#313173#313173

#313173 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.3% C 0.111 H 279.1°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#313173
RGB	rgb(49, 49, 115)
HSL	hsl(240, 40%, 32%)
HSV	hsv(240, 57%, 45%)
CMYK	cmyk(57.4%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(23.96, 20.68, -38.20)
CIE-LCH	lch(23.96, 43.44, 298.43°)
OKLab	oklab(35.27% 0.0175 -0.1093)
OKLCH	oklch(35.27% 0.111 279.1)
XYZ	xyz(5.4585, 4.0870, 16.7176)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313173 #737331

analogous

#315273 #313173 #523173

triadic

#313173 #733131 #317331

tetradic

#313173 #733152 #737331 #317352

square

#313173 #733152 #737331 #317352

split-complementary

#313173 #735231 #527331

monochromatic

#0C0C1D #1F1F48 #313173 #43439E #6262BC

Accessibility & contrast

On white

11.55

#313173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#313173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313173

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313173	#FFFFFF	#000000	##FFFFFF
##313173	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063C75

Deuteranopia (green-blind)

#003672

Tritanopia (blue-blind)

#11404D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #313173;
/* rgb */ color: rgb(49, 49, 115);
/* oklch */ color: oklch(35.3% 0.111 279.1);

Tailwind

colors: {
  custom: {
    50: '#6f699c',
    500: '#313173',
    950: '#000000',
  },
}

SCSS

$custom: #313173;
$custom-light: #6f699c;
$custom-dark: #000000;

JSON

{
  "hex": "#313173",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 240,
    "s": 40.244,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35272,
    "c": 0.11074,
    "h": 279.1
  },
  "luminance": 0.04087
}

Semantic roles & 50–950 ramp

primary

#313173

secondary

#A4A45C

accent

#D058D0

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313173

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

Preview Lab → · Contrast checker → · Palette generator →