#313498#313498

#313498 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.160 H 274.8°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#313498
RGB	rgb(49, 52, 152)
HSL	hsl(238, 51%, 39%)
HSV	hsv(238, 68%, 60%)
CMYK	cmyk(67.8%, 65.8%, 0%, 40.4%)
CIE-LAB	lab(27.78, 31.88, -55.11)
CIE-LCH	lch(27.78, 63.66, 300.05°)
OKLab	oklab(39.05% 0.0135 -0.159)
OKLCH	oklch(39.05% 0.16 274.8)
XYZ	xyz(8.1602, 5.3752, 30.3072)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313498 #989531

analogous

#316898 #313498 #613198

triadic

#313498 #983134 #349831

tetradic

#313498 #983168 #989531 #319861

square

#313498 #983168 #989531 #319861

split-complementary

#313498 #986131 #689831

monochromatic

#13143B #22246A #313498 #4447C3 #7275D2

Accessibility & contrast

On white

10.12

#313498 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#313498 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313498

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313498	#FFFFFF	#000000	##FFFFFF
##313498	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469B

Deuteranopia (green-blind)

#003D96

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313498;
/* rgb */ color: rgb(49, 52, 152);
/* oklch */ color: oklch(39.0% 0.160 274.8);

Tailwind

colors: {
  custom: {
    50: '#776cb7',
    500: '#313498',
    950: '#000000',
  },
}

SCSS

$custom: #313498;
$custom-light: #776cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#313498",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 152
  },
  "hsl": {
    "h": 238.252,
    "s": 51.244,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39045,
    "c": 0.15956,
    "h": 274.8
  },
  "luminance": 0.05376
}

Semantic roles & 50–950 ramp

primary

#313498

secondary

#B9B76B

accent

#D74DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313498

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

Preview Lab → · Contrast checker → · Palette generator →