#174A7F#174A7F

#174A7F is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.5% C 0.104 H 252.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#174A7F
RGB	rgb(23, 74, 127)
HSL	hsl(211, 69%, 29%)
HSV	hsv(211, 82%, 50%)
CMYK	cmyk(81.9%, 41.7%, 0%, 50.2%)
CIE-LAB	lab(30.90, 3.66, -34.69)
CIE-LCH	lch(30.90, 34.88, 276.03°)
OKLab	oklab(40.49% -0.0309 -0.0991)
OKLCH	oklch(40.49% 0.104 252.7)
XYZ	xyz(6.6315, 6.6112, 21.0011)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A7F #7F4C17

analogous

#177E7F #174A7F #18177F

triadic

#174A7F #7F174A #4A7F17

tetradic

#174A7F #7F177E #7F4C17 #177F18

square

#174A7F #7F177E #7F4C17 #177F18

split-complementary

#174A7F #7F1817 #7E7F17

monochromatic

#050F1A #0E2C4B #174A7F #2068B3 #3687DB

Accessibility & contrast

On white

9.04

#174A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#174A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A7F

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A7F	#FFFFFF	#000000	##FFFFFF
##174A7F	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304E81

Deuteranopia (green-blind)

#1F447E

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174a7f;
/* rgb */ color: rgb(23, 74, 127);
/* oklch */ color: oklch(40.5% 0.104 252.7);

Tailwind

colors: {
  custom: {
    50: '#667ca4',
    500: '#174a7f',
    950: '#000000',
  },
}

SCSS

$custom: #174a7f;
$custom-light: #667ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#174a7f",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 127
  },
  "hsl": {
    "h": 210.577,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40492,
    "c": 0.10385,
    "h": 252.7
  },
  "luminance": 0.06612
}

Semantic roles & 50–950 ramp

primary

#174A7F

secondary

#B47A3E

accent

#963CEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174A7F

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

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