#30379F#30379F

#30379F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.166 H 273.3°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#30379F
RGB	rgb(48, 55, 159)
HSL	hsl(236, 54%, 41%)
HSV	hsv(236, 70%, 62%)
CMYK	cmyk(69.8%, 65.4%, 0%, 37.6%)
CIE-LAB	lab(29.06, 32.30, -57.27)
CIE-LCH	lch(29.06, 65.75, 299.43°)
OKLab	oklab(40.16% 0.0094 -0.1653)
OKLCH	oklch(40.16% 0.166 273.3)
XYZ	xyz(8.8410, 5.8631, 33.4599)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30379F #9F9830

analogous

#306E9F #30379F #60309F

triadic

#30379F #9F3037 #379F30

tetradic

#30379F #9F306E #9F9830 #309F60

square

#30379F #9F306E #9F9830 #309F60

split-complementary

#30379F #9F6030 #6E9F30

monochromatic

#141641 #222770 #30379F #454DC7 #747AD5

Accessibility & contrast

On white

9.66

#30379F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#30379F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30379F

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30379F	#FFFFFF	#000000	##FFFFFF
##30379F	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #30379f;
/* rgb */ color: rgb(48, 55, 159);
/* oklch */ color: oklch(40.2% 0.166 273.3);

Tailwind

colors: {
  custom: {
    50: '#786ebc',
    500: '#30379f',
    950: '#000000',
  },
}

SCSS

$custom: #30379f;
$custom-light: #786ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#30379f",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 159
  },
  "hsl": {
    "h": 236.216,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40159,
    "c": 0.16561,
    "h": 273.3
  },
  "luminance": 0.05864
}

Semantic roles & 50–950 ramp

primary

#30379F

secondary

#BDB86E

accent

#D44BDD

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30379F

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

Preview Lab → · Contrast checker → · Palette generator →