#172F6E#172F6E

#172F6E is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.8% C 0.114 H 264.9°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#172F6E
RGB	rgb(23, 47, 110)
HSL	hsl(223, 65%, 26%)
HSV	hsv(223, 79%, 43%)
CMYK	cmyk(79.1%, 57.3%, 0%, 56.9%)
CIE-LAB	lab(21.36, 15.50, -39.28)
CIE-LCH	lch(21.36, 42.23, 291.54°)
OKLab	oklab(32.77% -0.01 -0.1132)
OKLCH	oklch(32.77% 0.114 264.9)
XYZ	xyz(4.1833, 3.3405, 15.1731)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F6E #6E5617

analogous

#175A6E #172F6E #2A176E

triadic

#172F6E #6E172F #2F6E17

tetradic

#172F6E #6E175A #6E5617 #176E2A

square

#172F6E #6E175A #6E5617 #176E2A

split-complementary

#172F6E #6E2A17 #5A6E17

monochromatic

#050B19 #0C193B #172F6E #2245A1 #2C5AD3

Accessibility & contrast

On white

12.59

#172F6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#172F6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F6E

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F6E	#FFFFFF	#000000	##FFFFFF
##172F6E	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003770

Deuteranopia (green-blind)

#002F6D

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172f6e;
/* rgb */ color: rgb(23, 47, 110);
/* oklch */ color: oklch(32.8% 0.114 264.9);

Tailwind

colors: {
  custom: {
    50: '#626798',
    500: '#172f6e',
    950: '#000000',
  },
}

SCSS

$custom: #172f6e;
$custom-light: #626798;
$custom-dark: #000000;

JSON

{
  "hex": "#172f6e",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 110
  },
  "hsl": {
    "h": 223.448,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32765,
    "c": 0.11364,
    "h": 264.9
  },
  "luminance": 0.03341
}

Semantic roles & 50–950 ramp

primary

#172F6E

secondary

#A4873D

accent

#BA3FE8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #172F6E

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

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