#04063F#04063F

#04063F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.104 H 268.3°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#04063F
RGB	rgb(4, 6, 63)
HSL	hsl(238, 88%, 13%)
HSV	hsv(238, 94%, 25%)
CMYK	cmyk(93.7%, 90.5%, 0%, 75.3%)
CIE-LAB	lab(4.65, 20.99, -34.79)
CIE-LCH	lch(4.65, 40.63, 301.11°)
OKLab	oklab(18.28% -0.0031 -0.1039)
OKLCH	oklch(18.28% 0.104 268.3)
XYZ	xyz(1.0121, 0.5148, 4.7477)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04063F #3F3D04

analogous

#04233F #04063F #1F043F

triadic

#04063F #3F0406 #063F04

tetradic

#04063F #3F0423 #3F3D04 #043F1F

square

#04063F #3F0423 #3F3D04 #043F1F

split-complementary

#04063F #3F1F04 #233F04

monochromatic

#02031D #02031D #04063F #080B79 #0B11B2

Accessibility & contrast

On white

19.04

#04063F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#04063F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04063F

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04063F	#FFFFFF	#000000	##FFFFFF
##04063F	1.00	19.04	1.10	19.04
#FFFFFF	19.04	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001341

Deuteranopia (green-blind)

#000D3E

Tritanopia (blue-blind)

#001822

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #04063f;
/* rgb */ color: rgb(4, 6, 63);
/* oklch */ color: oklch(18.3% 0.104 268.3);

Tailwind

colors: {
  custom: {
    50: '#514875',
    500: '#04063f',
    950: '#000000',
  },
}

SCSS

$custom: #04063f;
$custom-light: #514875;
$custom-dark: #000000;

JSON

{
  "hex": "#04063f",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 63
  },
  "hsl": {
    "h": 237.966,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18282,
    "c": 0.10393,
    "h": 268.3
  },
  "luminance": 0.00515
}

Semantic roles & 50–950 ramp

primary

#04063F

secondary

#807D1E

accent

#F72AFE

background

#F4F4F7

surface

#E7E6ED

border

#C3C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #04063F

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

Preview Lab → · Contrast checker → · Palette generator →