#312DAE#312DAE

#312DAE is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.196 H 274.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#312DAE
RGB	rgb(49, 45, 174)
HSL	hsl(242, 59%, 43%)
HSV	hsv(242, 74%, 68%)
CMYK	cmyk(71.8%, 74.1%, 0%, 31.8%)
CIE-LAB	lab(28.34, 43.68, -67.50)
CIE-LCH	lch(28.34, 80.40, 302.91°)
OKLab	oklab(40.09% 0.015 -0.1952)
OKLCH	oklch(40.09% 0.196 274.4)
XYZ	xyz(9.8425, 5.5848, 40.5955)
Luminance	0.0559 (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

#312DAE #AAAE2D

analogous

#2D6AAE #312DAE #712DAE

triadic

#312DAE #AE312D #2DAE31

tetradic

#312DAE #AE2D6A #AAAE2D #2DAE71

square

#312DAE #AE2D6A #AAAE2D #2DAE71

split-complementary

#312DAE #AE712D #6AAE2D

monochromatic

#16144D #23207D #312DAE #4D48D0 #7C79DC

Accessibility & contrast

On white

9.92

#312DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#312DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312DAE

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312DAE	#FFFFFF	#000000	##FFFFFF
##312DAE	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B2

Deuteranopia (green-blind)

#003DAC

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #312dae;
/* rgb */ color: rgb(49, 45, 174);
/* oklch */ color: oklch(40.1% 0.196 274.4);

Tailwind

colors: {
  custom: {
    50: '#7c68c7',
    500: '#312dae',
    950: '#000000',
  },
}

SCSS

$custom: #312dae;
$custom-light: #7c68c7;
$custom-dark: #000000;

JSON

{
  "hex": "#312dae",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 174
  },
  "hsl": {
    "h": 241.86,
    "s": 58.904,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40091,
    "c": 0.19578,
    "h": 274.4
  },
  "luminance": 0.05586
}

Semantic roles & 50–950 ramp

primary

#312DAE

secondary

#C2C472

accent

#E246DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312DAE

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

Preview Lab → · Contrast checker → · Palette generator →