#404FB2#404FB2

#404FB2 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.3% C 0.157 H 272.4°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#404FB2
RGB	rgb(64, 79, 178)
HSL	hsl(232, 47%, 47%)
HSV	hsv(232, 64%, 70%)
CMYK	cmyk(64%, 55.6%, 0%, 30.2%)
CIE-LAB	lab(37.65, 25.98, -54.61)
CIE-LCH	lch(37.65, 60.48, 295.44°)
OKLab	oklab(47.26% 0.0067 -0.1569)
OKLCH	oklch(47.26% 0.157 272.4)
XYZ	xyz(12.9435, 9.8952, 43.3387)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FB2 #B2A340

analogous

#4088B2 #404FB2 #6A40B2

triadic

#404FB2 #B2404F #4FB240

tetradic

#404FB2 #B24088 #B2A340 #40B26A

square

#404FB2 #B24088 #B2A340 #40B26A

split-complementary

#404FB2 #B26A40 #88B240

monochromatic

#202758 #303B85 #404FB2 #6774C8 #949DD8

Accessibility & contrast

On white

7.05

#404FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#404FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FB2

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FB2	#FFFFFF	#000000	##FFFFFF
##404FB2	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404fb2;
/* rgb */ color: rgb(64, 79, 178);
/* oklch */ color: oklch(47.3% 0.157 272.4);

Tailwind

colors: {
  custom: {
    50: '#8180ca',
    500: '#404fb2',
    950: '#000000',
  },
}

SCSS

$custom: #404fb2;
$custom-light: #8180ca;
$custom-dark: #000000;

JSON

{
  "hex": "#404fb2",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 178
  },
  "hsl": {
    "h": 232.105,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47257,
    "c": 0.15705,
    "h": 272.4
  },
  "luminance": 0.09896
}

Semantic roles & 50–950 ramp

primary

#404FB2

secondary

#C4BC8A

accent

#C551D7

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404FB2

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

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