#313ABF#313ABF

#313ABF is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.8% C 0.203 H 271.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#313ABF
RGB	rgb(49, 58, 191)
HSL	hsl(236, 59%, 47%)
HSV	hsv(236, 74%, 75%)
CMYK	cmyk(74.3%, 69.6%, 0%, 25.1%)
CIE-LAB	lab(32.79, 41.80, -70.26)
CIE-LCH	lch(32.79, 81.75, 300.75°)
OKLab	oklab(43.78% 0.0055 -0.2033)
OKLCH	oklch(43.78% 0.203 271.5)
XYZ	xyz(12.1805, 7.4394, 50.0741)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313ABF #BFB631

analogous

#3181BF #313ABF #6F31BF

triadic

#313ABF #BF313A #3ABF31

tetradic

#313ABF #BF3181 #BFB631 #31BF6F

square

#313ABF #BF3181 #BFB631 #31BF6F

split-complementary

#313ABF #BF6F31 #81BF31

monochromatic

#181C5E #252B8E #313ABF #5961D4 #8A8FE1

Accessibility & contrast

On white

8.44

#313ABF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#313ABF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313ABF

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313ABF	#FFFFFF	#000000	##FFFFFF
##313ABF	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0046BD

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #313abf;
/* rgb */ color: rgb(49, 58, 191);
/* oklch */ color: oklch(43.8% 0.203 271.5);

Tailwind

colors: {
  custom: {
    50: '#7f71d4',
    500: '#313abf',
    950: '#000000',
  },
}

SCSS

$custom: #313abf;
$custom-light: #7f71d4;
$custom-dark: #000000;

JSON

{
  "hex": "#313abf",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 191
  },
  "hsl": {
    "h": 236.197,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43782,
    "c": 0.20337,
    "h": 271.5
  },
  "luminance": 0.07441
}

Semantic roles & 50–950 ramp

primary

#313ABF

secondary

#CBC681

accent

#D845E2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #313ABF

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

Preview Lab → · Contrast checker → · Palette generator →