#40586D#40586D

#40586D is a dark, muted cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.045 H 245.4°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#40586D
RGB	rgb(64, 88, 109)
HSL	hsl(208, 26%, 34%)
HSV	hsv(208, 41%, 43%)
CMYK	cmyk(41.3%, 19.3%, 0%, 57.3%)
CIE-LAB	lab(36.32, -3.11, -14.89)
CIE-LCH	lch(36.32, 15.21, 258.22°)
OKLab	oklab(44.96% -0.0188 -0.0411)
OKLCH	oklch(44.96% 0.045 245.4)
XYZ	xyz(8.3635, 9.1731, 15.7949)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40586D #6D5540

analogous

#406D6C #40586D #40426D

triadic

#40586D #6D4058 #586D40

tetradic

#40586D #6C406D #6D5540 #426D40

square

#40586D #6C406D #6D5540 #426D40

split-complementary

#40586D #6D4042 #6D6C40

monochromatic

#131A20 #293946 #40586D #577794 #7896B0

Accessibility & contrast

On white

7.41

#40586D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#40586D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40586D

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40586D	#FFFFFF	#000000	##FFFFFF
##40586D	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F586E

Deuteranopia (green-blind)

#4A536D

Tritanopia (blue-blind)

#305D5F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #40586d;
/* rgb */ color: rgb(64, 88, 109);
/* oklch */ color: oklch(45.0% 0.045 245.4);

Tailwind

colors: {
  custom: {
    50: '#778797',
    500: '#40586d',
    950: '#000000',
  },
}

SCSS

$custom: #40586d;
$custom-light: #778797;
$custom-dark: #000000;

JSON

{
  "hex": "#40586d",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 109
  },
  "hsl": {
    "h": 208,
    "s": 26.012,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44961,
    "c": 0.04524,
    "h": 245.4
  },
  "luminance": 0.09174
}

Semantic roles & 50–950 ramp

primary

#40586D

secondary

#9B836E

accent

#9165C2

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0D

muted

#7B7C7E

Preview Lab

Preview with #40586D

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

Preview Lab → · Contrast checker → · Palette generator →