#303B95#303B95

#303B95 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.147 H 272.6°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#303B95
RGB	rgb(48, 59, 149)
HSL	hsl(233, 51%, 39%)
HSV	hsv(233, 68%, 58%)
CMYK	cmyk(67.8%, 60.4%, 0%, 41.6%)
CIE-LAB	lab(29.22, 26.06, -50.91)
CIE-LCH	lch(29.22, 57.19, 297.10°)
OKLab	oklab(40.01% 0.0066 -0.1467)
OKLCH	oklch(40.01% 0.147 272.6)
XYZ	xyz(8.2059, 5.9255, 29.1392)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303B95 #958A30

analogous

#306D95 #303B95 #573095

triadic

#303B95 #95303B #3B9530

tetradic

#303B95 #95306D #958A30 #309557

square

#303B95 #95306D #958A30 #309557

split-complementary

#303B95 #955730 #6D9530

monochromatic

#121638 #212967 #303B95 #414FC2 #6F79D1

Accessibility & contrast

On white

9.61

#303B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#303B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303B95

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303B95	#FFFFFF	#000000	##FFFFFF
##303B95	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#004093

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #303b95;
/* rgb */ color: rgb(48, 59, 149);
/* oklch */ color: oklch(40.0% 0.147 272.6);

Tailwind

colors: {
  custom: {
    50: '#7570b5',
    500: '#303b95',
    950: '#000000',
  },
}

SCSS

$custom: #303b95;
$custom-light: #7570b5;
$custom-dark: #000000;

JSON

{
  "hex": "#303b95",
  "rgb": {
    "r": 48,
    "g": 59,
    "b": 149
  },
  "hsl": {
    "h": 233.465,
    "s": 51.269,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40012,
    "c": 0.14681,
    "h": 272.6
  },
  "luminance": 0.05926
}

Semantic roles & 50–950 ramp

primary

#303B95

secondary

#B8AF69

accent

#CB4DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #303B95

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

Preview Lab → · Contrast checker → · Palette generator →