#303E98#303E98

#303E98 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.147 H 271.6°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#303E98
RGB	rgb(48, 62, 152)
HSL	hsl(232, 52%, 39%)
HSV	hsv(232, 68%, 60%)
CMYK	cmyk(68.4%, 59.2%, 0%, 40.4%)
CIE-LAB	lab(30.25, 25.16, -51.07)
CIE-LCH	lch(30.25, 56.93, 296.23°)
OKLab	oklab(40.85% 0.004 -0.1471)
OKLCH	oklch(40.85% 0.147 271.6)
XYZ	xyz(8.6071, 6.3398, 30.4698)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E98 #988A30

analogous

#307298 #303E98 #563098

triadic

#303E98 #98303E #3E9830

tetradic

#303E98 #983072 #988A30 #309856

square

#303E98 #983072 #988A30 #309856

split-complementary

#303E98 #985630 #729830

monochromatic

#13183B #212B69 #303E98 #4253C3 #707ED2

Accessibility & contrast

On white

9.26

#303E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#303E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E98

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E98	#FFFFFF	#000000	##FFFFFF
##303E98	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004396

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #303e98;
/* rgb */ color: rgb(48, 62, 152);
/* oklch */ color: oklch(40.9% 0.147 271.6);

Tailwind

colors: {
  custom: {
    50: '#7573b7',
    500: '#303e98',
    950: '#000000',
  },
}

SCSS

$custom: #303e98;
$custom-light: #7573b7;
$custom-dark: #000000;

JSON

{
  "hex": "#303e98",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 152
  },
  "hsl": {
    "h": 231.923,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40854,
    "c": 0.14713,
    "h": 271.6
  },
  "luminance": 0.06341
}

Semantic roles & 50–950 ramp

primary

#303E98

secondary

#BAAF6A

accent

#C84CDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #303E98

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

Preview Lab → · Contrast checker → · Palette generator →