#30289E#30289E

#30289E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.181 H 276.2°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#30289E
RGB	rgb(48, 40, 158)
HSL	hsl(244, 60%, 39%)
HSV	hsv(244, 75%, 62%)
CMYK	cmyk(69.6%, 74.7%, 0%, 38%)
CIE-LAB	lab(25.60, 41.13, -62.34)
CIE-LCH	lch(25.60, 74.69, 303.41°)
OKLab	oklab(37.64% 0.0196 -0.1802)
OKLCH	oklch(37.64% 0.181 276.2)
XYZ	xyz(8.1473, 4.6138, 32.8023)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30289E #969E28

analogous

#285B9E #30289E #6B289E

triadic

#30289E #9E3028 #289E30

tetradic

#30289E #9E285B #969E28 #289E6B

square

#30289E #9E285B #969E28 #289E6B

split-complementary

#30289E #9E6B28 #5B9E28

monochromatic

#120F3C #211C6D #30289E #4137CC #6F68D9

Accessibility & contrast

On white

10.92

#30289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#30289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30289E

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30289E	#FFFFFF	#000000	##FFFFFF
##30289E	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #30289e;
/* rgb */ color: rgb(48, 40, 158);
/* oklch */ color: oklch(37.6% 0.181 276.2);

Tailwind

colors: {
  custom: {
    50: '#7964bc',
    500: '#30289e',
    950: '#000000',
  },
}

SCSS

$custom: #30289e;
$custom-light: #7964bc;
$custom-dark: #000000;

JSON

{
  "hex": "#30289e",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 244.068,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37637,
    "c": 0.18123,
    "h": 276.2
  },
  "luminance": 0.04615
}

Semantic roles & 50–950 ramp

primary

#30289E

secondary

#B9BF63

accent

#E345D8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #30289E

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

Preview Lab → · Contrast checker → · Palette generator →