#313497#313497

#313497 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.158 H 274.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#313497
RGB	rgb(49, 52, 151)
HSL	hsl(238, 51%, 39%)
HSV	hsv(238, 68%, 59%)
CMYK	cmyk(67.5%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(27.69, 31.52, -54.64)
CIE-LCH	lch(27.69, 63.08, 299.98°)
OKLab	oklab(38.95% 0.0136 -0.1576)
OKLCH	oklch(38.95% 0.158 274.9)
XYZ	xyz(8.0787, 5.3426, 29.8776)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313497 #979431

analogous

#316797 #313497 #613197

triadic

#313497 #973134 #349731

tetradic

#313497 #973167 #979431 #319761

square

#313497 #973167 #979431 #319761

split-complementary

#313497 #976131 #679731

monochromatic

#13143B #222469 #313497 #4347C2 #7174D1

Accessibility & contrast

On white

10.15

#313497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#313497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313497

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313497	#FFFFFF	#000000	##FFFFFF
##313497	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #313497;
/* rgb */ color: rgb(49, 52, 151);
/* oklch */ color: oklch(39.0% 0.158 274.9);

Tailwind

colors: {
  custom: {
    50: '#766cb6',
    500: '#313497',
    950: '#000000',
  },
}

SCSS

$custom: #313497;
$custom-light: #766cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#313497",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 238.235,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38952,
    "c": 0.1582,
    "h": 274.9
  },
  "luminance": 0.05343
}

Semantic roles & 50–950 ramp

primary

#313497

secondary

#B9B76B

accent

#D64DDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313497

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

Preview Lab → · Contrast checker → · Palette generator →