#313271#313271

#313271 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.3% C 0.106 H 278.8°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#313271
RGB	rgb(49, 50, 113)
HSL	hsl(239, 40%, 32%)
HSV	hsv(239, 57%, 44%)
CMYK	cmyk(56.6%, 55.8%, 0%, 55.7%)
CIE-LAB	lab(24.08, 19.28, -36.72)
CIE-LCH	lch(24.08, 41.48, 297.71°)
OKLab	oklab(35.32% 0.0162 -0.105)
OKLCH	oklch(35.32% 0.106 278.8)
XYZ	xyz(5.3869, 4.1261, 16.1321)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313271 #717031

analogous

#315271 #313271 #503171

triadic

#313271 #713132 #327131

tetradic

#313271 #713152 #717031 #317150

square

#313271 #713152 #717031 #317150

split-complementary

#313271 #715031 #527131

monochromatic

#0C0C1C #1E1F46 #313271 #44459C #6263BB

Accessibility & contrast

On white

11.51

#313271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#313271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313271

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313271	#FFFFFF	#000000	##FFFFFF
##313271	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3C73

Deuteranopia (green-blind)

#043770

Tritanopia (blue-blind)

#13404C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #313271;
/* rgb */ color: rgb(49, 50, 113);
/* oklch */ color: oklch(35.3% 0.106 278.8);

Tailwind

colors: {
  custom: {
    50: '#6f699a',
    500: '#313271',
    950: '#000000',
  },
}

SCSS

$custom: #313271;
$custom-light: #6f699a;
$custom-dark: #000000;

JSON

{
  "hex": "#313271",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 113
  },
  "hsl": {
    "h": 239.063,
    "s": 39.506,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3532,
    "c": 0.10622,
    "h": 278.8
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#313271

secondary

#A2A15C

accent

#CE58CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313271

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

Preview Lab → · Contrast checker → · Palette generator →