#4178C1#4178C1

#4178C1 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.128 H 256.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4178C1
RGB	rgb(65, 120, 193)
HSL	hsl(214, 51%, 51%)
HSV	hsv(214, 66%, 76%)
CMYK	cmyk(66.3%, 37.8%, 0%, 24.3%)
CIE-LAB	lab(49.98, 5.45, -43.58)
CIE-LCH	lch(49.98, 43.92, 277.13°)
OKLab	oklab(57.01% -0.0304 -0.1239)
OKLCH	oklch(57.01% 0.128 256.2)
XYZ	xyz(18.5186, 18.4052, 53.0183)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178C1 #C18A41

analogous

#41B8C1 #4178C1 #4A41C1

triadic

#4178C1 #C14178 #78C141

tetradic

#4178C1 #C141B8 #C18A41 #41C14A

square

#4178C1 #C141B8 #C18A41 #41C14A

split-complementary

#4178C1 #C14A41 #B8C141

monochromatic

#213F66 #305B94 #4178C1 #6F99D0 #9DBADF

Accessibility & contrast

On white

4.49

#4178C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4178C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4178C1

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178C1	#FFFFFF	#000000	##000000
##4178C1	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587DC4

Deuteranopia (green-blind)

#4571C0

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4178c1;
/* rgb */ color: rgb(65, 120, 193);
/* oklch */ color: oklch(57.0% 0.128 256.2);

Tailwind

colors: {
  custom: {
    50: '#839ed4',
    500: '#4178c1',
    950: '#000000',
  },
}

SCSS

$custom: #4178c1;
$custom-light: #839ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#4178c1",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 193
  },
  "hsl": {
    "h": 214.219,
    "s": 50.794,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57008,
    "c": 0.12758,
    "h": 256.2
  },
  "luminance": 0.18407
}

Semantic roles & 50–950 ramp

primary

#4178C1

secondary

#CBB392

accent

#9E4EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4178C1

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

Preview Lab → · Contrast checker → · Palette generator →