#030023#030023

#030023 is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 12.2% C 0.077 H 274.3°. Best body text is #FFFFFF at 20.42:1 contrast (WCAG AA passes).

Color values

HEX	#030023
RGB	rgb(3, 0, 35)
HSL	hsl(245, 100%, 7%)
HSV	hsv(245, 100%, 14%)
CMYK	cmyk(91.4%, 100%, 0%, 86.3%)
CIE-LAB	lab(1.27, 8.48, -19.20)
CIE-LCH	lch(1.27, 20.99, 293.84°)
OKLab	oklab(12.17% 0.0058 -0.0766)
OKLCH	oklch(12.17% 0.077 274.3)
XYZ	xyz(0.3408, 0.1407, 1.5990)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030023 #202300

analogous

#000F23 #030023 #150023

triadic

#030023 #230300 #002303

tetradic

#030023 #23000F #202300 #002315

square

#030023 #23000F #202300 #002315

split-complementary

#030023 #231500 #0F2300

monochromatic

#03001F #03001F #030023 #080060 #0D009D

Accessibility & contrast

On white

20.42

#030023 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#030023 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030023

20.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030023	#FFFFFF	#000000	##FFFFFF
##030023	1.00	20.42	1.03	20.42
#FFFFFF	20.42	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000624

Deuteranopia (green-blind)

#000322

Tritanopia (blue-blind)

#000810

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #030023;
/* rgb */ color: rgb(3, 0, 35);
/* oklch */ color: oklch(12.2% 0.077 274.3);

Tailwind

colors: {
  custom: {
    50: '#47475e',
    500: '#030023',
    950: '#000000',
  },
}

SCSS

$custom: #030023;
$custom-light: #47475e;
$custom-dark: #000000;

JSON

{
  "hex": "#030023",
  "rgb": {
    "r": 3,
    "g": 0,
    "b": 35
  },
  "hsl": {
    "h": 245.143,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.12167,
    "c": 0.07687,
    "h": 274.3
  },
  "luminance": 0.00141
}

Semantic roles & 50–950 ramp

primary

#030023

secondary

#646C13

accent

#FF29ED

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000004

muted

#777779

Preview Lab

Preview with #030023

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

Preview Lab → · Contrast checker → · Palette generator →