#40436D#40436D

#40436D is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.0% C 0.071 H 279.6°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#40436D
RGB	rgb(64, 67, 109)
HSL	hsl(236, 26%, 34%)
HSV	hsv(236, 41%, 43%)
CMYK	cmyk(41.3%, 38.5%, 0%, 57.3%)
CIE-LAB	lab(29.93, 10.41, -24.79)
CIE-LCH	lch(29.93, 26.88, 292.78°)
OKLab	oklab(39.99% 0.0117 -0.0695)
OKLCH	oklch(39.99% 0.071 279.6)
XYZ	xyz(6.8810, 6.2081, 15.3008)
Luminance	0.0621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40436D #6D6A40

analogous

#405A6D #40436D #54406D

triadic

#40436D #6D4043 #436D40

tetradic

#40436D #6D405A #6D6A40 #406D54

square

#40436D #6D405A #6D6A40 #406D54

split-complementary

#40436D #6D5440 #5A6D40

monochromatic

#131420 #292B46 #40436D #575B94 #787CB0

Accessibility & contrast

On white

9.37

#40436D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#40436D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40436D

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40436D	#FFFFFF	#000000	##FFFFFF
##40436D	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35486F

Deuteranopia (green-blind)

#32456C

Tritanopia (blue-blind)

#334B53

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #40436d;
/* rgb */ color: rgb(64, 67, 109);
/* oklch */ color: oklch(40.0% 0.071 279.6);

Tailwind

colors: {
  custom: {
    50: '#777797',
    500: '#40436d',
    950: '#000000',
  },
}

SCSS

$custom: #40436d;
$custom-light: #777797;
$custom-dark: #000000;

JSON

{
  "hex": "#40436d",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 109
  },
  "hsl": {
    "h": 236,
    "s": 26.012,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39989,
    "c": 0.07052,
    "h": 279.6
  },
  "luminance": 0.06208
}

Semantic roles & 50–950 ramp

primary

#40436D

secondary

#9B986E

accent

#BC65C2

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #40436D

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

Preview Lab → · Contrast checker → · Palette generator →