#315FCF#315FCF

#315FCF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.181 H 264.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#315FCF
RGB	rgb(49, 95, 207)
HSL	hsl(223, 62%, 50%)
HSV	hsv(223, 76%, 81%)
CMYK	cmyk(76.3%, 54.1%, 0%, 18.8%)
CIE-LAB	lab(43.27, 24.10, -62.43)
CIE-LCH	lch(43.27, 66.92, 291.11°)
OKLab	oklab(51.96% -0.0183 -0.18)
OKLCH	oklch(51.96% 0.181 264.2)
XYZ	xyz(16.6173, 13.3405, 60.7186)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315FCF #CFA131

analogous

#31AECF #315FCF #5231CF

triadic

#315FCF #CF315F #5FCF31

tetradic

#315FCF #CF31AE #CFA131 #31CF52

square

#315FCF #CF31AE #CFA131 #31CF52

split-complementary

#315FCF #CF5231 #AECF31

monochromatic

#19316C #25489E #315FCF #6386DB #94ACE6

Accessibility & contrast

On white

5.72

#315FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#315FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315FCF

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315FCF	#FFFFFF	#000000	##FFFFFF
##315FCF	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #315fcf;
/* rgb */ color: rgb(49, 95, 207);
/* oklch */ color: oklch(52.0% 0.181 264.2);

Tailwind

colors: {
  custom: {
    50: '#808bde',
    500: '#315fcf',
    950: '#000000',
  },
}

SCSS

$custom: #315fcf;
$custom-light: #808bde;
$custom-dark: #000000;

JSON

{
  "hex": "#315fcf",
  "rgb": {
    "r": 49,
    "g": 95,
    "b": 207
  },
  "hsl": {
    "h": 222.532,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51957,
    "c": 0.18089,
    "h": 264.2
  },
  "luminance": 0.13342
}

Semantic roles & 50–950 ramp

primary

#315FCF

secondary

#D1BD8B

accent

#B643E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #315FCF

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

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