#030C4E#030C4E

#030C4E is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.3% C 0.118 H 265.9°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#030C4E
RGB	rgb(3, 12, 78)
HSL	hsl(233, 93%, 16%)
HSV	hsv(233, 96%, 31%)
CMYK	cmyk(96.2%, 84.6%, 0%, 69.4%)
CIE-LAB	lab(7.52, 25.26, -40.65)
CIE-LCH	lch(7.52, 47.86, 301.85°)
OKLab	oklab(21.32% -0.0084 -0.1179)
OKLCH	oklch(21.32% 0.118 265.9)
XYZ	xyz(1.5437, 0.8322, 7.2855)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030C4E #4E4503

analogous

#03314E #030C4E #1F034E

triadic

#030C4E #4E030C #0C4E03

tetradic

#030C4E #4E0331 #4E4503 #034E1F

square

#030C4E #4E0331 #4E4503 #034E1F

split-complementary

#030C4E #4E1F03 #314E03

monochromatic

#01051D #01051D #030C4E #051589 #081EC4

Accessibility & contrast

On white

18.00

#030C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#030C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030C4E

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030C4E	#FFFFFF	#000000	##FFFFFF
##030C4E	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A50

Deuteranopia (green-blind)

#00134D

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #030c4e;
/* rgb */ color: rgb(3, 12, 78);
/* oklch */ color: oklch(21.3% 0.118 265.9);

Tailwind

colors: {
  custom: {
    50: '#564b80',
    500: '#030c4e',
    950: '#000000',
  },
}

SCSS

$custom: #030c4e;
$custom-light: #564b80;
$custom-dark: #000000;

JSON

{
  "hex": "#030c4e",
  "rgb": {
    "r": 3,
    "g": 12,
    "b": 78
  },
  "hsl": {
    "h": 232.8,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21315,
    "c": 0.11823,
    "h": 265.9
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#030C4E

secondary

#8E811E

accent

#E529FF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #030C4E

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

Preview Lab → · Contrast checker → · Palette generator →