#4178C2#4178C2

#4178C2 is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 57.1% C 0.129 H 256.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4178C2
RGB	rgb(65, 120, 194)
HSL	hsl(214, 51%, 51%)
HSV	hsv(214, 66%, 76%)
CMYK	cmyk(66.5%, 38.1%, 0%, 23.9%)
CIE-LAB	lab(50.04, 5.80, -44.07)
CIE-LCH	lch(50.04, 44.45, 277.50°)
OKLab	oklab(57.07% -0.0302 -0.1253)
OKLCH	oklch(57.07% 0.129 256.5)
XYZ	xyz(18.6305, 18.4499, 53.6078)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178C2 #C28B41

analogous

#41B8C2 #4178C2 #4B41C2

triadic

#4178C2 #C24178 #78C241

tetradic

#4178C2 #C241B8 #C28B41 #41C24B

square

#4178C2 #C241B8 #C28B41 #41C24B

split-complementary

#4178C2 #C24B41 #B8C241

monochromatic

#213F67 #305B96 #4178C2 #6F99D1 #9EBAE0

Accessibility & contrast

On white

4.48

#4178C2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4178C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4178C2

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178C2	#FFFFFF	#000000	##000000
##4178C2	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577EC5

Deuteranopia (green-blind)

#4471C0

Tritanopia (blue-blind)

#008994

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4178c2;
/* rgb */ color: rgb(65, 120, 194);
/* oklch */ color: oklch(57.1% 0.129 256.5);

Tailwind

colors: {
  custom: {
    50: '#839ed5',
    500: '#4178c2',
    950: '#000000',
  },
}

SCSS

$custom: #4178c2;
$custom-light: #839ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#4178c2",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 194
  },
  "hsl": {
    "h": 214.419,
    "s": 51.394,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57067,
    "c": 0.12891,
    "h": 256.5
  },
  "luminance": 0.18452
}

Semantic roles & 50–950 ramp

primary

#4178C2

secondary

#CCB493

accent

#9E4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4178C2

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

Preview Lab → · Contrast checker → · Palette generator →