#175C78#175C78

#175C78 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.7% C 0.080 H 230.2°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#175C78
RGB	rgb(23, 92, 120)
HSL	hsl(197, 68%, 28%)
HSV	hsv(197, 81%, 47%)
CMYK	cmyk(80.8%, 23.3%, 0%, 52.9%)
CIE-LAB	lab(36.35, -10.53, -21.78)
CIE-LCH	lch(36.35, 24.19, 244.19°)
OKLab	oklab(44.67% -0.051 -0.0613)
OKLCH	oklch(44.67% 0.08 230.2)
XYZ	xyz(7.5693, 9.1916, 19.1409)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175C78 #783317

analogous

#177863 #175C78 #172B78

triadic

#175C78 #78175C #5C7817

tetradic

#175C78 #631778 #783317 #2B7817

square

#175C78 #631778 #783317 #2B7817

split-complementary

#175C78 #78172B #786317

monochromatic

#05141A #0D3545 #175C78 #2183AB #32A8D8

Accessibility & contrast

On white

7.40

#175C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#175C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175C78

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175C78	#FFFFFF	#000000	##FFFFFF
##175C78	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5B79

Deuteranopia (green-blind)

#415178

Tritanopia (blue-blind)

#006465

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #175c78;
/* rgb */ color: rgb(23, 92, 120);
/* oklch */ color: oklch(44.7% 0.080 230.2);

Tailwind

colors: {
  custom: {
    50: '#658a9f',
    500: '#175c78',
    950: '#000000',
  },
}

SCSS

$custom: #175c78;
$custom-light: #658a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#175c78",
  "rgb": {
    "r": 23,
    "g": 92,
    "b": 120
  },
  "hsl": {
    "h": 197.32,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.44673,
    "c": 0.07972,
    "h": 230.2
  },
  "luminance": 0.09193
}

Semantic roles & 50–950 ramp

primary

#175C78

secondary

#AD5E3E

accent

#6F3DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #175C78

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

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