#315DCA#315DCA

#315DCA is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.2% C 0.177 H 264.4°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#315DCA
RGB	rgb(49, 93, 202)
HSL	hsl(223, 61%, 49%)
HSV	hsv(223, 76%, 79%)
CMYK	cmyk(75.7%, 54%, 0%, 20.8%)
CIE-LAB	lab(42.38, 23.52, -61.00)
CIE-LCH	lch(42.38, 65.38, 291.09°)
OKLab	oklab(51.16% -0.0173 -0.1758)
OKLCH	oklch(51.16% 0.177 264.4)
XYZ	xyz(15.8379, 12.7442, 57.4908)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DCA #CA9E31

analogous

#31AACA #315DCA #5231CA

triadic

#315DCA #CA315D #5DCA31

tetradic

#315DCA #CA31AA #CA9E31 #31CA52

square

#315DCA #CA31AA #CA9E31 #31CA52

split-complementary

#315DCA #CA5231 #AACA31

monochromatic

#193067 #254699 #315DCA #6082D8 #91A9E4

Accessibility & contrast

On white

5.92

#315DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#315DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DCA

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DCA	#FFFFFF	#000000	##FFFFFF
##315DCA	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #315dca;
/* rgb */ color: rgb(49, 93, 202);
/* oklch */ color: oklch(51.2% 0.177 264.4);

Tailwind

colors: {
  custom: {
    50: '#7f8adb',
    500: '#315dca',
    950: '#000000',
  },
}

SCSS

$custom: #315dca;
$custom-light: #7f8adb;
$custom-dark: #000000;

JSON

{
  "hex": "#315dca",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 222.745,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51164,
    "c": 0.17666,
    "h": 264.4
  },
  "luminance": 0.12746
}

Semantic roles & 50–950 ramp

primary

#315DCA

secondary

#CFBB88

accent

#B644E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315DCA

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

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