#303C92#303C92

#303C92 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.141 H 272.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#303C92
RGB	rgb(48, 60, 146)
HSL	hsl(233, 51%, 38%)
HSV	hsv(233, 67%, 57%)
CMYK	cmyk(67.1%, 58.9%, 0%, 42.7%)
CIE-LAB	lab(29.25, 24.29, -49.04)
CIE-LCH	lch(29.25, 54.72, 296.35°)
OKLab	oklab(39.95% 0.0057 -0.1411)
OKLCH	oklch(39.95% 0.141 272.3)
XYZ	xyz(8.0214, 5.9347, 27.9113)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303C92 #928630

analogous

#306D92 #303C92 #553092

triadic

#303C92 #92303C #3C9230

tetradic

#303C92 #92306D #928630 #309255

square

#303C92 #92306D #928630 #309255

split-complementary

#303C92 #925530 #6D9230

monochromatic

#121636 #212964 #303C92 #3F4FC0 #6D79CF

Accessibility & contrast

On white

9.60

#303C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#303C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303C92

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303C92	#FFFFFF	#000000	##FFFFFF
##303C92	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004995

Deuteranopia (green-blind)

#004190

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #303c92;
/* rgb */ color: rgb(48, 60, 146);
/* oklch */ color: oklch(40.0% 0.141 272.3);

Tailwind

colors: {
  custom: {
    50: '#7471b3',
    500: '#303c92',
    950: '#000000',
  },
}

SCSS

$custom: #303c92;
$custom-light: #7471b3;
$custom-dark: #000000;

JSON

{
  "hex": "#303c92",
  "rgb": {
    "r": 48,
    "g": 60,
    "b": 146
  },
  "hsl": {
    "h": 232.653,
    "s": 50.515,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39954,
    "c": 0.14125,
    "h": 272.3
  },
  "luminance": 0.05935
}

Semantic roles & 50–950 ramp

primary

#303C92

secondary

#B7AD67

accent

#C94EDA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303C92

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

Preview Lab → · Contrast checker → · Palette generator →