#4178C0#4178C0

#4178C0 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.9% C 0.126 H 255.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4178C0
RGB	rgb(65, 120, 192)
HSL	hsl(214, 50%, 50%)
HSV	hsv(214, 66%, 75%)
CMYK	cmyk(66.1%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(49.93, 5.10, -43.09)
CIE-LCH	lch(49.93, 43.39, 276.75°)
OKLab	oklab(56.95% -0.0307 -0.1225)
OKLCH	oklch(56.95% 0.126 255.9)
XYZ	xyz(18.4074, 18.3607, 52.4328)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178C0 #C08941

analogous

#41B7C0 #4178C0 #4941C0

triadic

#4178C0 #C04178 #78C041

tetradic

#4178C0 #C041B7 #C08941 #41C049

square

#4178C0 #C041B7 #C08941 #41C049

split-complementary

#4178C0 #C04941 #B7C041

monochromatic

#223F65 #315B93 #4178C0 #6F99CF #9DB9DE

Accessibility & contrast

On white

4.49

#4178C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#4178C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4178C0

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178C0	#FFFFFF	#000000	##000000
##4178C0	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587DC3

Deuteranopia (green-blind)

#4671BF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4178c0;
/* rgb */ color: rgb(65, 120, 192);
/* oklch */ color: oklch(56.9% 0.126 255.9);

Tailwind

colors: {
  custom: {
    50: '#829ed3',
    500: '#4178c0',
    950: '#000000',
  },
}

SCSS

$custom: #4178c0;
$custom-light: #829ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#4178c0",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 214.016,
    "s": 50.198,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56949,
    "c": 0.12625,
    "h": 255.9
  },
  "luminance": 0.18363
}

Semantic roles & 50–950 ramp

primary

#4178C0

secondary

#CBB292

accent

#9D4EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4178C0

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

Preview Lab → · Contrast checker → · Palette generator →