#03012B#03012B

#03012B is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.9% C 0.085 H 271.2°. Best body text is #FFFFFF at 20.13:1 contrast (WCAG AA passes).

Color values

HEX	#03012B
RGB	rgb(3, 1, 43)
HSL	hsl(243, 95%, 9%)
HSV	hsv(243, 98%, 17%)
CMYK	cmyk(93%, 97.7%, 0%, 83.1%)
CIE-LAB	lab(1.95, 11.45, -24.35)
CIE-LCH	lch(1.95, 26.91, 295.18°)
OKLab	oklab(13.89% 0.0018 -0.0852)
OKLCH	oklch(13.89% 0.085 271.2)
XYZ	xyz(0.4843, 0.2154, 2.3011)
Luminance	0.0022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03012B #292B01

analogous

#01142B #03012B #18012B

triadic

#03012B #2B0301 #012B03

tetradic

#03012B #2B0114 #292B01 #012B18

square

#03012B #2B0114 #292B01 #012B18

split-complementary

#03012B #2B1801 #142B01

monochromatic

#02011E #02011E #03012B #070267 #0B04A3

Accessibility & contrast

On white

20.13

#03012B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#03012B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03012B

20.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03012B	#FFFFFF	#000000	##FFFFFF
##03012B	1.00	20.13	1.04	20.13
#FFFFFF	20.13	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00092C

Deuteranopia (green-blind)

#00052A

Tritanopia (blue-blind)

#000C15

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #03012b;
/* rgb */ color: rgb(3, 1, 43);
/* oklch */ color: oklch(13.9% 0.085 271.2);

Tailwind

colors: {
  custom: {
    50: '#484764',
    500: '#03012b',
    950: '#000000',
  },
}

SCSS

$custom: #03012b;
$custom-light: #484764;
$custom-dark: #000000;

JSON

{
  "hex": "#03012b",
  "rgb": {
    "r": 3,
    "g": 1,
    "b": 43
  },
  "hsl": {
    "h": 242.857,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.13888,
    "c": 0.08519,
    "h": 271.2
  },
  "luminance": 0.00215
}

Semantic roles & 50–950 ramp

primary

#03012B

secondary

#6D7117

accent

#FF29F5

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010005

muted

#77777A

Preview Lab

Preview with #03012B

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

Preview Lab → · Contrast checker → · Palette generator →