#174E7B#174E7B

#174E7B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.094 H 247.6°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#174E7B
RGB	rgb(23, 78, 123)
HSL	hsl(207, 68%, 29%)
HSV	hsv(207, 81%, 48%)
CMYK	cmyk(81.3%, 36.6%, 0%, 51.8%)
CIE-LAB	lab(31.94, -0.61, -30.55)
CIE-LCH	lch(31.94, 30.55, 268.86°)
OKLab	oklab(41.23% -0.0358 -0.0869)
OKLCH	oklch(41.23% 0.094 247.6)
XYZ	xyz(6.6515, 7.0602, 19.7472)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E7B #7B4417

analogous

#177B76 #174E7B #171C7B

triadic

#174E7B #7B174E #4E7B17

tetradic

#174E7B #76177B #7B4417 #1C7B17

square

#174E7B #76177B #7B4417 #1C7B17

split-complementary

#174E7B #7B171C #7B7617

monochromatic

#05101A #0D2D47 #174E7B #216FAF #338ED9

Accessibility & contrast

On white

8.71

#174E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#174E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E7B

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E7B	#FFFFFF	#000000	##FFFFFF
##174E7B	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39507D

Deuteranopia (green-blind)

#2A477A

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174e7b;
/* rgb */ color: rgb(23, 78, 123);
/* oklch */ color: oklch(41.2% 0.094 247.6);

Tailwind

colors: {
  custom: {
    50: '#657fa1',
    500: '#174e7b',
    950: '#000000',
  },
}

SCSS

$custom: #174e7b;
$custom-light: #657fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#174e7b",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 123
  },
  "hsl": {
    "h": 207,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.41229,
    "c": 0.09402,
    "h": 247.6
  },
  "luminance": 0.07061
}

Semantic roles & 50–950 ramp

primary

#174E7B

secondary

#B0713E

accent

#8B3CEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #174E7B

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

Preview Lab → · Contrast checker → · Palette generator →