#313273#313273

#313273 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.5% C 0.109 H 278.6°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#313273
RGB	rgb(49, 50, 115)
HSL	hsl(239, 40%, 32%)
HSV	hsv(239, 57%, 45%)
CMYK	cmyk(57.4%, 56.5%, 0%, 54.9%)
CIE-LAB	lab(24.23, 20.00, -37.76)
CIE-LCH	lch(24.23, 42.73, 297.90°)
OKLab	oklab(35.48% 0.0163 -0.108)
OKLCH	oklch(35.48% 0.109 278.6)
XYZ	xyz(5.5008, 4.1716, 16.7317)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313273 #737231

analogous

#315373 #313273 #513173

triadic

#313273 #733132 #327331

tetradic

#313273 #733153 #737231 #317351

square

#313273 #733153 #737231 #317351

split-complementary

#313273 #735131 #537331

monochromatic

#0C0D1D #1F1F48 #313273 #43459E #6264BC

Accessibility & contrast

On white

11.45

#313273 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#313273 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313273

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313273	#FFFFFF	#000000	##FFFFFF
##313273	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3C75

Deuteranopia (green-blind)

#003772

Tritanopia (blue-blind)

#11414D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313273;
/* rgb */ color: rgb(49, 50, 115);
/* oklch */ color: oklch(35.5% 0.109 278.6);

Tailwind

colors: {
  custom: {
    50: '#6f699c',
    500: '#313273',
    950: '#000000',
  },
}

SCSS

$custom: #313273;
$custom-light: #6f699c;
$custom-dark: #000000;

JSON

{
  "hex": "#313273",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 115
  },
  "hsl": {
    "h": 239.091,
    "s": 40.244,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35476,
    "c": 0.10927,
    "h": 278.6
  },
  "luminance": 0.04172
}

Semantic roles & 50–950 ramp

primary

#313273

secondary

#A4A35C

accent

#CE58D0

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313273

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

Preview Lab → · Contrast checker → · Palette generator →