#303C98#303C98

#303C98 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.150 H 272.2°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#303C98
RGB	rgb(48, 60, 152)
HSL	hsl(233, 52%, 39%)
HSV	hsv(233, 68%, 60%)
CMYK	cmyk(68.4%, 60.5%, 0%, 40.4%)
CIE-LAB	lab(29.73, 26.49, -51.92)
CIE-LCH	lch(29.73, 58.29, 297.03°)
OKLab	oklab(40.46% 0.0057 -0.1496)
OKLCH	oklch(40.46% 0.15 272.2)
XYZ	xyz(8.5004, 6.1263, 30.4342)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303C98 #988C30

analogous

#307098 #303C98 #583098

triadic

#303C98 #98303C #3C9830

tetradic

#303C98 #983070 #988C30 #309858

square

#303C98 #983070 #988C30 #309858

split-complementary

#303C98 #985830 #709830

monochromatic

#13173B #212A69 #303C98 #4251C3 #707CD2

Accessibility & contrast

On white

9.44

#303C98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#303C98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303C98

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303C98	#FFFFFF	#000000	##FFFFFF
##303C98	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9B

Deuteranopia (green-blind)

#004196

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #303c98;
/* rgb */ color: rgb(48, 60, 152);
/* oklch */ color: oklch(40.5% 0.150 272.2);

Tailwind

colors: {
  custom: {
    50: '#7671b7',
    500: '#303c98',
    950: '#000000',
  },
}

SCSS

$custom: #303c98;
$custom-light: #7671b7;
$custom-dark: #000000;

JSON

{
  "hex": "#303c98",
  "rgb": {
    "r": 48,
    "g": 60,
    "b": 152
  },
  "hsl": {
    "h": 233.077,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40463,
    "c": 0.14973,
    "h": 272.2
  },
  "luminance": 0.06127
}

Semantic roles & 50–950 ramp

primary

#303C98

secondary

#BAB06A

accent

#CB4CDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303C98

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

Preview Lab → · Contrast checker → · Palette generator →