#030F23#030F23

#030F23 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.0% C 0.046 H 257.3°. Best body text is #FFFFFF at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#030F23
RGB	rgb(3, 15, 35)
HSL	hsl(218, 84%, 7%)
HSV	hsv(218, 91%, 14%)
CMYK	cmyk(91.4%, 57.1%, 0%, 86.3%)
CIE-LAB	lab(4.36, 2.18, -14.45)
CIE-LCH	lch(4.36, 14.62, 278.57°)
OKLab	oklab(16.98% -0.0102 -0.0451)
OKLCH	oklch(16.98% 0.046 257.3)
XYZ	xyz(0.5116, 0.4823, 1.6559)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F23 #231703

analogous

#031F23 #030F23 #070323

triadic

#030F23 #23030F #0F2303

tetradic

#030F23 #23031F #231703 #032307

square

#030F23 #23031F #231703 #032307

split-complementary

#030F23 #230703 #1F2303

monochromatic

#020C1C #020C1C #030F23 #08275B #0D3F94

Accessibility & contrast

On white

19.15

#030F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#030F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F23

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F23	#FFFFFF	#000000	##FFFFFF
##030F23	1.00	19.15	1.10	19.15
#FFFFFF	19.15	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061124

Deuteranopia (green-blind)

#020E23

Tritanopia (blue-blind)

#001417

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #030f23;
/* rgb */ color: rgb(3, 15, 35);
/* oklch */ color: oklch(17.0% 0.046 257.3);

Tailwind

colors: {
  custom: {
    50: '#484e5e',
    500: '#030f23',
    950: '#000000',
  },
}

SCSS

$custom: #030f23;
$custom-light: #484e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#030f23",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 35
  },
  "hsl": {
    "h": 217.5,
    "s": 84.211,
    "l": 7.451
  },
  "oklch": {
    "l": 0.16984,
    "c": 0.04626,
    "h": 257.3
  },
  "luminance": 0.00482
}

Semantic roles & 50–950 ramp

primary

#030F23

secondary

#674A1B

accent

#AE2DFA

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #030F23

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

Preview Lab → · Contrast checker → · Palette generator →