#030F40#030F40

#030F40 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.094 H 265.2°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#030F40
RGB	rgb(3, 15, 64)
HSL	hsl(228, 91%, 13%)
HSV	hsv(228, 95%, 25%)
CMYK	cmyk(95.3%, 76.6%, 0%, 74.9%)
CIE-LAB	lab(6.60, 16.81, -32.32)
CIE-LCH	lch(6.60, 36.43, 297.48°)
OKLab	oklab(20.08% -0.0079 -0.0941)
OKLCH	oklch(20.08% 0.094 265.2)
XYZ	xyz(1.1335, 0.7310, 4.9309)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F40 #403403

analogous

#032D40 #030F40 #150340

triadic

#030F40 #40030F #0F4003

tetradic

#030F40 #40032D #403403 #034015

square

#030F40 #40032D #403403 #034015

split-complementary

#030F40 #401503 #2D4003

monochromatic

#01071D #01071D #030F40 #061D7A #082AB5

Accessibility & contrast

On white

18.32

#030F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#030F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F40

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F40	#FFFFFF	#000000	##FFFFFF
##030F40	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00123F

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #030f40;
/* rgb */ color: rgb(3, 15, 64);
/* oklch */ color: oklch(20.1% 0.094 265.2);

Tailwind

colors: {
  custom: {
    50: '#514d75',
    500: '#030f40',
    950: '#000000',
  },
}

SCSS

$custom: #030f40;
$custom-light: #514d75;
$custom-dark: #000000;

JSON

{
  "hex": "#030f40",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 64
  },
  "hsl": {
    "h": 228.197,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.20078,
    "c": 0.09448,
    "h": 265.2
  },
  "luminance": 0.00731
}

Semantic roles & 50–950 ramp

primary

#030F40

secondary

#826E1D

accent

#D529FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020108

muted

#78777B

Preview Lab

Preview with #030F40

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

Preview Lab → · Contrast checker → · Palette generator →