#40587D#40587D

#40587D is a mid, moderate blue. Relative luminance 0.096; OKLCH L 45.7% C 0.068 H 258.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#40587D
RGB	rgb(64, 88, 125)
HSL	hsl(216, 32%, 37%)
HSV	hsv(216, 49%, 49%)
CMYK	cmyk(48.8%, 29.6%, 0%, 51%)
CIE-LAB	lab(37.02, 1.90, -23.68)
CIE-LCH	lch(37.02, 23.75, 274.58°)
OKLab	oklab(45.75% -0.0131 -0.0663)
OKLCH	oklch(45.75% 0.068 258.8)
XYZ	xyz(9.3045, 9.5495, 20.7510)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40587D #7D6540

analogous

#40777D #40587D #46407D

triadic

#40587D #7D4058 #587D40

tetradic

#40587D #7D4077 #7D6540 #407D46

square

#40587D #7D4077 #7D6540 #407D46

split-complementary

#40587D #7D4640 #777D40

monochromatic

#171F2C #2B3C55 #40587D #5574A5 #7C95BC

Accessibility & contrast

On white

7.22

#40587D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#40587D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40587D

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40587D	#FFFFFF	#000000	##FFFFFF
##40587D	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5A7F

Deuteranopia (green-blind)

#43547C

Tritanopia (blue-blind)

#276065

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #40587d;
/* rgb */ color: rgb(64, 88, 125);
/* oklch */ color: oklch(45.7% 0.068 258.8);

Tailwind

colors: {
  custom: {
    50: '#7887a3',
    500: '#40587d',
    950: '#000000',
  },
}

SCSS

$custom: #40587d;
$custom-light: #7887a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40587d",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 125
  },
  "hsl": {
    "h": 216.393,
    "s": 32.275,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45749,
    "c": 0.06756,
    "h": 258.8
  },
  "luminance": 0.0955
}

Semantic roles & 50–950 ramp

primary

#40587D

secondary

#A69273

accent

#9F5FC8

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#090B0F

muted

#7B7C7F

Preview Lab

Preview with #40587D

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

Preview Lab → · Contrast checker → · Palette generator →