#4178A1#4178A1

#4178A1 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.087 H 242.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4178A1
RGB	rgb(65, 120, 161)
HSL	hsl(206, 42%, 44%)
HSV	hsv(206, 60%, 63%)
CMYK	cmyk(59.6%, 25.5%, 0%, 36.9%)
CIE-LAB	lab(48.42, -5.53, -27.49)
CIE-LCH	lch(48.42, 28.04, 258.63°)
OKLab	oklab(55.27% -0.0397 -0.0771)
OKLCH	oklch(55.27% 0.087 242.7)
XYZ	xyz(15.3271, 17.1286, 36.2097)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4178A1 #A16A41

analogous

#41A19A #4178A1 #4148A1

triadic

#4178A1 #A14178 #78A141

tetradic

#4178A1 #9A41A1 #A16A41 #48A141

square

#4178A1 #9A41A1 #A16A41 #48A141

split-complementary

#4178A1 #A14148 #A19A41

monochromatic

#1E374A #2F5875 #4178A1 #6097BF #8CB3D1

Accessibility & contrast

On white

4.74

#4178A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4178A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4178A1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4178A1	#FFFFFF	#000000	##FFFFFF
##4178A1	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6678A3

Deuteranopia (green-blind)

#596FA0

Tritanopia (blue-blind)

#008286

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4178a1;
/* rgb */ color: rgb(65, 120, 161);
/* oklch */ color: oklch(55.3% 0.087 242.7);

Tailwind

colors: {
  custom: {
    50: '#7e9ebd',
    500: '#4178a1',
    950: '#000000',
  },
}

SCSS

$custom: #4178a1;
$custom-light: #7e9ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#4178a1",
  "rgb": {
    "r": 65,
    "g": 120,
    "b": 161
  },
  "hsl": {
    "h": 205.625,
    "s": 42.478,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5527,
    "c": 0.08675,
    "h": 242.7
  },
  "luminance": 0.1713
}

Semantic roles & 50–950 ramp

primary

#4178A1

secondary

#BB9B82

accent

#8B56D2

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #4178A1

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

Preview Lab → · Contrast checker → · Palette generator →