#173E61#173E61

#173E61 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.075 H 248.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#173E61
RGB	rgb(23, 62, 97)
HSL	hsl(208, 62%, 24%)
HSV	hsv(208, 76%, 38%)
CMYK	cmyk(76.3%, 36.1%, 0%, 62%)
CIE-LAB	lab(25.23, -0.48, -24.67)
CIE-LCH	lch(25.23, 24.68, 268.88°)
OKLab	oklab(35.47% -0.0273 -0.07)
OKLCH	oklch(35.47% 0.075 248.7)
XYZ	xyz(4.2328, 4.4900, 11.9505)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E61 #613A17

analogous

#17615F #173E61 #171961

triadic

#173E61 #61173E #3E6117

tetradic

#173E61 #5F1761 #613A17 #196117

square

#173E61 #5F1761 #613A17 #196117

split-complementary

#173E61 #611719 #615F17

monochromatic

#061019 #0B1E30 #173E61 #235E92 #2E7DC4

Accessibility & contrast

On white

11.06

#173E61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#173E61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E61

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E61	#FFFFFF	#000000	##FFFFFF
##173E61	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4062

Deuteranopia (green-blind)

#243960

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173e61;
/* rgb */ color: rgb(23, 62, 97);
/* oklch */ color: oklch(35.5% 0.075 248.7);

Tailwind

colors: {
  custom: {
    50: '#5f738e',
    500: '#173e61',
    950: '#000000',
  },
}

SCSS

$custom: #173e61;
$custom-light: #5f738e;
$custom-dark: #000000;

JSON

{
  "hex": "#173e61",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 97
  },
  "hsl": {
    "h": 208.378,
    "s": 61.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35466,
    "c": 0.07517,
    "h": 248.7
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#173E61

secondary

#98673C

accent

#9043E5

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #173E61

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

Preview Lab → · Contrast checker → · Palette generator →