#030F4E#030F4E

#030F4E is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.8% C 0.115 H 265.5°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#030F4E
RGB	rgb(3, 15, 78)
HSL	hsl(230, 93%, 16%)
HSV	hsv(230, 96%, 31%)
CMYK	cmyk(96.2%, 80.8%, 0%, 69.4%)
CIE-LAB	lab(8.23, 23.27, -39.47)
CIE-LCH	lch(8.23, 45.82, 300.51°)
OKLab	oklab(21.83% -0.0091 -0.1145)
OKLCH	oklch(21.83% 0.115 265.5)
XYZ	xyz(1.5830, 0.9109, 7.2986)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030F4E #4E4203

analogous

#03344E #030F4E #1C034E

triadic

#030F4E #4E030F #0F4E03

tetradic

#030F4E #4E0334 #4E4203 #034E1C

square

#030F4E #4E0334 #4E4203 #034E1C

split-complementary

#030F4E #4E1C03 #344E03

monochromatic

#01061D #01061D #030F4E #051A89 #0826C4

Accessibility & contrast

On white

17.76

#030F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#030F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030F4E

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030F4E	#FFFFFF	#000000	##FFFFFF
##030F4E	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#00144D

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #030f4e;
/* rgb */ color: rgb(3, 15, 78);
/* oklch */ color: oklch(21.8% 0.115 265.5);

Tailwind

colors: {
  custom: {
    50: '#564d80',
    500: '#030f4e',
    950: '#000000',
  },
}

SCSS

$custom: #030f4e;
$custom-light: #564d80;
$custom-dark: #000000;

JSON

{
  "hex": "#030f4e",
  "rgb": {
    "r": 3,
    "g": 15,
    "b": 78
  },
  "hsl": {
    "h": 230.4,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21828,
    "c": 0.11487,
    "h": 265.5
  },
  "luminance": 0.00911
}

Semantic roles & 50–950 ramp

primary

#030F4E

secondary

#8E7C1E

accent

#DD29FF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #030F4E

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

Preview Lab → · Contrast checker → · Palette generator →