#303A97#303A97

#303A97 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.151 H 272.8°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#303A97
RGB	rgb(48, 58, 151)
HSL	hsl(234, 52%, 39%)
HSV	hsv(234, 68%, 59%)
CMYK	cmyk(68.2%, 61.6%, 0%, 40.8%)
CIE-LAB	lab(29.13, 27.45, -52.29)
CIE-LCH	lch(29.13, 59.06, 297.70°)
OKLab	oklab(39.99% 0.0074 -0.1507)
OKLCH	oklch(39.99% 0.151 272.8)
XYZ	xyz(8.3160, 5.8881, 29.9704)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A97 #978D30

analogous

#306E97 #303A97 #5A3097

triadic

#303A97 #97303A #3A9730

tetradic

#303A97 #97306E #978D30 #30975A

square

#303A97 #97306E #978D30 #30975A

split-complementary

#303A97 #975A30 #6E9730

monochromatic

#12163A #212869 #303A97 #414EC3 #7079D2

Accessibility & contrast

On white

9.64

#303A97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#303A97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A97

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A97	#FFFFFF	#000000	##FFFFFF
##303A97	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #303a97;
/* rgb */ color: rgb(48, 58, 151);
/* oklch */ color: oklch(40.0% 0.151 272.8);

Tailwind

colors: {
  custom: {
    50: '#7670b6',
    500: '#303a97',
    950: '#000000',
  },
}

SCSS

$custom: #303a97;
$custom-light: #7670b6;
$custom-dark: #000000;

JSON

{
  "hex": "#303a97",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 151
  },
  "hsl": {
    "h": 234.175,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39993,
    "c": 0.1509,
    "h": 272.8
  },
  "luminance": 0.05889
}

Semantic roles & 50–950 ramp

primary

#303A97

secondary

#B9B16A

accent

#CD4DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303A97

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

Preview Lab → · Contrast checker → · Palette generator →