#17455E#17455E

#17455E is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.1% C 0.065 H 236.3°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#17455E
RGB	rgb(23, 69, 94)
HSL	hsl(201, 61%, 23%)
HSV	hsv(201, 76%, 37%)
CMYK	cmyk(75.5%, 26.6%, 0%, 63.1%)
CIE-LAB	lab(27.42, -6.28, -19.29)
CIE-LCH	lch(27.42, 20.29, 251.97°)
OKLab	oklab(37.15% -0.0362 -0.0543)
OKLCH	oklch(37.15% 0.065 236.3)
XYZ	xyz(4.5011, 5.2461, 11.3629)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17455E #5E3017

analogous

#175E53 #17455E #17215E

triadic

#17455E #5E1745 #455E17

tetradic

#17455E #53175E #5E3017 #215E17

square

#17455E #53175E #5E3017 #215E17

split-complementary

#17455E #5E1721 #5E5317

monochromatic

#061219 #0B212D #17455E #23698F #2F8DC0

Accessibility & contrast

On white

10.25

#17455E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#17455E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17455E

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17455E	#FFFFFF	#000000	##FFFFFF
##17455E	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39455F

Deuteranopia (green-blind)

#2F3E5E

Tritanopia (blue-blind)

#004B4E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #17455e;
/* rgb */ color: rgb(23, 69, 94);
/* oklch */ color: oklch(37.1% 0.065 236.3);

Tailwind

colors: {
  custom: {
    50: '#5f788b',
    500: '#17455e',
    950: '#000000',
  },
}

SCSS

$custom: #17455e;
$custom-light: #5f788b;
$custom-dark: #000000;

JSON

{
  "hex": "#17455e",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 94
  },
  "hsl": {
    "h": 201.127,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.37149,
    "c": 0.06529,
    "h": 236.3
  },
  "luminance": 0.05247
}

Semantic roles & 50–950 ramp

primary

#17455E

secondary

#955B3C

accent

#7C44E4

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #17455E

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

Preview Lab → · Contrast checker → · Palette generator →