#404AA3#404AA3

#404AA3 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.142 H 274.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#404AA3
RGB	rgb(64, 74, 163)
HSL	hsl(234, 44%, 45%)
HSV	hsv(234, 61%, 64%)
CMYK	cmyk(60.7%, 54.6%, 0%, 36.1%)
CIE-LAB	lab(35.26, 23.96, -49.55)
CIE-LCH	lch(35.26, 55.04, 295.80°)
OKLab	oklab(45.13% 0.0109 -0.1421)
OKLCH	oklch(45.13% 0.142 274.4)
XYZ	xyz(11.1718, 8.6310, 35.7205)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AA3 #A39940

analogous

#407CA3 #404AA3 #6740A3

triadic

#404AA3 #A3404A #4AA340

tetradic

#404AA3 #A3407C #A39940 #40A367

square

#404AA3 #A3407C #A39940 #40A367

split-complementary

#404AA3 #A36740 #7CA340

monochromatic

#1D224B #2F3677 #404AA3 #606AC0 #8C93D2

Accessibility & contrast

On white

7.70

#404AA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#404AA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AA3

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AA3	#FFFFFF	#000000	##FFFFFF
##404AA3	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F57A6

Deuteranopia (green-blind)

#004FA1

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404aa3;
/* rgb */ color: rgb(64, 74, 163);
/* oklch */ color: oklch(45.1% 0.142 274.4);

Tailwind

colors: {
  custom: {
    50: '#7e7cbf',
    500: '#404aa3',
    950: '#000000',
  },
}

SCSS

$custom: #404aa3;
$custom-light: #7e7cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#404aa3",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 163
  },
  "hsl": {
    "h": 233.939,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.45125,
    "c": 0.14248,
    "h": 274.4
  },
  "luminance": 0.08632
}

Semantic roles & 50–950 ramp

primary

#404AA3

secondary

#BDB782

accent

#C754D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404AA3

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

Preview Lab → · Contrast checker → · Palette generator →