#40456E#40456E

#40456E is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.5% C 0.069 H 277.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#40456E
RGB	rgb(64, 69, 110)
HSL	hsl(233, 26%, 34%)
HSV	hsv(233, 42%, 43%)
CMYK	cmyk(41.8%, 37.3%, 0%, 56.9%)
CIE-LAB	lab(30.57, 9.40, -24.41)
CIE-LCH	lch(30.57, 26.16, 291.05°)
OKLab	oklab(40.5% 0.0091 -0.0685)
OKLCH	oklch(40.5% 0.069 277.5)
XYZ	xyz(7.0561, 6.4717, 15.6262)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40456E #6E6940

analogous

#405C6E #40456E #52406E

triadic

#40456E #6E4045 #456E40

tetradic

#40456E #6E405C #6E6940 #406E52

square

#40456E #6E405C #6E6940 #406E52

split-complementary

#40456E #6E5240 #5C6E40

monochromatic

#131421 #292D47 #40456E #575D95 #787EB0

Accessibility & contrast

On white

9.15

#40456E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#40456E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40456E

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40456E	#FFFFFF	#000000	##FFFFFF
##40456E	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374A70

Deuteranopia (green-blind)

#34466D

Tritanopia (blue-blind)

#324D54

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #40456e;
/* rgb */ color: rgb(64, 69, 110);
/* oklch */ color: oklch(40.5% 0.069 277.5);

Tailwind

colors: {
  custom: {
    50: '#777898',
    500: '#40456e',
    950: '#000000',
  },
}

SCSS

$custom: #40456e;
$custom-light: #777898;
$custom-dark: #000000;

JSON

{
  "hex": "#40456e",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 110
  },
  "hsl": {
    "h": 233.478,
    "s": 26.437,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40499,
    "c": 0.06906,
    "h": 277.5
  },
  "luminance": 0.06472
}

Semantic roles & 50–950 ramp

primary

#40456E

secondary

#9B976E

accent

#B965C3

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090D

muted

#7B7B7E

Preview Lab

Preview with #40456E

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

Preview Lab → · Contrast checker → · Palette generator →