#303D98#303D98

#303D98 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.148 H 271.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#303D98
RGB	rgb(48, 61, 152)
HSL	hsl(233, 52%, 39%)
HSV	hsv(233, 68%, 60%)
CMYK	cmyk(68.4%, 59.9%, 0%, 40.4%)
CIE-LAB	lab(29.99, 25.83, -51.50)
CIE-LCH	lch(29.99, 57.61, 296.63°)
OKLab	oklab(40.66% 0.0049 -0.1483)
OKLCH	oklch(40.66% 0.148 271.9)
XYZ	xyz(8.5533, 6.2321, 30.4518)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303D98 #988B30

analogous

#307198 #303D98 #573098

triadic

#303D98 #98303D #3D9830

tetradic

#303D98 #983071 #988B30 #309857

square

#303D98 #983071 #988B30 #309857

split-complementary

#303D98 #985730 #719830

monochromatic

#13183B #212A69 #303D98 #4252C3 #707DD2

Accessibility & contrast

On white

9.35

#303D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#303D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303D98

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303D98	#FFFFFF	#000000	##FFFFFF
##303D98	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #303d98;
/* rgb */ color: rgb(48, 61, 152);
/* oklch */ color: oklch(40.7% 0.148 271.9);

Tailwind

colors: {
  custom: {
    50: '#7672b7',
    500: '#303d98',
    950: '#000000',
  },
}

SCSS

$custom: #303d98;
$custom-light: #7672b7;
$custom-dark: #000000;

JSON

{
  "hex": "#303d98",
  "rgb": {
    "r": 48,
    "g": 61,
    "b": 152
  },
  "hsl": {
    "h": 232.5,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40657,
    "c": 0.14843,
    "h": 271.9
  },
  "luminance": 0.06233
}

Semantic roles & 50–950 ramp

primary

#303D98

secondary

#BAB06A

accent

#CA4CDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #303D98

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

Preview Lab → · Contrast checker → · Palette generator →