#303EAC#303EAC

#303EAC is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.175 H 271.2°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#303EAC
RGB	rgb(48, 62, 172)
HSL	hsl(233, 56%, 43%)
HSV	hsv(233, 72%, 67%)
CMYK	cmyk(72.1%, 64%, 0%, 32.5%)
CIE-LAB	lab(31.92, 32.47, -60.42)
CIE-LCH	lch(31.92, 68.59, 298.26°)
OKLab	oklab(42.61% 0.0036 -0.1745)
OKLCH	oklch(42.61% 0.175 271.2)
XYZ	xyz(10.3854, 7.0511, 39.8354)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303EAC #AC9E30

analogous

#307CAC #303EAC #6030AC

triadic

#303EAC #AC303E #3EAC30

tetradic

#303EAC #AC307C #AC9E30 #30AC60

square

#303EAC #AC307C #AC9E30 #30AC60

split-complementary

#303EAC #AC6030 #7CAC30

monochromatic

#151C4C #232D7C #303EAC #4C5BCD #7C87DA

Accessibility & contrast

On white

8.71

#303EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#303EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303EAC

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303EAC	#FFFFFF	#000000	##FFFFFF
##303EAC	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B0

Deuteranopia (green-blind)

#0045AA

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #303eac;
/* rgb */ color: rgb(48, 62, 172);
/* oklch */ color: oklch(42.6% 0.175 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a73c6',
    500: '#303eac',
    950: '#000000',
  },
}

SCSS

$custom: #303eac;
$custom-light: #7a73c6;
$custom-dark: #000000;

JSON

{
  "hex": "#303eac",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 172
  },
  "hsl": {
    "h": 233.226,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.42607,
    "c": 0.17456,
    "h": 271.2
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#303EAC

secondary

#C3BA75

accent

#CF48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #303EAC

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

Preview Lab → · Contrast checker → · Palette generator →