#404299#404299

#404299 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.8% C 0.139 H 277.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#404299
RGB	rgb(64, 66, 153)
HSL	hsl(239, 41%, 43%)
HSV	hsv(239, 58%, 60%)
CMYK	cmyk(58.2%, 56.9%, 0%, 40%)
CIE-LAB	lab(32.45, 25.71, -48.07)
CIE-LCH	lch(32.45, 54.51, 298.14°)
OKLab	oklab(42.79% 0.0188 -0.1378)
OKLCH	oklch(42.79% 0.139 277.8)
XYZ	xyz(9.8105, 7.2856, 31.0201)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404299 #999740

analogous

#406E99 #404299 #6B4099

triadic

#404299 #994042 #429940

tetradic

#404299 #99406E #999740 #40996B

square

#404299 #99406E #999740 #40996B

split-complementary

#404299 #996B40 #6E9940

monochromatic

#1C1D43 #2E2F6E #404299 #5C5EBB #8788CD

Accessibility & contrast

On white

8.55

#404299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#404299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404299

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404299	#FFFFFF	#000000	##FFFFFF
##404299	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#0B5667

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #404299;
/* rgb */ color: rgb(64, 66, 153);
/* oklch */ color: oklch(42.8% 0.139 277.8);

Tailwind

colors: {
  custom: {
    50: '#7d76b8',
    500: '#404299',
    950: '#000000',
  },
}

SCSS

$custom: #404299;
$custom-light: #7d76b8;
$custom-dark: #000000;

JSON

{
  "hex": "#404299",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 153
  },
  "hsl": {
    "h": 238.652,
    "s": 41.014,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42792,
    "c": 0.13907,
    "h": 277.8
  },
  "luminance": 0.07286
}

Semantic roles & 50–950 ramp

primary

#404299

secondary

#B7B67E

accent

#CE57D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #404299

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

Preview Lab → · Contrast checker → · Palette generator →