#06173A#06173A

#06173A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.5% C 0.072 H 262.1°. Best body text is #FFFFFF at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#06173A
RGB	rgb(6, 23, 58)
HSL	hsl(220, 81%, 13%)
HSV	hsv(220, 90%, 23%)
CMYK	cmyk(89.7%, 60.3%, 0%, 77.3%)
CIE-LAB	lab(8.63, 8.46, -24.72)
CIE-LCH	lch(8.63, 26.13, 288.90°)
OKLab	oklab(21.52% -0.0098 -0.0712)
OKLCH	oklch(21.52% 0.072 262.1)
XYZ	xyz(1.1449, 0.9569, 4.1265)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#06173A #3A2906

analogous

#06313A #06173A #0F063A

triadic

#06173A #3A0617 #173A06

tetradic

#06173A #3A0631 #3A2906 #063A0F

square

#06173A #3A0631 #3A2906 #063A0F

split-complementary

#06173A #3A0F06 #313A06

monochromatic

#030B1C #030B1C #06173A #0C2D71 #1143A9

Accessibility & contrast

On white

17.63

#06173A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#06173A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #06173A

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##06173A	#FFFFFF	#000000	##FFFFFF
##06173A	1.00	17.63	1.19	17.63
#FFFFFF	17.63	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021B3B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #06173a;
/* rgb */ color: rgb(6, 23, 58);
/* oklch */ color: oklch(21.5% 0.072 262.1);

Tailwind

colors: {
  custom: {
    50: '#4f5370',
    500: '#06173a',
    950: '#000000',
  },
}

SCSS

$custom: #06173a;
$custom-light: #4f5370;
$custom-dark: #000000;

JSON

{
  "hex": "#06173a",
  "rgb": {
    "r": 6,
    "g": 23,
    "b": 58
  },
  "hsl": {
    "h": 220.385,
    "s": 81.25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.2152,
    "c": 0.07188,
    "h": 262.1
  },
  "luminance": 0.00957
}

Semantic roles & 50–950 ramp

primary

#06173A

secondary

#7A5D22

accent

#B630F8

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #06173A

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

Preview Lab → · Contrast checker → · Palette generator →