#06183F#06183F

#06183F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.3% C 0.079 H 262.6°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#06183F
RGB	rgb(6, 24, 63)
HSL	hsl(221, 83%, 14%)
HSV	hsv(221, 90%, 25%)
CMYK	cmyk(90.5%, 61.9%, 0%, 75.3%)
CIE-LAB	lab(9.41, 10.02, -27.02)
CIE-LCH	lch(9.41, 28.82, 290.34°)
OKLab	oklab(22.25% -0.0101 -0.078)
OKLCH	oklch(22.25% 0.079 262.6)
XYZ	xyz(1.2986, 1.0507, 4.8360)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#06183F #3F2D06

analogous

#06343F #06183F #10063F

triadic

#06183F #3F0618 #183F06

tetradic

#06183F #3F0634 #3F2D06 #063F10

square

#06183F #3F0634 #3F2D06 #063F10

split-complementary

#06183F #3F1006 #343F06

monochromatic

#030B1C #030B1C #06183F #0B2D77 #1143AF

Accessibility & contrast

On white

17.35

#06183F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#06183F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #06183F

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##06183F	#FFFFFF	#000000	##FFFFFF
##06183F	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#002228

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #06183f;
/* rgb */ color: rgb(6, 24, 63);
/* oklch */ color: oklch(22.3% 0.079 262.6);

Tailwind

colors: {
  custom: {
    50: '#515474',
    500: '#06183f',
    950: '#000000',
  },
}

SCSS

$custom: #06183f;
$custom-light: #515474;
$custom-dark: #000000;

JSON

{
  "hex": "#06183f",
  "rgb": {
    "r": 6,
    "g": 24,
    "b": 63
  },
  "hsl": {
    "h": 221.053,
    "s": 82.609,
    "l": 13.529
  },
  "oklch": {
    "l": 0.22253,
    "c": 0.07861,
    "h": 262.6
  },
  "luminance": 0.01051
}

Semantic roles & 50–950 ramp

primary

#06183F

secondary

#7F6222

accent

#B92FF9

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #06183F

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

Preview Lab → · Contrast checker → · Palette generator →