#40778F#40778F

#40778F is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.1% C 0.069 H 228.4°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#40778F
RGB	rgb(64, 119, 143)
HSL	hsl(198, 38%, 41%)
HSV	hsv(198, 55%, 56%)
CMYK	cmyk(55.2%, 16.8%, 0%, 43.9%)
CIE-LAB	lab(47.32, -10.99, -18.61)
CIE-LCH	lch(47.32, 21.61, 239.45°)
OKLab	oklab(54.14% -0.0459 -0.0517)
OKLCH	oklch(54.14% 0.069 228.4)
XYZ	xyz(13.6672, 16.2656, 28.4006)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40778F #8F5840

analogous

#408F7F #40778F #404F8F

triadic

#40778F #8F4077 #778F40

tetradic

#40778F #7F408F #8F5840 #4F8F40

square

#40778F #7F408F #8F5840 #4F8F40

split-complementary

#40778F #8F404F #8F7F40

monochromatic

#1A313A #2D5465 #40778F #5898B4 #82B2C7

Accessibility & contrast

On white

4.94

#40778F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#40778F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40778F

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40778F	#FFFFFF	#000000	##FFFFFF
##40778F	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7590

Deuteranopia (green-blind)

#5F6D8F

Tritanopia (blue-blind)

#047E7F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #40778f;
/* rgb */ color: rgb(64, 119, 143);
/* oklch */ color: oklch(54.1% 0.069 228.4);

Tailwind

colors: {
  custom: {
    50: '#7b9eaf',
    500: '#40778f',
    950: '#000000',
  },
}

SCSS

$custom: #40778f;
$custom-light: #7b9eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#40778f",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 143
  },
  "hsl": {
    "h": 198.228,
    "s": 38.164,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54136,
    "c": 0.06919,
    "h": 228.4
  },
  "luminance": 0.16267
}

Semantic roles & 50–950 ramp

primary

#40778F

secondary

#B28A79

accent

#7D5ACE

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #40778F

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

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