#174B64#174B64

#174B64 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.1% C 0.068 H 233.5°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#174B64
RGB	rgb(23, 75, 100)
HSL	hsl(199, 63%, 24%)
HSV	hsv(199, 77%, 39%)
CMYK	cmyk(77%, 25%, 0%, 60.8%)
CIE-LAB	lab(29.75, -7.76, -19.52)
CIE-LCH	lch(29.75, 21.00, 248.33°)
OKLab	oklab(39.09% -0.0406 -0.0549)
OKLCH	oklch(39.09% 0.068 233.5)
XYZ	xyz(5.1688, 6.1338, 12.9657)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B64 #643017

analogous

#176457 #174B64 #172464

triadic

#174B64 #64174B #4B6417

tetradic

#174B64 #571764 #643017 #246417

square

#174B64 #571764 #643017 #246417

split-complementary

#174B64 #641724 #645717

monochromatic

#061319 #0C2632 #174B64 #227096 #2E96C8

Accessibility & contrast

On white

9.43

#174B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#174B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B64

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B64	#FFFFFF	#000000	##FFFFFF
##174B64	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4A65

Deuteranopia (green-blind)

#344364

Tritanopia (blue-blind)

#005253

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #174b64;
/* rgb */ color: rgb(23, 75, 100);
/* oklch */ color: oklch(39.1% 0.068 233.5);

Tailwind

colors: {
  custom: {
    50: '#607d90',
    500: '#174b64',
    950: '#000000',
  },
}

SCSS

$custom: #174b64;
$custom-light: #607d90;
$custom-dark: #000000;

JSON

{
  "hex": "#174b64",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 100
  },
  "hsl": {
    "h": 199.481,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39094,
    "c": 0.06832,
    "h": 233.5
  },
  "luminance": 0.06134
}

Semantic roles & 50–950 ramp

primary

#174B64

secondary

#9A5B3C

accent

#7742E6

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #174B64

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

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