#315DD4#315DD4

#315DD4 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.190 H 265.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#315DD4
RGB	rgb(49, 93, 212)
HSL	hsl(224, 65%, 51%)
HSV	hsv(224, 77%, 83%)
CMYK	cmyk(76.9%, 56.1%, 0%, 16.9%)
CIE-LAB	lab(43.11, 27.25, -65.55)
CIE-LCH	lch(43.11, 70.99, 292.57°)
OKLab	oklab(51.95% -0.0166 -0.1892)
OKLCH	oklch(51.95% 0.19 265)
XYZ	xyz(17.0604, 13.2332, 63.9297)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DD4 #D4A831

analogous

#31AED4 #315DD4 #5631D4

triadic

#315DD4 #D4315D #5DD431

tetradic

#315DD4 #D431AE #D4A831 #31D456

square

#315DD4 #D431AE #D4A831 #31D456

split-complementary

#315DD4 #D45631 #AED431

monochromatic

#183073 #2346A5 #315DD4 #6485DF #96ADE9

Accessibility & contrast

On white

5.76

#315DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#315DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DD4

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DD4	#FFFFFF	#000000	##FFFFFF
##315DD4	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED8

Deuteranopia (green-blind)

#005FD2

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #315dd4;
/* rgb */ color: rgb(49, 93, 212);
/* oklch */ color: oklch(52.0% 0.190 265.0);

Tailwind

colors: {
  custom: {
    50: '#818ae2',
    500: '#315dd4',
    950: '#000000',
  },
}

SCSS

$custom: #315dd4;
$custom-light: #818ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#315dd4",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 212
  },
  "hsl": {
    "h": 223.804,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51953,
    "c": 0.18992,
    "h": 265
  },
  "luminance": 0.13235
}

Semantic roles & 50–950 ramp

primary

#315DD4

secondary

#D4C18C

accent

#BB3FE8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #315DD4

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

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