#174D7E#174D7E

#174D7E is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.099 H 249.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#174D7E
RGB	rgb(23, 77, 126)
HSL	hsl(209, 69%, 29%)
HSV	hsv(209, 82%, 49%)
CMYK	cmyk(81.7%, 38.9%, 0%, 50.6%)
CIE-LAB	lab(31.80, 1.26, -32.64)
CIE-LCH	lch(31.80, 32.67, 272.21°)
OKLab	oklab(41.17% -0.034 -0.0931)
OKLCH	oklch(41.17% 0.099 249.9)
XYZ	xyz(6.7717, 6.9955, 20.7280)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D7E #7E4817

analogous

#177E7C #174D7E #17197E

triadic

#174D7E #7E174D #4D7E17

tetradic

#174D7E #7C177E #7E4817 #197E17

square

#174D7E #7C177E #7E4817 #197E17

split-complementary

#174D7E #7E1719 #7E7C17

monochromatic

#05101A #0E2D4A #174D7E #206DB2 #358CDA

Accessibility & contrast

On white

8.75

#174D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#174D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D7E

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D7E	#FFFFFF	#000000	##FFFFFF
##174D7E	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365080

Deuteranopia (green-blind)

#26477D

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174d7e;
/* rgb */ color: rgb(23, 77, 126);
/* oklch */ color: oklch(41.2% 0.099 249.9);

Tailwind

colors: {
  custom: {
    50: '#667ea3',
    500: '#174d7e',
    950: '#000000',
  },
}

SCSS

$custom: #174d7e;
$custom-light: #667ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#174d7e",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 126
  },
  "hsl": {
    "h": 208.544,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.4117,
    "c": 0.0991,
    "h": 249.9
  },
  "luminance": 0.06996
}

Semantic roles & 50–950 ramp

primary

#174D7E

secondary

#B3763E

accent

#903CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174D7E

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

Preview Lab → · Contrast checker → · Palette generator →