#313BAE#313BAE

#313BAE is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.180 H 272.1°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#313BAE
RGB	rgb(49, 59, 174)
HSL	hsl(235, 56%, 44%)
HSV	hsv(235, 72%, 68%)
CMYK	cmyk(71.8%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(31.43, 35.23, -62.42)
CIE-LCH	lch(31.43, 71.67, 299.44°)
OKLab	oklab(42.32% 0.0066 -0.1804)
OKLCH	oklch(42.32% 0.18 272.1)
XYZ	xyz(10.4680, 6.8358, 40.8040)
Luminance	0.0684 (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

#313BAE #AEA431

analogous

#3179AE #313BAE #6531AE

triadic

#313BAE #AE313B #3BAE31

tetradic

#313BAE #AE3179 #AEA431 #31AE65

square

#313BAE #AE3179 #AEA431 #31AE65

split-complementary

#313BAE #AE6531 #79AE31

monochromatic

#161B4E #242B7E #313BAE #4F59CD #7F86DB

Accessibility & contrast

On white

8.87

#313BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#313BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313BAE

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313BAE	#FFFFFF	#000000	##FFFFFF
##313BAE	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B2

Deuteranopia (green-blind)

#0044AC

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #313bae;
/* rgb */ color: rgb(49, 59, 174);
/* oklch */ color: oklch(42.3% 0.180 272.1);

Tailwind

colors: {
  custom: {
    50: '#7b71c7',
    500: '#313bae',
    950: '#000000',
  },
}

SCSS

$custom: #313bae;
$custom-light: #7b71c7;
$custom-dark: #000000;

JSON

{
  "hex": "#313bae",
  "rgb": {
    "r": 49,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 235.2,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42316,
    "c": 0.18049,
    "h": 272.1
  },
  "luminance": 0.06837
}

Semantic roles & 50–950 ramp

primary

#313BAE

secondary

#C4BE77

accent

#D348DF

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #313BAE

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

Preview Lab → · Contrast checker → · Palette generator →