#17455D#17455D

#17455D is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.1% C 0.064 H 235.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#17455D
RGB	rgb(23, 69, 93)
HSL	hsl(201, 60%, 23%)
HSV	hsv(201, 75%, 36%)
CMYK	cmyk(75.3%, 25.8%, 0%, 63.5%)
CIE-LAB	lab(27.38, -6.67, -18.72)
CIE-LCH	lch(27.38, 19.87, 250.40°)
OKLab	oklab(37.09% -0.0366 -0.0527)
OKLCH	oklch(37.09% 0.064 235.2)
XYZ	xyz(4.4565, 5.2282, 11.1281)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17455D #5D2F17

analogous

#175D52 #17455D #17225D

triadic

#17455D #5D1745 #455D17

tetradic

#17455D #52175D #5D2F17 #225D17

square

#17455D #52175D #5D2F17 #225D17

split-complementary

#17455D #5D1722 #5D5217

monochromatic

#061219 #0B212C #17455D #23698E #2F8EBF

Accessibility & contrast

On white

10.26

#17455D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#17455D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17455D

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17455D	#FFFFFF	#000000	##FFFFFF
##17455D	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445E

Deuteranopia (green-blind)

#303E5D

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #17455d;
/* rgb */ color: rgb(23, 69, 93);
/* oklch */ color: oklch(37.1% 0.064 235.2);

Tailwind

colors: {
  custom: {
    50: '#5e788b',
    500: '#17455d',
    950: '#000000',
  },
}

SCSS

$custom: #17455d;
$custom-light: #5e788b;
$custom-dark: #000000;

JSON

{
  "hex": "#17455d",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 93
  },
  "hsl": {
    "h": 200.571,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.37093,
    "c": 0.06415,
    "h": 235.2
  },
  "luminance": 0.05229
}

Semantic roles & 50–950 ramp

primary

#17455D

secondary

#945A3C

accent

#7B44E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #17455D

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

Preview Lab → · Contrast checker → · Palette generator →