#030F3F#030F3F

#030F3F is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.093 H 265.1°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#030F3F
RGB	rgb(3, 15, 63)
HSL	hsl(228, 91%, 13%)
HSV	hsv(228, 95%, 25%)
CMYK	cmyk(95.2%, 76.2%, 0%, 75.3%)
CIE-LAB	lab(6.50, 16.29, -31.77)
CIE-LCH	lch(6.50, 35.70, 297.15°)
OKLab	oklab(19.96% -0.0079 -0.0926)
OKLCH	oklch(19.96% 0.093 265.1)
XYZ	xyz(1.1053, 0.7197, 4.7823)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F3F #3F3303

analogous

#032D3F #030F3F #15033F

triadic

#030F3F #3F030F #0F3F03

tetradic

#030F3F #3F032D #3F3303 #033F15

square

#030F3F #3F032D #3F3303 #033F15

split-complementary

#030F3F #3F1503 #2D3F03

monochromatic

#01071D #01071D #030F3F #061D79 #092BB4

Accessibility & contrast

On white

18.36

#030F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#030F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F3F

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F3F	#FFFFFF	#000000	##FFFFFF
##030F3F	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001740

Deuteranopia (green-blind)

#00113E

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #030f3f;
/* rgb */ color: rgb(3, 15, 63);
/* oklch */ color: oklch(20.0% 0.093 265.1);

Tailwind

colors: {
  custom: {
    50: '#504d75',
    500: '#030f3f',
    950: '#000000',
  },
}

SCSS

$custom: #030f3f;
$custom-light: #504d75;
$custom-dark: #000000;

JSON

{
  "hex": "#030f3f",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 63
  },
  "hsl": {
    "h": 228,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.19958,
    "c": 0.09297,
    "h": 265.1
  },
  "luminance": 0.0072
}

Semantic roles & 50–950 ramp

primary

#030F3F

secondary

#816D1D

accent

#D429FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020108

muted

#78777B

Preview Lab

Preview with #030F3F

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

Preview Lab → · Contrast checker → · Palette generator →