#40576D#40576D

#40576D is a dark, muted cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.046 H 247.8°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#40576D
RGB	rgb(64, 87, 109)
HSL	hsl(209, 26%, 34%)
HSV	hsv(209, 41%, 43%)
CMYK	cmyk(41.3%, 20.2%, 0%, 57.3%)
CIE-LAB	lab(36.00, -2.49, -15.37)
CIE-LCH	lch(36.00, 15.56, 260.81°)
OKLab	oklab(44.72% -0.0174 -0.0425)
OKLCH	oklch(44.72% 0.046 247.8)
XYZ	xyz(8.2820, 9.0100, 15.7677)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40576D #6D5640

analogous

#406D6D #40576D #40416D

triadic

#40576D #6D4057 #576D40

tetradic

#40576D #6D406D #6D5640 #416D40

square

#40576D #6D406D #6D5640 #416D40

split-complementary

#40576D #6D4041 #6D6D40

monochromatic

#131920 #293846 #40576D #577694 #7894B0

Accessibility & contrast

On white

7.49

#40576D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#40576D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40576D

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40576D	#FFFFFF	#000000	##FFFFFF
##40576D	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E576E

Deuteranopia (green-blind)

#49536D

Tritanopia (blue-blind)

#305C5E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #40576d;
/* rgb */ color: rgb(64, 87, 109);
/* oklch */ color: oklch(44.7% 0.046 247.8);

Tailwind

colors: {
  custom: {
    50: '#778697',
    500: '#40576d',
    950: '#000000',
  },
}

SCSS

$custom: #40576d;
$custom-light: #778697;
$custom-dark: #000000;

JSON

{
  "hex": "#40576d",
  "rgb": {
    "r": 64,
    "g": 87,
    "b": 109
  },
  "hsl": {
    "h": 209.333,
    "s": 26.012,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44716,
    "c": 0.04591,
    "h": 247.8
  },
  "luminance": 0.09011
}

Semantic roles & 50–950 ramp

primary

#40576D

secondary

#9B846E

accent

#9365C2

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0D

muted

#7B7C7E

Preview Lab

Preview with #40576D

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

Preview Lab → · Contrast checker → · Palette generator →