#030308#030308

#030308 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 10.2% C 0.017 H 282.9°. Best body text is #FFFFFF at 20.58:1 contrast (WCAG AA passes).

Color values

HEX	#030308
RGB	rgb(3, 3, 8)
HSL	hsl(240, 45%, 2%)
HSV	hsv(240, 63%, 3%)
CMYK	cmyk(62.5%, 62.5%, 0%, 96.9%)
CIE-LAB	lab(0.92, 0.69, -1.89)
CIE-LCH	lch(0.92, 2.02, 290.15°)
OKLab	oklab(10.17% 0.0039 -0.0168)
OKLCH	oklch(10.17% 0.017 282.9)
XYZ	xyz(0.1139, 0.1020, 0.2434)
Luminance	0.0010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030308 #080803

analogous

#030608 #030308 #060308

triadic

#030308 #080303 #030803

tetradic

#030308 #080306 #080803 #030806

square

#030308 #080306 #080803 #030806

split-complementary

#030308 #080603 #060803

monochromatic

#080816 #080816 #080816 #141435 #242461

Accessibility & contrast

On white

20.58

#030308 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#030308 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030308

20.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030308	#FFFFFF	#000000	##FFFFFF
##030308	1.00	20.58	1.02	20.58
#FFFFFF	20.58	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020308

Deuteranopia (green-blind)

#020308

Tritanopia (blue-blind)

#020405

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #030308;
/* rgb */ color: rgb(3, 3, 8);
/* oklch */ color: oklch(10.2% 0.017 282.9);

Tailwind

colors: {
  custom: {
    50: '#48484a',
    500: '#030308',
    950: '#000000',
  },
}

SCSS

$custom: #030308;
$custom-light: #48484a;
$custom-dark: #000000;

JSON

{
  "hex": "#030308",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 8
  },
  "hsl": {
    "h": 240,
    "s": 45.455,
    "l": 2.157
  },
  "oklch": {
    "l": 0.10173,
    "c": 0.01727,
    "h": 282.9
  },
  "luminance": 0.00102
}

Semantic roles & 50–950 ramp

primary

#030308

secondary

#444423

accent

#D553D5

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #030308

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

Preview Lab → · Contrast checker → · Palette generator →