#40477D#40477D

#40477D is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.8% C 0.090 H 276.2°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#40477D
RGB	rgb(64, 71, 125)
HSL	hsl(233, 32%, 37%)
HSV	hsv(233, 49%, 49%)
CMYK	cmyk(48.8%, 43.2%, 0%, 51%)
CIE-LAB	lab(31.98, 12.93, -31.60)
CIE-LCH	lch(31.98, 34.14, 292.25°)
OKLab	oklab(41.85% 0.0097 -0.0894)
OKLCH	oklch(41.85% 0.09 276.2)
XYZ	xyz(8.0681, 7.0767, 20.3389)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40477D #7D7640

analogous

#40667D #40477D #58407D

triadic

#40477D #7D4047 #477D40

tetradic

#40477D #7D4066 #7D7640 #407D58

square

#40477D #7D4066 #7D7640 #407D58

split-complementary

#40477D #7D5840 #667D40

monochromatic

#17192C #2B3055 #40477D #555EA5 #7C83BC

Accessibility & contrast

On white

8.69

#40477D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#40477D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40477D

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40477D	#FFFFFF	#000000	##FFFFFF
##40477D	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324E7F

Deuteranopia (green-blind)

#2D497C

Tritanopia (blue-blind)

#2A525C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #40477d;
/* rgb */ color: rgb(64, 71, 125);
/* oklch */ color: oklch(41.8% 0.090 276.2);

Tailwind

colors: {
  custom: {
    50: '#797aa3',
    500: '#40477d',
    950: '#000000',
  },
}

SCSS

$custom: #40477d;
$custom-light: #797aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#40477d",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 125
  },
  "hsl": {
    "h": 233.115,
    "s": 32.275,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41849,
    "c": 0.08992,
    "h": 276.2
  },
  "luminance": 0.07077
}

Semantic roles & 50–950 ramp

primary

#40477D

secondary

#A6A073

accent

#BC5FC8

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #40477D

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

Preview Lab → · Contrast checker → · Palette generator →