#315DCC#315DCC

#315DCC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.179 H 264.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#315DCC
RGB	rgb(49, 93, 204)
HSL	hsl(223, 61%, 50%)
HSV	hsv(223, 76%, 80%)
CMYK	cmyk(76%, 54.4%, 0%, 20%)
CIE-LAB	lab(42.52, 24.27, -61.92)
CIE-LCH	lch(42.52, 66.51, 291.40°)
OKLab	oklab(51.32% -0.0171 -0.1785)
OKLCH	oklch(51.32% 0.179 264.5)
XYZ	xyz(16.0762, 12.8395, 58.7460)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DCC #CCA031

analogous

#31ABCC #315DCC #5331CC

triadic

#315DCC #CC315D #5DCC31

tetradic

#315DCC #CC31AB #CCA031 #31CC53

square

#315DCC #CC31AB #CCA031 #31CC53

split-complementary

#315DCC #CC5331 #ABCC31

monochromatic

#193069 #25479B #315DCC #6183D9 #92AAE5

Accessibility & contrast

On white

5.89

#315DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#315DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DCC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DCC	#FFFFFF	#000000	##FFFFFF
##315DCC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315dcc;
/* rgb */ color: rgb(49, 93, 204);
/* oklch */ color: oklch(51.3% 0.179 264.5);

Tailwind

colors: {
  custom: {
    50: '#7f8adc',
    500: '#315dcc',
    950: '#000000',
  },
}

SCSS

$custom: #315dcc;
$custom-light: #7f8adc;
$custom-dark: #000000;

JSON

{
  "hex": "#315dcc",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 204
  },
  "hsl": {
    "h": 222.968,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5132,
    "c": 0.17933,
    "h": 264.5
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary

#315DCC

secondary

#D0BC89

accent

#B743E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315DCC

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

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