#303ABF#303ABF

#303ABF is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.7% C 0.204 H 271.2°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#303ABF
RGB	rgb(48, 58, 191)
HSL	hsl(236, 60%, 47%)
HSV	hsv(236, 75%, 75%)
CMYK	cmyk(74.9%, 69.6%, 0%, 25.1%)
CIE-LAB	lab(32.73, 41.70, -70.35)
CIE-LCH	lch(32.73, 81.78, 300.66°)
OKLab	oklab(43.73% 0.0044 -0.2036)
OKLCH	oklch(43.73% 0.204 271.2)
XYZ	xyz(12.1328, 7.4148, 50.0719)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303ABF #BFB530

analogous

#3082BF #303ABF #6E30BF

triadic

#303ABF #BF303A #3ABF30

tetradic

#303ABF #BF3082 #BFB530 #30BF6E

square

#303ABF #BF3082 #BFB530 #30BF6E

split-complementary

#303ABF #BF6E30 #82BF30

monochromatic

#171C5D #242B8E #303ABF #5760D5 #888EE1

Accessibility & contrast

On white

8.46

#303ABF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#303ABF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303ABF

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303ABF	#FFFFFF	#000000	##FFFFFF
##303ABF	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C3

Deuteranopia (green-blind)

#0046BD

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #303abf;
/* rgb */ color: rgb(48, 58, 191);
/* oklch */ color: oklch(43.7% 0.204 271.2);

Tailwind

colors: {
  custom: {
    50: '#7f71d4',
    500: '#303abf',
    950: '#000000',
  },
}

SCSS

$custom: #303abf;
$custom-light: #7f71d4;
$custom-dark: #000000;

JSON

{
  "hex": "#303abf",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 191
  },
  "hsl": {
    "h": 235.804,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43729,
    "c": 0.20364,
    "h": 271.2
  },
  "luminance": 0.07416
}

Semantic roles & 50–950 ramp

primary

#303ABF

secondary

#CBC680

accent

#D845E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #303ABF

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

Preview Lab → · Contrast checker → · Palette generator →