#175378#175378

#175378 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.3% C 0.086 H 240.8°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#175378
RGB	rgb(23, 83, 120)
HSL	hsl(203, 68%, 28%)
HSV	hsv(203, 81%, 47%)
CMYK	cmyk(80.8%, 30.8%, 0%, 52.9%)
CIE-LAB	lab(33.40, -5.01, -26.38)
CIE-LCH	lch(33.40, 26.86, 259.25°)
OKLab	oklab(42.33% -0.0418 -0.0747)
OKLCH	oklch(42.33% 0.086 240.8)
XYZ	xyz(6.8354, 7.7239, 18.8963)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175378 #783C17

analogous

#17786C #175378 #172278

triadic

#175378 #781753 #537817

tetradic

#175378 #6C1778 #783C17 #227817

square

#175378 #6C1778 #783C17 #227817

split-complementary

#175378 #781722 #786C17

monochromatic

#05121A #0D2F45 #175378 #2177AB #3298D8

Accessibility & contrast

On white

8.25

#175378 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#175378 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175378

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175378	#FFFFFF	#000000	##FFFFFF
##175378	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42547A

Deuteranopia (green-blind)

#344B77

Tritanopia (blue-blind)

#005C60

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #175378;
/* rgb */ color: rgb(23, 83, 120);
/* oklch */ color: oklch(42.3% 0.086 240.8);

Tailwind

colors: {
  custom: {
    50: '#64839f',
    500: '#175378',
    950: '#000000',
  },
}

SCSS

$custom: #175378;
$custom-light: #64839f;
$custom-dark: #000000;

JSON

{
  "hex": "#175378",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 120
  },
  "hsl": {
    "h": 202.887,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.42326,
    "c": 0.08559,
    "h": 240.8
  },
  "luminance": 0.07725
}

Semantic roles & 50–950 ramp

primary

#175378

secondary

#AD683E

accent

#7F3DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #175378

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

Preview Lab → · Contrast checker → · Palette generator →