#174B74#174B74

#174B74 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.0% C 0.088 H 246.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#174B74
RGB	rgb(23, 75, 116)
HSL	hsl(206, 67%, 27%)
HSV	hsv(206, 80%, 45%)
CMYK	cmyk(80.2%, 35.3%, 0%, 54.5%)
CIE-LAB	lab(30.58, -1.46, -28.33)
CIE-LCH	lch(30.58, 28.37, 267.05°)
OKLab	oklab(40.03% -0.035 -0.0805)
OKLCH	oklch(40.03% 0.088 246.5)
XYZ	xyz(6.0206, 6.4746, 17.4520)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B74 #744017

analogous

#17746F #174B74 #171C74

triadic

#174B74 #74174B #4B7417

tetradic

#174B74 #6F1774 #744017 #1C7417

square

#174B74 #6F1774 #744017 #1C7417

split-complementary

#174B74 #74171C #746F17

monochromatic

#05111A #0D2A41 #174B74 #216CA7 #308DD6

Accessibility & contrast

On white

9.15

#174B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#174B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B74

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B74	#FFFFFF	#000000	##FFFFFF
##174B74	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384D76

Deuteranopia (green-blind)

#2B4473

Tritanopia (blue-blind)

#00555A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174b74;
/* rgb */ color: rgb(23, 75, 116);
/* oklch */ color: oklch(40.0% 0.088 246.5);

Tailwind

colors: {
  custom: {
    50: '#637d9c',
    500: '#174b74',
    950: '#000000',
  },
}

SCSS

$custom: #174b74;
$custom-light: #637d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#174b74",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 116
  },
  "hsl": {
    "h": 206.452,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.40026,
    "c": 0.08778,
    "h": 246.5
  },
  "luminance": 0.06475
}

Semantic roles & 50–950 ramp

primary

#174B74

secondary

#A96D3D

accent

#8A3EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #174B74

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

Preview Lab → · Contrast checker → · Palette generator →