#313178#313178

#313178 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.7% C 0.118 H 278.6°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#313178
RGB	rgb(49, 49, 120)
HSL	hsl(240, 42%, 33%)
HSV	hsv(240, 59%, 47%)
CMYK	cmyk(59.2%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(24.34, 22.45, -40.77)
CIE-LCH	lch(24.34, 46.54, 298.84°)
OKLab	oklab(35.68% 0.0176 -0.1169)
OKLCH	oklch(35.68% 0.118 278.6)
XYZ	xyz(5.7540, 4.2053, 18.2741)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313178 #787831

analogous

#315478 #313178 #543178

triadic

#313178 #783131 #317831

tetradic

#313178 #783154 #787831 #317854

square

#313178 #783154 #787831 #317854

split-complementary

#313178 #785431 #547831

monochromatic

#0E0E21 #1F1F4D #313178 #4343A3 #6464C0

Accessibility & contrast

On white

11.41

#313178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#313178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313178

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313178	#FFFFFF	#000000	##FFFFFF
##313178	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003777

Tritanopia (blue-blind)

#09424F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #313178;
/* rgb */ color: rgb(49, 49, 120);
/* oklch */ color: oklch(35.7% 0.118 278.6);

Tailwind

colors: {
  custom: {
    50: '#7069a0',
    500: '#313178',
    950: '#000000',
  },
}

SCSS

$custom: #313178;
$custom-light: #7069a0;
$custom-dark: #000000;

JSON

{
  "hex": "#313178",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 240,
    "s": 42.012,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35677,
    "c": 0.11822,
    "h": 278.6
  },
  "luminance": 0.04206
}

Semantic roles & 50–950 ramp

primary

#313178

secondary

#A7A75E

accent

#D256D2

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #313178

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

Preview Lab → · Contrast checker → · Palette generator →