#40779B#40779B

#40779B is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.7% C 0.081 H 239.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#40779B
RGB	rgb(64, 119, 155)
HSL	hsl(204, 42%, 43%)
HSV	hsv(204, 59%, 61%)
CMYK	cmyk(58.7%, 23.2%, 0%, 39.2%)
CIE-LAB	lab(47.81, -7.13, -24.92)
CIE-LCH	lch(47.81, 25.92, 254.03°)
OKLab	oklab(54.69% -0.0414 -0.0697)
OKLCH	oklch(54.69% 0.081 239.3)
XYZ	xyz(14.6254, 16.6489, 33.4468)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40779B #9B6440

analogous

#409B91 #40779B #40499B

triadic

#40779B #9B4077 #779B40

tetradic

#40779B #91409B #9B6440 #499B40

square

#40779B #91409B #9B6440 #499B40

split-complementary

#40779B #9B4049 #9B9140

monochromatic

#1C3444 #2E5670 #40779B #5C96BC #88B2CE

Accessibility & contrast

On white

4.85

#40779B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#40779B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40779B

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40779B	#FFFFFF	#000000	##FFFFFF
##40779B	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67779D

Deuteranopia (green-blind)

#5A6D9A

Tritanopia (blue-blind)

#008083

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #40779b;
/* rgb */ color: rgb(64, 119, 155);
/* oklch */ color: oklch(54.7% 0.081 239.3);

Tailwind

colors: {
  custom: {
    50: '#7d9eb8',
    500: '#40779b',
    950: '#000000',
  },
}

SCSS

$custom: #40779b;
$custom-light: #7d9eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#40779b",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 155
  },
  "hsl": {
    "h": 203.736,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.54691,
    "c": 0.08113,
    "h": 239.3
  },
  "luminance": 0.1665
}

Semantic roles & 50–950 ramp

primary

#40779B

secondary

#B8957E

accent

#8756D1

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #40779B

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

Preview Lab → · Contrast checker → · Palette generator →