#315BC8#315BC8

#315BC8 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.176 H 264.8°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#315BC8
RGB	rgb(49, 91, 200)
HSL	hsl(223, 61%, 49%)
HSV	hsv(223, 76%, 78%)
CMYK	cmyk(75.5%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(41.69, 24.07, -60.95)
CIE-LCH	lch(41.69, 65.53, 291.55°)
OKLab	oklab(50.6% -0.0159 -0.1757)
OKLCH	oklch(50.6% 0.176 264.8)
XYZ	xyz(15.4293, 12.3035, 56.1940)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BC8 #C89E31

analogous

#31A7C8 #315BC8 #5231C8

triadic

#315BC8 #C8315B #5BC831

tetradic

#315BC8 #C831A7 #C89E31 #31C852

square

#315BC8 #C831A7 #C89E31 #31C852

split-complementary

#315BC8 #C85231 #A7C831

monochromatic

#192E66 #254597 #315BC8 #5F80D8 #90A7E4

Accessibility & contrast

On white

6.07

#315BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#315BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BC8

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BC8	#FFFFFF	#000000	##FFFFFF
##315BC8	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#005CC6

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315bc8;
/* rgb */ color: rgb(49, 91, 200);
/* oklch */ color: oklch(50.6% 0.176 264.8);

Tailwind

colors: {
  custom: {
    50: '#7f88d9',
    500: '#315bc8',
    950: '#000000',
  },
}

SCSS

$custom: #315bc8;
$custom-light: #7f88d9;
$custom-dark: #000000;

JSON

{
  "hex": "#315bc8",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 223.311,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50604,
    "c": 0.17641,
    "h": 264.8
  },
  "luminance": 0.12305
}

Semantic roles & 50–950 ramp

primary

#315BC8

secondary

#CEBA86

accent

#B744E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315BC8

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

Preview Lab → · Contrast checker → · Palette generator →