#313773#313773

#313773 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.5% C 0.102 H 275.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#313773
RGB	rgb(49, 55, 115)
HSL	hsl(235, 40%, 32%)
HSV	hsv(235, 57%, 45%)
CMYK	cmyk(57.4%, 52.2%, 0%, 54.9%)
CIE-LAB	lab(25.63, 16.56, -35.51)
CIE-LCH	lch(25.63, 39.18, 295.01°)
OKLab	oklab(36.53% 0.0104 -0.1014)
OKLCH	oklch(36.53% 0.102 275.8)
XYZ	xyz(5.7263, 4.6228, 16.8069)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313773 #736D31

analogous

#315873 #313773 #4C3173

triadic

#313773 #733137 #377331

tetradic

#313773 #733158 #736D31 #31734C

square

#313773 #733158 #736D31 #31734C

split-complementary

#313773 #734C31 #587331

monochromatic

#0C0E1D #1F2248 #313773 #434C9E #626ABC

Accessibility & contrast

On white

10.91

#313773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#313773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313773

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313773	#FFFFFF	#000000	##FFFFFF
##313773	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194075

Deuteranopia (green-blind)

#103A72

Tritanopia (blue-blind)

#10444F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313773;
/* rgb */ color: rgb(49, 55, 115);
/* oklch */ color: oklch(36.5% 0.102 275.8);

Tailwind

colors: {
  custom: {
    50: '#6f6d9c',
    500: '#313773',
    950: '#000000',
  },
}

SCSS

$custom: #313773;
$custom-light: #6f6d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#313773",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 115
  },
  "hsl": {
    "h": 234.545,
    "s": 40.244,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36529,
    "c": 0.10189,
    "h": 275.8
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#313773

secondary

#A49D5C

accent

#C558D0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #313773

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

Preview Lab → · Contrast checker → · Palette generator →