#315FCA#315FCA

#315FCA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.174 H 263.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#315FCA
RGB	rgb(49, 95, 202)
HSL	hsl(222, 61%, 49%)
HSV	hsv(222, 76%, 79%)
CMYK	cmyk(75.7%, 53%, 0%, 20.8%)
CIE-LAB	lab(42.91, 22.23, -60.13)
CIE-LCH	lch(42.91, 64.11, 290.29°)
OKLab	oklab(51.57% -0.0188 -0.1732)
OKLCH	oklch(51.57% 0.174 263.8)
XYZ	xyz(16.0157, 13.0999, 57.5501)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FCA #CA9C31

analogous

#31ACCA #315FCA #5031CA

triadic

#315FCA #CA315F #5FCA31

tetradic

#315FCA #CA31AC #CA9C31 #31CA50

square

#315FCA #CA31AC #CA9C31 #31CA50

split-complementary

#315FCA #CA5031 #ACCA31

monochromatic

#193167 #254899 #315FCA #6084D8 #91AAE4

Accessibility & contrast

On white

5.80

#315FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#315FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FCA

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FCA	#FFFFFF	#000000	##FFFFFF
##315FCA	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6DCE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#00798B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #315fca;
/* rgb */ color: rgb(49, 95, 202);
/* oklch */ color: oklch(51.6% 0.174 263.8);

Tailwind

colors: {
  custom: {
    50: '#7f8bdb',
    500: '#315fca',
    950: '#000000',
  },
}

SCSS

$custom: #315fca;
$custom-light: #7f8bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#315fca",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 221.961,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51572,
    "c": 0.17422,
    "h": 263.8
  },
  "luminance": 0.13102
}

Semantic roles & 50–950 ramp

primary

#315FCA

secondary

#CFBA88

accent

#B444E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #315FCA

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

Preview Lab → · Contrast checker → · Palette generator →