#172E4A#172E4A

#172E4A is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.8% C 0.059 H 254.4°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#172E4A
RGB	rgb(23, 46, 74)
HSL	hsl(213, 53%, 19%)
HSV	hsv(213, 69%, 29%)
CMYK	cmyk(68.9%, 37.8%, 0%, 71%)
CIE-LAB	lab(18.50, 1.29, -20.06)
CIE-LCH	lch(18.50, 20.11, 273.69°)
OKLab	oklab(29.75% -0.0159 -0.0568)
OKLCH	oklch(29.75% 0.059 254.4)
XYZ	xyz(2.5659, 2.6303, 6.8497)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E4A #4A3317

analogous

#17484A #172E4A #1A174A

triadic

#172E4A #4A172E #2E4A17

tetradic

#172E4A #4A1748 #4A3317 #174A1A

square

#172E4A #4A1748 #4A3317 #174A1A

split-complementary

#172E4A #4A1A17 #484A17

monochromatic

#070F17 #08111B #172E4A #264B79 #3468A7

Accessibility & contrast

On white

13.76

#172E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#172E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E4A

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E4A	#FFFFFF	#000000	##FFFFFF
##172E4A	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22304B

Deuteranopia (green-blind)

#1B2B49

Tritanopia (blue-blind)

#003438

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172e4a;
/* rgb */ color: rgb(23, 46, 74);
/* oklch */ color: oklch(29.8% 0.059 254.4);

Tailwind

colors: {
  custom: {
    50: '#5a667c',
    500: '#172e4a',
    950: '#000000',
  },
}

SCSS

$custom: #172e4a;
$custom-light: #5a667c;
$custom-dark: #000000;

JSON

{
  "hex": "#172e4a",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 74
  },
  "hsl": {
    "h": 212.941,
    "s": 52.577,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29751,
    "c": 0.05897,
    "h": 254.4
  },
  "luminance": 0.02631
}

Semantic roles & 50–950 ramp

primary

#172E4A

secondary

#81623C

accent

#9B4CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040509

muted

#797A7B

Preview Lab

Preview with #172E4A

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

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