#174F7B#174F7B

#174F7B is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.093 H 246.7°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#174F7B
RGB	rgb(23, 79, 123)
HSL	hsl(206, 68%, 29%)
HSV	hsv(206, 81%, 48%)
CMYK	cmyk(81.3%, 35.8%, 0%, 51.8%)
CIE-LAB	lab(32.27, -1.26, -30.04)
CIE-LCH	lch(32.27, 30.06, 267.60°)
OKLab	oklab(41.48% -0.0368 -0.0854)
OKLCH	oklch(41.48% 0.093 246.7)
XYZ	xyz(6.7231, 7.2034, 19.7711)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F7B #7B4317

analogous

#177B75 #174F7B #171D7B

triadic

#174F7B #7B174F #4F7B17

tetradic

#174F7B #75177B #7B4317 #1D7B17

square

#174F7B #75177B #7B4317 #1D7B17

split-complementary

#174F7B #7B171D #7B7517

monochromatic

#05111A #0D2E47 #174F7B #2170AF #3390D9

Accessibility & contrast

On white

8.60

#174F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#174F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F7B

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F7B	#FFFFFF	#000000	##FFFFFF
##174F7B	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B517D

Deuteranopia (green-blind)

#2C487A

Tritanopia (blue-blind)

#005A5F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #174f7b;
/* rgb */ color: rgb(23, 79, 123);
/* oklch */ color: oklch(41.5% 0.093 246.7);

Tailwind

colors: {
  custom: {
    50: '#6580a1',
    500: '#174f7b',
    950: '#000000',
  },
}

SCSS

$custom: #174f7b;
$custom-light: #6580a1;
$custom-dark: #000000;

JSON

{
  "hex": "#174f7b",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 123
  },
  "hsl": {
    "h": 206.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.41482,
    "c": 0.09301,
    "h": 246.7
  },
  "luminance": 0.07204
}

Semantic roles & 50–950 ramp

primary

#174F7B

secondary

#B0703E

accent

#893CEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #174F7B

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

Preview Lab → · Contrast checker → · Palette generator →