#315CCA#315CCA

#315CCA is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.178 H 264.7°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#315CCA
RGB	rgb(49, 92, 202)
HSL	hsl(223, 61%, 49%)
HSV	hsv(223, 76%, 79%)
CMYK	cmyk(75.7%, 54.5%, 0%, 20.8%)
CIE-LAB	lab(42.11, 24.17, -61.44)
CIE-LCH	lch(42.11, 66.02, 291.48°)
OKLab	oklab(50.96% -0.0165 -0.1771)
OKLCH	oklch(50.96% 0.178 264.7)
XYZ	xyz(15.7507, 12.5698, 57.4618)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315CCA #CA9F31

analogous

#31A9CA #315CCA #5231CA

triadic

#315CCA #CA315C #5CCA31

tetradic

#315CCA #CA31A9 #CA9F31 #31CA52

square

#315CCA #CA31A9 #CA9F31 #31CA52

split-complementary

#315CCA #CA5231 #A9CA31

monochromatic

#192F67 #254699 #315CCA #6082D8 #91A8E4

Accessibility & contrast

On white

5.98

#315CCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#315CCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315CCA

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315CCA	#FFFFFF	#000000	##FFFFFF
##315CCA	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #315cca;
/* rgb */ color: rgb(49, 92, 202);
/* oklch */ color: oklch(51.0% 0.178 264.7);

Tailwind

colors: {
  custom: {
    50: '#7f89db',
    500: '#315cca',
    950: '#000000',
  },
}

SCSS

$custom: #315cca;
$custom-light: #7f89db;
$custom-dark: #000000;

JSON

{
  "hex": "#315cca",
  "rgb": {
    "r": 49,
    "g": 92,
    "b": 202
  },
  "hsl": {
    "h": 223.137,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50962,
    "c": 0.17787,
    "h": 264.7
  },
  "luminance": 0.12572
}

Semantic roles & 50–950 ramp

primary

#315CCA

secondary

#CFBB88

accent

#B744E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315CCA

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

Preview Lab → · Contrast checker → · Palette generator →