#40477C#40477C

#40477C is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.8% C 0.088 H 276.2°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#40477C
RGB	rgb(64, 71, 124)
HSL	hsl(233, 32%, 37%)
HSV	hsv(233, 48%, 49%)
CMYK	cmyk(48.4%, 42.7%, 0%, 51.4%)
CIE-LAB	lab(31.92, 12.60, -31.07)
CIE-LCH	lch(31.92, 33.53, 292.07°)
OKLab	oklab(41.79% 0.0095 -0.0878)
OKLCH	oklch(41.79% 0.088 276.2)
XYZ	xyz(8.0046, 7.0513, 20.0041)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40477C #7C7540

analogous

#40657C #40477C #57407C

triadic

#40477C #7C4047 #477C40

tetradic

#40477C #7C4065 #7C7540 #407C57

square

#40477C #7C4065 #7C7540 #407C57

split-complementary

#40477C #7C5740 #657C40

monochromatic

#16192B #2B3054 #40477C #555EA4 #7B83BB

Accessibility & contrast

On white

8.71

#40477C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#40477C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40477C

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40477C	#FFFFFF	#000000	##FFFFFF
##40477C	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334E7E

Deuteranopia (green-blind)

#2E497B

Tritanopia (blue-blind)

#2A525B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #40477c;
/* rgb */ color: rgb(64, 71, 124);
/* oklch */ color: oklch(41.8% 0.088 276.2);

Tailwind

colors: {
  custom: {
    50: '#787aa2',
    500: '#40477c',
    950: '#000000',
  },
}

SCSS

$custom: #40477c;
$custom-light: #787aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#40477c",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 124
  },
  "hsl": {
    "h": 233,
    "s": 31.915,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41786,
    "c": 0.08835,
    "h": 276.2
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#40477C

secondary

#A6A072

accent

#BC60C8

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #40477C

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

Preview Lab → · Contrast checker → · Palette generator →