#03011E#03011E

#03011E is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 11.8% C 0.067 H 275.9°. Best body text is #FFFFFF at 20.45:1 contrast (WCAG AA passes).

Color values

HEX	#03011E
RGB	rgb(3, 1, 30)
HSL	hsl(244, 94%, 6%)
HSV	hsv(244, 97%, 12%)
CMYK	cmyk(90%, 96.7%, 0%, 88.2%)
CIE-LAB	lab(1.22, 6.33, -15.30)
CIE-LCH	lch(1.22, 16.56, 292.48°)
OKLab	oklab(11.8% 0.0069 -0.0662)
OKLCH	oklch(11.8% 0.067 275.9)
XYZ	xyz(0.2827, 0.1348, 1.2392)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03011E #1C1E01

analogous

#010D1E #03011E #11011E

triadic

#03011E #1E0301 #011E03

tetradic

#03011E #1E010D #1C1E01 #011E11

square

#03011E #1E010D #1C1E01 #011E11

split-complementary

#03011E #1E1101 #0D1E01

monochromatic

#03011E #03011E #03011E #090359 #0F0594

Accessibility & contrast

On white

20.45

#03011E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#03011E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03011E

20.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03011E	#FFFFFF	#000000	##FFFFFF
##03011E	1.00	20.45	1.03	20.45
#FFFFFF	20.45	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051F

Deuteranopia (green-blind)

#00041D

Tritanopia (blue-blind)

#00070D

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #03011e;
/* rgb */ color: rgb(3, 1, 30);
/* oklch */ color: oklch(11.8% 0.067 275.9);

Tailwind

colors: {
  custom: {
    50: '#474759',
    500: '#03011e',
    950: '#000000',
  },
}

SCSS

$custom: #03011e;
$custom-light: #474759;
$custom-dark: #000000;

JSON

{
  "hex": "#03011e",
  "rgb": {
    "r": 3,
    "g": 1,
    "b": 30
  },
  "hsl": {
    "h": 244.138,
    "s": 93.548,
    "l": 6.078
  },
  "oklch": {
    "l": 0.11801,
    "c": 0.06651,
    "h": 275.9
  },
  "luminance": 0.00135
}

Semantic roles & 50–950 ramp

primary

#03011E

secondary

#606615

accent

#FF29F0

background

#F4F3F5

surface

#E6E5E9

border

#C2C1C5

text

#000003

muted

#777778

Preview Lab

Preview with #03011E

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

Preview Lab → · Contrast checker → · Palette generator →