#172E4D#172E4D

#172E4D is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.064 H 256.4°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#172E4D
RGB	rgb(23, 46, 77)
HSL	hsl(214, 54%, 20%)
HSV	hsv(214, 70%, 30%)
CMYK	cmyk(70.1%, 40.3%, 0%, 69.8%)
CIE-LAB	lab(18.68, 2.51, -21.81)
CIE-LCH	lch(18.68, 21.95, 276.56°)
OKLab	oklab(29.95% -0.015 -0.0619)
OKLCH	oklch(29.95% 0.064 256.4)
XYZ	xyz(2.6694, 2.6717, 7.3948)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E4D #4D3617

analogous

#17494D #172E4D #1B174D

triadic

#172E4D #4D172E #2E4D17

tetradic

#172E4D #4D1749 #4D3617 #174D1B

square

#172E4D #4D1749 #4D3617 #174D1B

split-complementary

#172E4D #4D1B17 #494D17

monochromatic

#070E18 #09121E #172E4D #254A7C #3366AB

Accessibility & contrast

On white

13.69

#172E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#172E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E4D

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E4D	#FFFFFF	#000000	##FFFFFF
##172E4D	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21304E

Deuteranopia (green-blind)

#192B4C

Tritanopia (blue-blind)

#003539

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172e4d;
/* rgb */ color: rgb(23, 46, 77);
/* oklch */ color: oklch(30.0% 0.064 256.4);

Tailwind

colors: {
  custom: {
    50: '#5a667f',
    500: '#172e4d',
    950: '#000000',
  },
}

SCSS

$custom: #172e4d;
$custom-light: #5a667f;
$custom-dark: #000000;

JSON

{
  "hex": "#172e4d",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 77
  },
  "hsl": {
    "h": 214.444,
    "s": 54,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29951,
    "c": 0.06367,
    "h": 256.4
  },
  "luminance": 0.02672
}

Semantic roles & 50–950 ramp

primary

#172E4D

secondary

#84653C

accent

#9F4ADD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #172E4D

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

Preview Lab → · Contrast checker → · Palette generator →