#313370#313370

#313370 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.5% C 0.103 H 278.3°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#313370
RGB	rgb(49, 51, 112)
HSL	hsl(238, 39%, 32%)
HSV	hsv(238, 56%, 44%)
CMYK	cmyk(56.3%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(24.29, 18.24, -35.75)
CIE-LCH	lch(24.29, 40.13, 297.04°)
OKLab	oklab(35.45% 0.0149 -0.1021)
OKLCH	oklch(35.45% 0.103 278.3)
XYZ	xyz(5.3742, 4.1901, 15.8517)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313370 #706E31

analogous

#315370 #313370 #4F3170

triadic

#313370 #703133 #337031

tetradic

#313370 #703153 #706E31 #31704F

square

#313370 #703153 #706E31 #31704F

split-complementary

#313370 #704F31 #537031

monochromatic

#0C0C1B #1E2045 #313370 #44469B #6164BA

Accessibility & contrast

On white

11.43

#313370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#313370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313370

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313370	#FFFFFF	#000000	##FFFFFF
##313370	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133C72

Deuteranopia (green-blind)

#09376F

Tritanopia (blue-blind)

#14414C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313370;
/* rgb */ color: rgb(49, 51, 112);
/* oklch */ color: oklch(35.5% 0.103 278.3);

Tailwind

colors: {
  custom: {
    50: '#6f6a99',
    500: '#313370',
    950: '#000000',
  },
}

SCSS

$custom: #313370;
$custom-light: #6f6a99;
$custom-dark: #000000;

JSON

{
  "hex": "#313370",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 238.095,
    "s": 39.13,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35451,
    "c": 0.10319,
    "h": 278.3
  },
  "luminance": 0.0419
}

Semantic roles & 50–950 ramp

primary

#313370

secondary

#A19F5C

accent

#CB59CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313370

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

Preview Lab → · Contrast checker → · Palette generator →