',
    500: '#315ec7',
    950: '#000000',
  },
}

SCSS

$custom: #315ec7;
$custom-light: #7e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#315ec7",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 199
  },
  "hsl": {
    "h": 222,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51138,
    "c": 0.17141,
    "h": 263.9
  },
  "luminance": 0.12782
}

Semantic roles & 50–950 ramp

primary

#315EC7

secondary

#CEB886

accent

#B444E4

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #315EC7

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

Preview Lab → · Contrast checker → · Palette generator →