#313798#313798

#313798 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.156 H 274.1°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#313798
RGB	rgb(49, 55, 152)
HSL	hsl(237, 51%, 39%)
HSV	hsv(237, 68%, 60%)
CMYK	cmyk(67.8%, 63.8%, 0%, 40.4%)
CIE-LAB	lab(28.52, 29.93, -53.90)
CIE-LCH	lch(28.52, 61.65, 299.05°)
OKLab	oklab(39.59% 0.0111 -0.1554)
OKLCH	oklch(39.59% 0.156 274.1)
XYZ	xyz(8.2984, 5.6516, 30.3532)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313798 #989231

analogous

#316B98 #313798 #5F3198

triadic

#313798 #983137 #379831

tetradic

#313798 #98316B #989231 #31985F

square

#313798 #98316B #989231 #31985F

split-complementary

#313798 #985F31 #6B9831

monochromatic

#13163B #22266A #313798 #444BC3 #7277D2

Accessibility & contrast

On white

9.86

#313798 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#313798 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313798

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313798	#FFFFFF	#000000	##FFFFFF
##313798	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489B

Deuteranopia (green-blind)

#003F96

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #313798;
/* rgb */ color: rgb(49, 55, 152);
/* oklch */ color: oklch(39.6% 0.156 274.1);

Tailwind

colors: {
  custom: {
    50: '#766eb7',
    500: '#313798',
    950: '#000000',
  },
}

SCSS

$custom: #313798;
$custom-light: #766eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#313798",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 152
  },
  "hsl": {
    "h": 236.505,
    "s": 51.244,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39585,
    "c": 0.15582,
    "h": 274.1
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#313798

secondary

#B9B56B

accent

#D24DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313798

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

Preview Lab → · Contrast checker → · Palette generator →