#4178BE#4178BE

#4178BE is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.124 H 255.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4178BE
RGB	rgb(65, 120, 190)
HSL	hsl(214, 49%, 50%)
HSV	hsv(214, 66%, 75%)
CMYK	cmyk(65.8%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(49.83, 4.39, -42.11)
CIE-LCH	lch(49.83, 42.34, 275.96°)
OKLab	oklab(56.83% -0.0311 -0.1196)
OKLCH	oklch(56.83% 0.124 255.4)
XYZ	xyz(18.1873, 18.2727, 51.2737)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178BE #BE8741

analogous

#41B7BE #4178BE #4841BE

triadic

#4178BE #BE4178 #78BE41

tetradic

#4178BE #BE41B7 #BE8741 #41BE48

square

#4178BE #BE41B7 #BE8741 #41BE48

split-complementary

#4178BE #BE4841 #B7BE41

monochromatic

#223E63 #315B90 #4178BE #6F98CE #9CB9DD

Accessibility & contrast

On white

4.51

#4178BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4178BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4178BE

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178BE	#FFFFFF	#000000	##000000
##4178BE	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597DC1

Deuteranopia (green-blind)

#4771BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4178be;
/* rgb */ color: rgb(65, 120, 190);
/* oklch */ color: oklch(56.8% 0.124 255.4);

Tailwind

colors: {
  custom: {
    50: '#829ed2',
    500: '#4178be',
    950: '#000000',
  },
}

SCSS

$custom: #4178be;
$custom-light: #829ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4178be",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 213.6,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.56832,
    "c": 0.12359,
    "h": 255.4
  },
  "luminance": 0.18274
}

Semantic roles & 50–950 ramp

primary

#4178BE

secondary

#C9B191

accent

#9C4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4178BE

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

Preview Lab → · Contrast checker → · Palette generator →