#40459D#40459D

#40459D is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.141 H 276.4°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#40459D
RGB	rgb(64, 69, 157)
HSL	hsl(237, 42%, 43%)
HSV	hsv(237, 59%, 62%)
CMYK	cmyk(59.2%, 56.1%, 0%, 38.4%)
CIE-LAB	lab(33.52, 25.13, -48.76)
CIE-LCH	lch(33.52, 54.86, 297.27°)
OKLab	oklab(43.68% 0.0158 -0.1398)
OKLCH	oklch(43.68% 0.141 276.4)
XYZ	xyz(10.3263, 7.7798, 32.8492)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40459D #9D9840

analogous

#40739D #40459D #69409D

triadic

#40459D #9D4045 #459D40

tetradic

#40459D #9D4073 #9D9840 #409D69

square

#40459D #9D4073 #9D9840 #409D69

split-complementary

#40459D #9D6940 #739D40

monochromatic

#1D1F46 #2E3272 #40459D #5D62BD #898CCF

Accessibility & contrast

On white

8.22

#40459D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#40459D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40459D

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40459D	#FFFFFF	#000000	##FFFFFF
##40459D	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0553A0

Deuteranopia (green-blind)

#004B9B

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #40459d;
/* rgb */ color: rgb(64, 69, 157);
/* oklch */ color: oklch(43.7% 0.141 276.4);

Tailwind

colors: {
  custom: {
    50: '#7e78bb',
    500: '#40459d',
    950: '#000000',
  },
}

SCSS

$custom: #40459d;
$custom-light: #7e78bb;
$custom-dark: #000000;

JSON

{
  "hex": "#40459d",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 157
  },
  "hsl": {
    "h": 236.774,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43683,
    "c": 0.14068,
    "h": 276.4
  },
  "luminance": 0.07781
}

Semantic roles & 50–950 ramp

primary

#40459D

secondary

#B9B67F

accent

#CB56D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #40459D

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

Preview Lab → · Contrast checker → · Palette generator →