#404FA8#404FA8

#404FA8 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.143 H 272.4°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#404FA8
RGB	rgb(64, 79, 168)
HSL	hsl(231, 45%, 45%)
HSV	hsv(231, 62%, 66%)
CMYK	cmyk(61.9%, 53%, 0%, 34.1%)
CIE-LAB	lab(36.94, 22.45, -49.83)
CIE-LCH	lch(36.94, 54.65, 294.26°)
OKLab	oklab(46.5% 0.0061 -0.1428)
OKLCH	oklch(46.5% 0.143 272.4)
XYZ	xyz(11.9759, 9.5081, 38.2423)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA8 #A89940

analogous

#4083A8 #404FA8 #6540A8

triadic

#404FA8 #A8404F #4FA840

tetradic

#404FA8 #A84083 #A89940 #40A865

square

#404FA8 #A84083 #A89940 #40A865

split-complementary

#404FA8 #A86540 #83A840

monochromatic

#1E254F #2F3A7C #404FA8 #6270C3 #8E98D4

Accessibility & contrast

On white

7.24

#404FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#404FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA8

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA8	#FFFFFF	#000000	##FFFFFF
##404FA8	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195CAB

Deuteranopia (green-blind)

#0053A6

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404fa8;
/* rgb */ color: rgb(64, 79, 168);
/* oklch */ color: oklch(46.5% 0.143 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f80c2',
    500: '#404fa8',
    950: '#000000',
  },
}

SCSS

$custom: #404fa8;
$custom-light: #7f80c2;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa8",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 168
  },
  "hsl": {
    "h": 231.346,
    "s": 44.828,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46499,
    "c": 0.14295,
    "h": 272.4
  },
  "luminance": 0.09509
}

Semantic roles & 50–950 ramp

primary

#404FA8

secondary

#BFB785

accent

#C253D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404FA8

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

Preview Lab → · Contrast checker → · Palette generator →