#303B93#303B93

#303B93 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.144 H 272.6°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#303B93
RGB	rgb(48, 59, 147)
HSL	hsl(233, 51%, 38%)
HSV	hsv(233, 67%, 58%)
CMYK	cmyk(67.3%, 59.9%, 0%, 42.4%)
CIE-LAB	lab(29.06, 25.32, -49.95)
CIE-LCH	lch(29.06, 56.00, 296.88°)
OKLab	oklab(39.84% 0.0066 -0.1438)
OKLCH	oklch(39.84% 0.144 272.6)
XYZ	xyz(8.0476, 5.8622, 28.3055)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303B93 #938830

analogous

#306C93 #303B93 #563093

triadic

#303B93 #93303B #3B9330

tetradic

#303B93 #93306C #938830 #309356

square

#303B93 #93306C #938830 #309356

split-complementary

#303B93 #935630 #6C9330

monochromatic

#121637 #212865 #303B93 #404EC1 #6E79D0

Accessibility & contrast

On white

9.67

#303B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#303B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303B93

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303B93	#FFFFFF	#000000	##FFFFFF
##303B93	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004996

Deuteranopia (green-blind)

#004091

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #303b93;
/* rgb */ color: rgb(48, 59, 147);
/* oklch */ color: oklch(39.8% 0.144 272.6);

Tailwind

colors: {
  custom: {
    50: '#7570b3',
    500: '#303b93',
    950: '#000000',
  },
}

SCSS

$custom: #303b93;
$custom-light: #7570b3;
$custom-dark: #000000;

JSON

{
  "hex": "#303b93",
  "rgb": {
    "r": 48,
    "g": 59,
    "b": 147
  },
  "hsl": {
    "h": 233.333,
    "s": 50.769,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39841,
    "c": 0.14398,
    "h": 272.6
  },
  "luminance": 0.05863
}

Semantic roles & 50–950 ramp

primary

#303B93

secondary

#B7AE68

accent

#CB4EDA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303B93

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

Preview Lab → · Contrast checker → · Palette generator →