#313170#313170

#313170 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 35.0% C 0.106 H 279.4°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#313170
RGB	rgb(49, 49, 112)
HSL	hsl(240, 39%, 32%)
HSV	hsv(240, 56%, 44%)
CMYK	cmyk(56.3%, 56.3%, 0%, 56.1%)
CIE-LAB	lab(23.73, 19.62, -36.64)
CIE-LCH	lch(23.73, 41.56, 298.16°)
OKLab	oklab(35.03% 0.0174 -0.1048)
OKLCH	oklch(35.03% 0.106 279.4)
XYZ	xyz(5.2887, 4.0191, 15.8232)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313170 #707031

analogous

#315170 #313170 #513170

triadic

#313170 #703131 #317031

tetradic

#313170 #703151 #707031 #317051

square

#313170 #703151 #707031 #317051

split-complementary

#313170 #705131 #517031

monochromatic

#0C0C1B #1E1E45 #313170 #44449B #6161BA

Accessibility & contrast

On white

11.64

#313170 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#313170 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313170

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313170	#FFFFFF	#000000	##FFFFFF
##313170	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3B72

Deuteranopia (green-blind)

#03366F

Tritanopia (blue-blind)

#143F4B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #313170;
/* rgb */ color: rgb(49, 49, 112);
/* oklch */ color: oklch(35.0% 0.106 279.4);

Tailwind

colors: {
  custom: {
    50: '#6f6999',
    500: '#313170',
    950: '#000000',
  },
}

SCSS

$custom: #313170;
$custom-light: #6f6999;
$custom-dark: #000000;

JSON

{
  "hex": "#313170",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 112
  },
  "hsl": {
    "h": 240,
    "s": 39.13,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35035,
    "c": 0.10619,
    "h": 279.4
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#313170

secondary

#A1A15C

accent

#CF59CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313170

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

Preview Lab → · Contrast checker → · Palette generator →