#4078A3#4078A3

#4078A3 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.090 H 243.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4078A3
RGB	rgb(64, 120, 163)
HSL	hsl(206, 44%, 45%)
HSV	hsv(206, 61%, 64%)
CMYK	cmyk(60.7%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(48.47, -5.07, -28.59)
CIE-LCH	lch(48.47, 29.04, 259.95°)
OKLab	oklab(55.32% -0.0398 -0.0803)
OKLCH	oklch(55.32% 0.09 243.6)
XYZ	xyz(15.4392, 17.1658, 37.1429)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4078A3 #A36B40

analogous

#40A39D #4078A3 #4046A3

triadic

#4078A3 #A34078 #78A340

tetradic

#4078A3 #9D40A3 #A36B40 #46A340

square

#4078A3 #9D40A3 #A36B40 #46A340

split-complementary

#4078A3 #A34046 #A39D40

monochromatic

#1D374B #2F5877 #4078A3 #6096C0 #8CB3D2

Accessibility & contrast

On white

4.74

#4078A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4078A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4078A3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4078A3	#FFFFFF	#000000	##FFFFFF
##4078A3	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)

#6579A5

Deuteranopia (green-blind)

#586FA2

Tritanopia (blue-blind)

#008287

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4078a3;
/* rgb */ color: rgb(64, 120, 163);
/* oklch */ color: oklch(55.3% 0.090 243.6);

Tailwind

colors: {
  custom: {
    50: '#7e9ebe',
    500: '#4078a3',
    950: '#000000',
  },
}

SCSS

$custom: #4078a3;
$custom-light: #7e9ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#4078a3",
  "rgb": {
    "r": 64,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 206.061,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55324,
    "c": 0.08964,
    "h": 243.6
  },
  "luminance": 0.17167
}

Semantic roles & 50–950 ramp

primary

#4078A3

secondary

#BD9C82

accent

#8C54D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #4078A3

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

Preview Lab → · Contrast checker → · Palette generator →