#313D95#313D95

#313D95 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.144 H 272.4°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#313D95
RGB	rgb(49, 61, 149)
HSL	hsl(233, 51%, 39%)
HSV	hsv(233, 67%, 58%)
CMYK	cmyk(67.1%, 59.1%, 0%, 41.6%)
CIE-LAB	lab(29.81, 24.88, -49.95)
CIE-LCH	lch(29.81, 55.81, 296.48°)
OKLab	oklab(40.47% 0.006 -0.1438)
OKLCH	oklch(40.47% 0.144 272.4)
XYZ	xyz(8.3584, 6.1596, 29.1764)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D95 #958931

analogous

#316F95 #313D95 #573195

triadic

#313D95 #95313D #3D9531

tetradic

#313D95 #95316F #958931 #319557

square

#313D95 #95316F #958931 #319557

split-complementary

#313D95 #955731 #6F9531

monochromatic

#131739 #222A67 #313D95 #4251C1 #707CD0

Accessibility & contrast

On white

9.41

#313D95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#313D95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D95

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D95	#FFFFFF	#000000	##FFFFFF
##313D95	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B98

Deuteranopia (green-blind)

#004293

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #313d95;
/* rgb */ color: rgb(49, 61, 149);
/* oklch */ color: oklch(40.5% 0.144 272.4);

Tailwind

colors: {
  custom: {
    50: '#7572b5',
    500: '#313d95',
    950: '#000000',
  },
}

SCSS

$custom: #313d95;
$custom-light: #7572b5;
$custom-dark: #000000;

JSON

{
  "hex": "#313d95",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 149
  },
  "hsl": {
    "h": 232.8,
    "s": 50.505,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40465,
    "c": 0.14391,
    "h": 272.4
  },
  "luminance": 0.0616
}

Semantic roles & 50–950 ramp

primary

#313D95

secondary

#B8AE6A

accent

#C94EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #313D95

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

Preview Lab → · Contrast checker → · Palette generator →