#313198#313198

#313198 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.5% C 0.163 H 275.6°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#313198
RGB	rgb(49, 49, 152)
HSL	hsl(240, 51%, 39%)
HSV	hsv(240, 68%, 60%)
CMYK	cmyk(67.8%, 67.8%, 0%, 40.4%)
CIE-LAB	lab(27.06, 33.79, -56.28)
CIE-LCH	lch(27.06, 65.64, 300.98°)
OKLab	oklab(38.52% 0.0158 -0.1624)
OKLCH	oklch(38.52% 0.163 275.6)
XYZ	xyz(8.0306, 5.1159, 30.2639)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313198 #989831

analogous

#316598 #313198 #653198

triadic

#313198 #983131 #319831

tetradic

#313198 #983165 #989831 #319865

square

#313198 #983165 #989831 #319865

split-complementary

#313198 #986531 #659831

monochromatic

#13133B #22226A #313198 #4444C3 #7272D2

Accessibility & contrast

On white

10.38

#313198 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#313198 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313198

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313198	#FFFFFF	#000000	##FFFFFF
##313198	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459B

Deuteranopia (green-blind)

#003B96

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313198;
/* rgb */ color: rgb(49, 49, 152);
/* oklch */ color: oklch(38.5% 0.163 275.6);

Tailwind

colors: {
  custom: {
    50: '#7769b7',
    500: '#313198',
    950: '#000000',
  },
}

SCSS

$custom: #313198;
$custom-light: #7769b7;
$custom-dark: #000000;

JSON

{
  "hex": "#313198",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 152
  },
  "hsl": {
    "h": 240,
    "s": 51.244,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38524,
    "c": 0.16321,
    "h": 275.6
  },
  "luminance": 0.05117
}

Semantic roles & 50–950 ramp

primary

#313198

secondary

#B9B96B

accent

#DB4DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #313198

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

Preview Lab → · Contrast checker → · Palette generator →