#4178A0#4178A0

#4178A0 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.086 H 242.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4178A0
RGB	rgb(65, 120, 160)
HSL	hsl(205, 42%, 44%)
HSV	hsv(205, 59%, 63%)
CMYK	cmyk(59.4%, 25%, 0%, 37.3%)
CIE-LAB	lab(48.38, -5.86, -26.98)
CIE-LCH	lch(48.38, 27.61, 257.75°)
OKLab	oklab(55.22% -0.0401 -0.0756)
OKLCH	oklch(55.22% 0.086 242.1)
XYZ	xyz(15.2393, 17.0934, 35.7472)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178A0 #A06941

analogous

#41A099 #4178A0 #4149A0

triadic

#4178A0 #A04178 #78A041

tetradic

#4178A0 #9941A0 #A06941 #49A041

square

#4178A0 #9941A0 #A06941 #49A041

split-complementary

#4178A0 #A04149 #A09941

monochromatic

#1E3749 #2F5774 #4178A0 #6097BE #8BB3D0

Accessibility & contrast

On white

4.75

#4178A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#4178A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4178A0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178A0	#FFFFFF	#000000	##FFFFFF
##4178A0	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6678A2

Deuteranopia (green-blind)

#596F9F

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4178a0;
/* rgb */ color: rgb(65, 120, 160);
/* oklch */ color: oklch(55.2% 0.086 242.1);

Tailwind

colors: {
  custom: {
    50: '#7e9ebc',
    500: '#4178a0',
    950: '#000000',
  },
}

SCSS

$custom: #4178a0;
$custom-light: #7e9ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#4178a0",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 160
  },
  "hsl": {
    "h": 205.263,
    "s": 42.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5522,
    "c": 0.08558,
    "h": 242.1
  },
  "luminance": 0.17095
}

Semantic roles & 50–950 ramp

primary

#4178A0

secondary

#BB9A82

accent

#8A56D2

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #4178A0

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

Preview Lab → · Contrast checker → · Palette generator →