#06173B#06173B

#06173B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.6% C 0.074 H 262.4°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#06173B
RGB	rgb(6, 23, 59)
HSL	hsl(221, 82%, 13%)
HSV	hsv(221, 90%, 23%)
CMYK	cmyk(89.8%, 61%, 0%, 76.9%)
CIE-LAB	lab(8.71, 8.94, -25.30)
CIE-LCH	lch(8.71, 26.83, 289.47°)
OKLab	oklab(21.62% -0.0097 -0.0729)
OKLCH	oklch(21.62% 0.074 262.4)
XYZ	xyz(1.1706, 0.9671, 4.2618)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#06173B #3B2A06

analogous

#06313B #06173B #10063B

triadic

#06173B #3B0617 #173B06

tetradic

#06173B #3B0631 #3B2A06 #063B10

square

#06173B #3B0631 #3B2A06 #063B10

split-complementary

#06173B #3B1006 #313B06

monochromatic

#030B1C #030B1C #06173B #0C2D73 #1142AA

Accessibility & contrast

On white

17.60

#06173B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#06173B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #06173B

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##06173B	#FFFFFF	#000000	##FFFFFF
##06173B	1.00	17.60	1.19	17.60
#FFFFFF	17.60	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011C3C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #06173b;
/* rgb */ color: rgb(6, 23, 59);
/* oklch */ color: oklch(21.6% 0.074 262.4);

Tailwind

colors: {
  custom: {
    50: '#505371',
    500: '#06173b',
    950: '#000000',
  },
}

SCSS

$custom: #06173b;
$custom-light: #505371;
$custom-dark: #000000;

JSON

{
  "hex": "#06173b",
  "rgb": {
    "r": 6,
    "g": 23,
    "b": 59
  },
  "hsl": {
    "h": 220.755,
    "s": 81.538,
    "l": 12.745
  },
  "oklch": {
    "l": 0.21615,
    "c": 0.07354,
    "h": 262.4
  },
  "luminance": 0.00967
}

Semantic roles & 50–950 ramp

primary

#06173B

secondary

#7B5E22

accent

#B830F8

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #06173B

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

Preview Lab → · Contrast checker → · Palette generator →