#404599#404599

#404599 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.135 H 276.6°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#404599
RGB	rgb(64, 69, 153)
HSL	hsl(237, 41%, 43%)
HSV	hsv(237, 58%, 60%)
CMYK	cmyk(58.2%, 54.9%, 0%, 40%)
CIE-LAB	lab(33.23, 23.76, -46.80)
CIE-LCH	lch(33.23, 52.48, 296.91°)
OKLab	oklab(43.38% 0.0156 -0.134)
OKLCH	oklch(43.38% 0.135 276.6)
XYZ	xyz(9.9904, 7.6454, 31.0801)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404599 #999440

analogous

#407299 #404599 #674099

triadic

#404599 #994045 #459940

tetradic

#404599 #994072 #999440 #409967

square

#404599 #994072 #999440 #409967

split-complementary

#404599 #996740 #729940

monochromatic

#1C1E43 #2E326E #404599 #5C61BB #878BCD

Accessibility & contrast

On white

8.30

#404599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#404599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404599

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404599	#FFFFFF	#000000	##FFFFFF
##404599	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10529C

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#095868

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #404599;
/* rgb */ color: rgb(64, 69, 153);
/* oklch */ color: oklch(43.4% 0.135 276.6);

Tailwind

colors: {
  custom: {
    50: '#7d78b8',
    500: '#404599',
    950: '#000000',
  },
}

SCSS

$custom: #404599;
$custom-light: #7d78b8;
$custom-dark: #000000;

JSON

{
  "hex": "#404599",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 153
  },
  "hsl": {
    "h": 236.629,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43377,
    "c": 0.13493,
    "h": 276.6
  },
  "luminance": 0.07646
}

Semantic roles & 50–950 ramp

primary

#404599

secondary

#B7B47E

accent

#CA57D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #404599

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

Preview Lab → · Contrast checker → · Palette generator →