#303391#303391

#303391 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.151 H 275.2°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#303391
RGB	rgb(48, 51, 145)
HSL	hsl(238, 50%, 38%)
HSV	hsv(238, 67%, 57%)
CMYK	cmyk(66.9%, 64.8%, 0%, 43.1%)
CIE-LAB	lab(26.85, 29.88, -52.33)
CIE-LCH	lch(26.85, 60.26, 299.73°)
OKLab	oklab(38.16% 0.0136 -0.1509)
OKLCH	oklch(38.16% 0.152 275.2)
XYZ	xyz(7.5119, 5.0397, 27.3595)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303391 #918E30

analogous

#306491 #303391 #5D3091

triadic

#303391 #913033 #339130

tetradic

#303391 #913064 #918E30 #30915D

square

#303391 #913064 #918E30 #30915D

split-complementary

#303391 #915D30 #649130

monochromatic

#121335 #212363 #303391 #3F43BF #6D70CF

Accessibility & contrast

On white

10.46

#303391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#303391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303391

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303391	#FFFFFF	#000000	##FFFFFF
##303391	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #303391;
/* rgb */ color: rgb(48, 51, 145);
/* oklch */ color: oklch(38.2% 0.151 275.2);

Tailwind

colors: {
  custom: {
    50: '#756bb2',
    500: '#303391',
    950: '#000000',
  },
}

SCSS

$custom: #303391;
$custom-light: #756bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#303391",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 145
  },
  "hsl": {
    "h": 238.144,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38155,
    "c": 0.1515,
    "h": 275.2
  },
  "luminance": 0.0504
}

Semantic roles & 50–950 ramp

primary

#303391

secondary

#B6B467

accent

#D54EDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #303391

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

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