#313EAE#313EAE

#313EAE is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.177 H 271.5°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#313EAE
RGB	rgb(49, 62, 174)
HSL	hsl(234, 56%, 44%)
HSV	hsv(234, 72%, 68%)
CMYK	cmyk(71.8%, 64.4%, 0%, 31.8%)
CIE-LAB	lab(32.15, 33.32, -61.23)
CIE-LCH	lch(32.15, 69.71, 298.55°)
OKLab	oklab(42.85% 0.0046 -0.1769)
OKLCH	oklch(42.85% 0.177 271.5)
XYZ	xyz(10.6266, 7.1531, 40.8569)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313EAE #AEA131

analogous

#317CAE #313EAE #6231AE

triadic

#313EAE #AE313E #3EAE31

tetradic

#313EAE #AE317C #AEA131 #31AE62

square

#313EAE #AE317C #AEA131 #31AE62

split-complementary

#313EAE #AE6231 #7CAE31

monochromatic

#161C4E #242D7E #313EAE #4F5CCD #7F88DB

Accessibility & contrast

On white

8.64

#313EAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#313EAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313EAE

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313EAE	#FFFFFF	#000000	##FFFFFF
##313EAE	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0046AC

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #313eae;
/* rgb */ color: rgb(49, 62, 174);
/* oklch */ color: oklch(42.8% 0.177 271.5);

Tailwind

colors: {
  custom: {
    50: '#7b73c7',
    500: '#313eae',
    950: '#000000',
  },
}

SCSS

$custom: #313eae;
$custom-light: #7b73c7;
$custom-dark: #000000;

JSON

{
  "hex": "#313eae",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 174
  },
  "hsl": {
    "h": 233.76,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42845,
    "c": 0.17695,
    "h": 271.5
  },
  "luminance": 0.07154
}

Semantic roles & 50–950 ramp

primary

#313EAE

secondary

#C4BC77

accent

#D048DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #313EAE

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

Preview Lab → · Contrast checker → · Palette generator →