#4178A4#4178A4

#4178A4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.090 H 244.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4178A4
RGB	rgb(65, 120, 164)
HSL	hsl(207, 43%, 45%)
HSV	hsv(207, 60%, 64%)
CMYK	cmyk(60.4%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(48.56, -4.53, -29.04)
CIE-LCH	lch(48.56, 29.39, 261.13°)
OKLab	oklab(55.42% -0.0387 -0.0816)
OKLCH	oklch(55.42% 0.09 244.6)
XYZ	xyz(15.5948, 17.2357, 37.6197)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178A4 #A46D41

analogous

#41A49F #4178A4 #4146A4

triadic

#4178A4 #A44178 #78A441

tetradic

#4178A4 #9F41A4 #A46D41 #46A441

square

#4178A4 #9F41A4 #A46D41 #46A441

split-complementary

#4178A4 #A44146 #A49F41

monochromatic

#1E384C #305878 #4178A4 #6296C1 #8DB4D2

Accessibility & contrast

On white

4.72

#4178A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4178A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4178A4

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178A4	#FFFFFF	#000000	##FFFFFF
##4178A4	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A6

Deuteranopia (green-blind)

#576FA3

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4178a4;
/* rgb */ color: rgb(65, 120, 164);
/* oklch */ color: oklch(55.4% 0.090 244.6);

Tailwind

colors: {
  custom: {
    50: '#7e9ebf',
    500: '#4178a4',
    950: '#000000',
  },
}

SCSS

$custom: #4178a4;
$custom-light: #7e9ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#4178a4",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 206.667,
    "s": 43.231,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5542,
    "c": 0.0903,
    "h": 244.6
  },
  "luminance": 0.17237
}

Semantic roles & 50–950 ramp

primary

#4178A4

secondary

#BD9D84

accent

#8D55D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #4178A4

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

Preview Lab → · Contrast checker → · Palette generator →