#40587C#40587C

#40587C is a mid, moderate blue. Relative luminance 0.095; OKLCH L 45.7% C 0.066 H 258.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#40587C
RGB	rgb(64, 88, 124)
HSL	hsl(216, 32%, 37%)
HSV	hsv(216, 48%, 49%)
CMYK	cmyk(48.4%, 29%, 0%, 51.4%)
CIE-LAB	lab(36.97, 1.58, -23.14)
CIE-LCH	lch(36.97, 23.19, 273.89°)
OKLab	oklab(45.7% -0.0134 -0.0647)
OKLCH	oklch(45.7% 0.066 258.3)
XYZ	xyz(9.2410, 9.5241, 20.4163)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40587C #7C6440

analogous

#40767C #40587C #46407C

triadic

#40587C #7C4058 #587C40

tetradic

#40587C #7C4076 #7C6440 #407C46

square

#40587C #7C4076 #7C6440 #407C46

split-complementary

#40587C #7C4640 #767C40

monochromatic

#161F2B #2B3B54 #40587C #5575A4 #7B95BB

Accessibility & contrast

On white

7.23

#40587C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#40587C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40587C

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40587C	#FFFFFF	#000000	##FFFFFF
##40587C	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5A7E

Deuteranopia (green-blind)

#43547B

Tritanopia (blue-blind)

#286065

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #40587c;
/* rgb */ color: rgb(64, 88, 124);
/* oklch */ color: oklch(45.7% 0.066 258.3);

Tailwind

colors: {
  custom: {
    50: '#7887a2',
    500: '#40587c',
    950: '#000000',
  },
}

SCSS

$custom: #40587c;
$custom-light: #7887a2;
$custom-dark: #000000;

JSON

{
  "hex": "#40587c",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 124
  },
  "hsl": {
    "h": 216,
    "s": 31.915,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45696,
    "c": 0.06609,
    "h": 258.3
  },
  "luminance": 0.09525
}

Semantic roles & 50–950 ramp

primary

#40587C

secondary

#A69172

accent

#9E60C8

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #40587C

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

Preview Lab → · Contrast checker → · Palette generator →