#315ECC#315ECC

#315ECC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.178 H 264.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#315ECC
RGB	rgb(49, 94, 204)
HSL	hsl(223, 61%, 50%)
HSV	hsv(223, 76%, 80%)
CMYK	cmyk(76%, 53.9%, 0%, 20%)
CIE-LAB	lab(42.79, 23.63, -61.49)
CIE-LCH	lch(42.79, 65.87, 291.02°)
OKLab	oklab(51.52% -0.0178 -0.1772)
OKLCH	oklch(51.52% 0.178 264.2)
XYZ	xyz(16.1645, 13.0162, 58.7755)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315ECC #CC9F31

analogous

#31ABCC #315ECC #5231CC

triadic

#315ECC #CC315E #5ECC31

tetradic

#315ECC #CC31AB #CC9F31 #31CC52

square

#315ECC #CC31AB #CC9F31 #31CC52

split-complementary

#315ECC #CC5231 #ABCC31

monochromatic

#193169 #25479B #315ECC #6184D9 #92AAE5

Accessibility & contrast

On white

5.83

#315ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#315ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315ECC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315ECC	#FFFFFF	#000000	##FFFFFF
##315ECC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #315ecc;
/* rgb */ color: rgb(49, 94, 204);
/* oklch */ color: oklch(51.5% 0.178 264.2);

Tailwind

colors: {
  custom: {
    50: '#7f8bdc',
    500: '#315ecc',
    950: '#000000',
  },
}

SCSS

$custom: #315ecc;
$custom-light: #7f8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#315ecc",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 222.581,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51522,
    "c": 0.17812,
    "h": 264.2
  },
  "luminance": 0.13018
}

Semantic roles & 50–950 ramp

primary

#315ECC

secondary

#D0BB89

accent

#B643E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #315ECC

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

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