#172E8E#172E8E

#172E8E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.160 H 266.8°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#172E8E
RGB	rgb(23, 46, 142)
HSL	hsl(228, 72%, 32%)
HSV	hsv(228, 84%, 56%)
CMYK	cmyk(83.8%, 67.6%, 0%, 44.3%)
CIE-LAB	lab(23.96, 29.15, -55.26)
CIE-LCH	lch(23.96, 62.47, 297.81°)
OKLab	oklab(35.59% -0.009 -0.1601)
OKLCH	oklch(35.59% 0.16 266.8)
XYZ	xyz(6.2111, 4.0884, 26.0477)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E8E #8E7717

analogous

#176A8E #172E8E #3B178E

triadic

#172E8E #8E172E #2E8E17

tetradic

#172E8E #8E176A #8E7717 #178E3B

square

#172E8E #8E176A #8E7717 #178E3B

split-complementary

#172E8E #8E3B17 #6A8E17

monochromatic

#060C25 #0E1D59 #172E8E #203FC3 #3F5EE0

Accessibility & contrast

On white

11.55

#172E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#172E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E8E

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E8E	#FFFFFF	#000000	##FFFFFF
##172E8E	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #172e8e;
/* rgb */ color: rgb(23, 46, 142);
/* oklch */ color: oklch(35.6% 0.160 266.8);

Tailwind

colors: {
  custom: {
    50: '#6b66b0',
    500: '#172e8e',
    950: '#000000',
  },
}

SCSS

$custom: #172e8e;
$custom-light: #6b66b0;
$custom-dark: #000000;

JSON

{
  "hex": "#172e8e",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 142
  },
  "hsl": {
    "h": 228.403,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35591,
    "c": 0.16031,
    "h": 266.8
  },
  "luminance": 0.04089
}

Semantic roles & 50–950 ramp

primary

#172E8E

secondary

#C0A840

accent

#CC39EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #172E8E

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

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