#404FA7#404FA7

#404FA7 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.142 H 272.4°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#404FA7
RGB	rgb(64, 79, 167)
HSL	hsl(231, 45%, 45%)
HSV	hsv(231, 62%, 65%)
CMYK	cmyk(61.7%, 52.7%, 0%, 34.5%)
CIE-LAB	lab(36.88, 22.10, -49.34)
CIE-LCH	lch(36.88, 54.07, 294.13°)
OKLab	oklab(46.43% 0.006 -0.1414)
OKLCH	oklch(46.43% 0.142 272.4)
XYZ	xyz(11.8831, 9.4710, 37.7536)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA7 #A79840

analogous

#4082A7 #404FA7 #6440A7

triadic

#404FA7 #A7404F #4FA740

tetradic

#404FA7 #A74082 #A79840 #40A764

square

#404FA7 #A74082 #A79840 #40A764

split-complementary

#404FA7 #A76440 #82A740

monochromatic

#1E254F #2F3A7B #404FA7 #6270C3 #8E98D4

Accessibility & contrast

On white

7.26

#404FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#404FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA7

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA7	#FFFFFF	#000000	##FFFFFF
##404FA7	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5BAA

Deuteranopia (green-blind)

#0052A5

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404fa7;
/* rgb */ color: rgb(64, 79, 167);
/* oklch */ color: oklch(46.4% 0.142 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f80c2',
    500: '#404fa7',
    950: '#000000',
  },
}

SCSS

$custom: #404fa7;
$custom-light: #7f80c2;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa7",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 167
  },
  "hsl": {
    "h": 231.262,
    "s": 44.589,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46425,
    "c": 0.14153,
    "h": 272.4
  },
  "luminance": 0.09472
}

Semantic roles & 50–950 ramp

primary

#404FA7

secondary

#BFB684

accent

#C254D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404FA7

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

Preview Lab → · Contrast checker → · Palette generator →