#174C80#174C80

#174C80 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.103 H 251.6°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#174C80
RGB	rgb(23, 76, 128)
HSL	hsl(210, 70%, 30%)
HSV	hsv(210, 82%, 50%)
CMYK	cmyk(82%, 40.6%, 0%, 49.8%)
CIE-LAB	lab(31.60, 2.73, -34.20)
CIE-LCH	lch(31.60, 34.31, 274.57°)
OKLab	oklab(41.05% -0.0325 -0.0977)
OKLCH	oklch(41.05% 0.103 251.6)
XYZ	xyz(6.8326, 6.9087, 21.3913)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C80 #804B17

analogous

#17807F #174C80 #171880

triadic

#174C80 #80174C #4C8017

tetradic

#174C80 #7F1780 #804B17 #188017

square

#174C80 #7F1780 #804B17 #188017

split-complementary

#174C80 #801718 #807F17

monochromatic

#050F1A #0E2D4C #174C80 #206BB4 #3689DB

Accessibility & contrast

On white

8.82

#174C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#174C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C80

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C80	#FFFFFF	#000000	##FFFFFF
##174C80	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335082

Deuteranopia (green-blind)

#22467F

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174c80;
/* rgb */ color: rgb(23, 76, 128);
/* oklch */ color: oklch(41.1% 0.103 251.6);

Tailwind

colors: {
  custom: {
    50: '#667da5',
    500: '#174c80',
    950: '#000000',
  },
}

SCSS

$custom: #174c80;
$custom-light: #667da5;
$custom-dark: #000000;

JSON

{
  "hex": "#174c80",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 128
  },
  "hsl": {
    "h": 209.714,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41053,
    "c": 0.10295,
    "h": 251.6
  },
  "luminance": 0.0691
}

Semantic roles & 50–950 ramp

primary

#174C80

secondary

#B4793E

accent

#933BEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #174C80

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

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