#030331#030331

#030331 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.4% C 0.089 H 269.4°. Best body text is #FFFFFF at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#030331
RGB	rgb(3, 3, 49)
HSL	hsl(240, 88%, 10%)
HSV	hsv(240, 94%, 19%)
CMYK	cmyk(93.9%, 93.9%, 0%, 80.8%)
CIE-LAB	lab(2.77, 13.65, -27.59)
CIE-LCH	lch(2.77, 30.78, 296.33°)
OKLab	oklab(15.44% -0.001 -0.0895)
OKLCH	oklch(15.44% 0.089 269.4)
XYZ	xyz(0.6243, 0.3062, 2.9313)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030331 #313103

analogous

#031A31 #030331 #1A0331

triadic

#030331 #310303 #033103

tetradic

#030331 #31031A #313103 #03311A

square

#030331 #31031A #313103 #03311A

split-complementary

#030331 #311A03 #1A3103

monochromatic

#02021D #02021D #030331 #07076B #0A0AA4

Accessibility & contrast

On white

19.79

#030331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#030331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030331

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030331	#FFFFFF	#000000	##FFFFFF
##030331	1.00	19.79	1.06	19.79
#FFFFFF	19.79	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D32

Deuteranopia (green-blind)

#000830

Tritanopia (blue-blind)

#001019

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #030331;
/* rgb */ color: rgb(3, 3, 49);
/* oklch */ color: oklch(15.4% 0.089 269.4);

Tailwind

colors: {
  custom: {
    50: '#4a4869',
    500: '#030331',
    950: '#000000',
  },
}

SCSS

$custom: #030331;
$custom-light: #4a4869;
$custom-dark: #000000;

JSON

{
  "hex": "#030331",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 49
  },
  "hsl": {
    "h": 240,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.15438,
    "c": 0.08947,
    "h": 269.4
  },
  "luminance": 0.00306
}

Semantic roles & 50–950 ramp

primary

#030331

secondary

#74741B

accent

#FF29FF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #030331

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

Preview Lab → · Contrast checker → · Palette generator →