#172E43#172E43

#172E43 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.3% C 0.048 H 247.7°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#172E43
RGB	rgb(23, 46, 67)
HSL	hsl(209, 49%, 18%)
HSV	hsv(209, 66%, 26%)
CMYK	cmyk(65.7%, 31.3%, 0%, 73.7%)
CIE-LAB	lab(18.10, -1.48, -15.91)
CIE-LCH	lch(18.10, 15.98, 264.69°)
OKLab	oklab(29.31% -0.0183 -0.0447)
OKLCH	oklch(29.31% 0.048 247.7)
XYZ	xyz(2.3431, 2.5412, 5.6761)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E43 #432C17

analogous

#174342 #172E43 #171843

triadic

#172E43 #43172E #2E4317

tetradic

#172E43 #421743 #432C17 #184317

square

#172E43 #421743 #432C17 #184317

split-complementary

#172E43 #431718 #434217

monochromatic

#081017 #081017 #172E43 #274D71 #366D9E

Accessibility & contrast

On white

13.92

#172E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E43

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E43	#FFFFFF	#000000	##FFFFFF
##172E43	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252F44

Deuteranopia (green-blind)

#1F2A43

Tritanopia (blue-blind)

#003335

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172e43;
/* rgb */ color: rgb(23, 46, 67);
/* oklch */ color: oklch(29.3% 0.048 247.7);

Tailwind

colors: {
  custom: {
    50: '#586677',
    500: '#172e43',
    950: '#000000',
  },
}

SCSS

$custom: #172e43;
$custom-light: #586677;
$custom-dark: #000000;

JSON

{
  "hex": "#172e43",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 67
  },
  "hsl": {
    "h": 208.636,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29312,
    "c": 0.04834,
    "h": 247.7
  },
  "luminance": 0.02541
}

Semantic roles & 50–950 ramp

primary

#172E43

secondary

#7A593C

accent

#914FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040508

muted

#797A7B

Preview Lab

Preview with #172E43

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

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