#4178AF#4178AF

#4178AF is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 56.0% C 0.104 H 250.2°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4178AF
RGB	rgb(65, 120, 175)
HSL	hsl(210, 46%, 47%)
HSV	hsv(210, 63%, 69%)
CMYK	cmyk(62.9%, 31.4%, 0%, 31.4%)
CIE-LAB	lab(49.07, -0.81, -34.64)
CIE-LCH	lch(49.07, 34.65, 268.66°)
OKLab	oklab(55.99% -0.0352 -0.0978)
OKLCH	oklch(55.99% 0.104 250.2)
XYZ	xyz(16.6315, 17.6503, 43.0795)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178AF #AF7841

analogous

#41AFAF #4178AF #4141AF

triadic

#4178AF #AF4178 #78AF41

tetradic

#4178AF #AF41AF #AF7841 #41AF41

square

#4178AF #AF41AF #AF7841 #41AF41

split-complementary

#4178AF #AF4141 #AFAF41

monochromatic

#203B56 #305982 #4178AF #6797C6 #93B5D7

Accessibility & contrast

On white

4.64

#4178AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#4178AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4178AF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178AF	#FFFFFF	#000000	##FFFFFF
##4178AF	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#607AB1

Deuteranopia (green-blind)

#5270AE

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4178af;
/* rgb */ color: rgb(65, 120, 175);
/* oklch */ color: oklch(56.0% 0.104 250.2);

Tailwind

colors: {
  custom: {
    50: '#809ec7',
    500: '#4178af',
    950: '#000000',
  },
}

SCSS

$custom: #4178af;
$custom-light: #809ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#4178af",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 175
  },
  "hsl": {
    "h": 210,
    "s": 45.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55993,
    "c": 0.10396,
    "h": 250.2
  },
  "luminance": 0.17652
}

Semantic roles & 50–950 ramp

primary

#4178AF

secondary

#C2A689

accent

#9452D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4178AF

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

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