#404397#404397

#404397 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.135 H 277.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#404397
RGB	rgb(64, 67, 151)
HSL	hsl(238, 40%, 42%)
HSV	hsv(238, 58%, 59%)
CMYK	cmyk(57.6%, 55.6%, 0%, 40.8%)
CIE-LAB	lab(32.56, 24.37, -46.67)
CIE-LCH	lch(32.56, 52.65, 297.58°)
OKLab	oklab(42.83% 0.0177 -0.1336)
OKLCH	oklch(42.83% 0.135 277.5)
XYZ	xyz(9.7056, 7.3380, 30.1771)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404397 #979440

analogous

#406F97 #404397 #694097

triadic

#404397 #974043 #439740

tetradic

#404397 #97406F #979440 #409769

square

#404397 #97406F #979440 #409769

split-complementary

#404397 #976940 #6F9740

monochromatic

#1C1D41 #2E306C #404397 #5B5EB9 #8688CC

Accessibility & contrast

On white

8.51

#404397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#404397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404397

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404397	#FFFFFF	#000000	##FFFFFF
##404397	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B509A

Deuteranopia (green-blind)

#004995

Tritanopia (blue-blind)

#0F5666

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #404397;
/* rgb */ color: rgb(64, 67, 151);
/* oklch */ color: oklch(42.8% 0.135 277.5);

Tailwind

colors: {
  custom: {
    50: '#7d77b6',
    500: '#404397',
    950: '#000000',
  },
}

SCSS

$custom: #404397;
$custom-light: #7d77b6;
$custom-dark: #000000;

JSON

{
  "hex": "#404397",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 151
  },
  "hsl": {
    "h": 237.931,
    "s": 40.465,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42832,
    "c": 0.13481,
    "h": 277.5
  },
  "luminance": 0.07339
}

Semantic roles & 50–950 ramp

primary

#404397

secondary

#B6B47D

accent

#CC57D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #404397

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

Preview Lab → · Contrast checker → · Palette generator →