#313091#313091

#313091 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.155 H 276.4°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#313091
RGB	rgb(49, 48, 145)
HSL	hsl(241, 50%, 38%)
HSV	hsv(241, 67%, 57%)
CMYK	cmyk(66.2%, 66.9%, 0%, 43.1%)
CIE-LAB	lab(26.19, 31.97, -53.41)
CIE-LCH	lch(26.19, 62.24, 300.91°)
OKLab	oklab(37.69% 0.0173 -0.154)
OKLCH	oklch(37.69% 0.155 276.4)
XYZ	xyz(7.4327, 4.8106, 27.3194)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313091 #909130

analogous

#305F91 #313091 #623091

triadic

#313091 #913130 #309131

tetradic

#313091 #91305F #909130 #309162

square

#313091 #91305F #909130 #309162

split-complementary

#313091 #916230 #5F9130

monochromatic

#121235 #212163 #313091 #413FBF #6E6DCF

Accessibility & contrast

On white

10.70

#313091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#313091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313091

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313091	#FFFFFF	#000000	##FFFFFF
##313091	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313091;
/* rgb */ color: rgb(49, 48, 145);
/* oklch */ color: oklch(37.7% 0.155 276.4);

Tailwind

colors: {
  custom: {
    50: '#7669b2',
    500: '#313091',
    950: '#000000',
  },
}

SCSS

$custom: #313091;
$custom-light: #7669b2;
$custom-dark: #000000;

JSON

{
  "hex": "#313091",
  "rgb": {
    "r": 49,
    "g": 48,
    "b": 145
  },
  "hsl": {
    "h": 240.619,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37693,
    "c": 0.155,
    "h": 276.4
  },
  "luminance": 0.04811
}

Semantic roles & 50–950 ramp

primary

#313091

secondary

#B5B667

accent

#DA4ED8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #313091

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

Preview Lab → · Contrast checker → · Palette generator →