#174E7D#174E7D

#174E7D is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.097 H 248.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#174E7D
RGB	rgb(23, 78, 125)
HSL	hsl(208, 69%, 29%)
HSV	hsv(208, 82%, 49%)
CMYK	cmyk(81.6%, 37.6%, 0%, 51%)
CIE-LAB	lab(32.06, 0.20, -31.61)
CIE-LCH	lch(32.06, 31.61, 270.36°)
OKLab	oklab(41.36% -0.0352 -0.09)
OKLCH	oklch(41.36% 0.097 248.6)
XYZ	xyz(6.7780, 7.1108, 20.4134)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E7D #7D4617

analogous

#177D79 #174E7D #171B7D

triadic

#174E7D #7D174E #4E7D17

tetradic

#174E7D #79177D #7D4617 #1B7D17

square

#174E7D #79177D #7D4617 #1B7D17

split-complementary

#174E7D #7D171B #7D7917

monochromatic

#05101A #0D2E49 #174E7D #216EB1 #358EDA

Accessibility & contrast

On white

8.67

#174E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#174E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E7D

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E7D	#FFFFFF	#000000	##FFFFFF
##174E7D	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38507F

Deuteranopia (green-blind)

#29477C

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174e7d;
/* rgb */ color: rgb(23, 78, 125);
/* oklch */ color: oklch(41.4% 0.097 248.6);

Tailwind

colors: {
  custom: {
    50: '#657fa3',
    500: '#174e7d',
    950: '#000000',
  },
}

SCSS

$custom: #174e7d;
$custom-light: #657fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#174e7d",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 125
  },
  "hsl": {
    "h": 207.647,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41356,
    "c": 0.09668,
    "h": 248.6
  },
  "luminance": 0.07112
}

Semantic roles & 50–950 ramp

primary

#174E7D

secondary

#B2733E

accent

#8D3CEC

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#060A0F

muted

#7A7C7F

Preview Lab

Preview with #174E7D

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

Preview Lab → · Contrast checker → · Palette generator →