#30479F#30479F

#30479F is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.145 H 268.6°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#30479F
RGB	rgb(48, 71, 159)
HSL	hsl(228, 54%, 41%)
HSV	hsv(228, 70%, 62%)
CMYK	cmyk(69.8%, 55.3%, 0%, 37.6%)
CIE-LAB	lab(33.22, 21.75, -50.51)
CIE-LCH	lch(33.22, 54.99, 293.30°)
OKLab	oklab(43.24% -0.0036 -0.1453)
OKLCH	oklch(43.24% 0.145 268.6)
XYZ	xyz(9.7280, 7.6371, 33.7556)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30479F #9F8830

analogous

#307E9F #30479F #51309F

triadic

#30479F #9F3047 #479F30

tetradic

#30479F #9F307E #9F8830 #309F51

square

#30479F #9F307E #9F8830 #309F51

split-complementary

#30479F #9F5130 #7E9F30

monochromatic

#141D41 #223270 #30479F #4560C7 #7488D5

Accessibility & contrast

On white

8.31

#30479F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#30479F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30479F

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30479F	#FFFFFF	#000000	##FFFFFF
##30479F	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #30479f;
/* rgb */ color: rgb(48, 71, 159);
/* oklch */ color: oklch(43.2% 0.145 268.6);

Tailwind

colors: {
  custom: {
    50: '#7679bc',
    500: '#30479f',
    950: '#000000',
  },
}

SCSS

$custom: #30479f;
$custom-light: #7679bc;
$custom-dark: #000000;

JSON

{
  "hex": "#30479f",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 227.568,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4324,
    "c": 0.14536,
    "h": 268.6
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#30479F

secondary

#BDAD6E

accent

#BF4BDD

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #30479F

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

Preview Lab → · Contrast checker → · Palette generator →