#303178#303178

#303178 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.6% C 0.118 H 277.9°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#303178
RGB	rgb(48, 49, 120)
HSL	hsl(239, 43%, 33%)
HSV	hsv(239, 60%, 47%)
CMYK	cmyk(60%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(24.26, 22.25, -40.90)
CIE-LCH	lch(24.26, 46.56, 298.54°)
OKLab	oklab(35.6% 0.0163 -0.1173)
OKLCH	oklch(35.6% 0.118 277.9)
XYZ	xyz(5.7063, 4.1807, 18.2719)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303178 #787730

analogous

#305578 #303178 #533078

triadic

#303178 #783031 #317830

tetradic

#303178 #783055 #787730 #307853

square

#303178 #783055 #787730 #307853

split-complementary

#303178 #785330 #557830

monochromatic

#0D0D21 #1F1F4C #303178 #4143A4 #6263C0

Accessibility & contrast

On white

11.44

#303178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#303178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303178

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303178	#FFFFFF	#000000	##FFFFFF
##303178	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003777

Tritanopia (blue-blind)

#04424F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #303178;
/* rgb */ color: rgb(48, 49, 120);
/* oklch */ color: oklch(35.6% 0.118 277.9);

Tailwind

colors: {
  custom: {
    50: '#7069a0',
    500: '#303178',
    950: '#000000',
  },
}

SCSS

$custom: #303178;
$custom-light: #7069a0;
$custom-dark: #000000;

JSON

{
  "hex": "#303178",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 239.167,
    "s": 42.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35599,
    "c": 0.11845,
    "h": 277.9
  },
  "luminance": 0.04181
}

Semantic roles & 50–950 ramp

primary

#303178

secondary

#A7A65C

accent

#D155D3

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #303178

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

Preview Lab → · Contrast checker → · Palette generator →