#172C76#172C76

#172C76 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.8% C 0.129 H 266.8°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#172C76
RGB	rgb(23, 44, 118)
HSL	hsl(227, 67%, 28%)
HSV	hsv(227, 81%, 46%)
CMYK	cmyk(80.5%, 62.7%, 0%, 53.7%)
CIE-LAB	lab(21.17, 20.96, -44.72)
CIE-LCH	lch(21.17, 49.38, 295.11°)
OKLab	oklab(32.84% -0.0073 -0.1292)
OKLCH	oklch(32.84% 0.129 266.8)
XYZ	xyz(4.5229, 3.2910, 17.5329)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C76 #766117

analogous

#175B76 #172C76 #321776

triadic

#172C76 #76172C #2C7617

tetradic

#172C76 #76175B #766117 #177632

square

#172C76 #76175B #766117 #177632

split-complementary

#172C76 #763217 #5B7617

monochromatic

#050A1A #0D1943 #172C76 #213FA9 #3155D7

Accessibility & contrast

On white

12.66

#172C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#172C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C76

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C76	#FFFFFF	#000000	##FFFFFF
##172C76	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003778

Deuteranopia (green-blind)

#002F75

Tritanopia (blue-blind)

#003F4C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172c76;
/* rgb */ color: rgb(23, 44, 118);
/* oklch */ color: oklch(32.8% 0.129 266.8);

Tailwind

colors: {
  custom: {
    50: '#65649e',
    500: '#172c76',
    950: '#000000',
  },
}

SCSS

$custom: #172c76;
$custom-light: #65649e;
$custom-dark: #000000;

JSON

{
  "hex": "#172c76",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 118
  },
  "hsl": {
    "h": 226.737,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3284,
    "c": 0.12943,
    "h": 266.8
  },
  "luminance": 0.03292
}

Semantic roles & 50–950 ramp

primary

#172C76

secondary

#AB933E

accent

#C43EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #172C76

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

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