#404BA9#404BA9

#404BA9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.150 H 273.9°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#404BA9
RGB	rgb(64, 75, 169)
HSL	hsl(234, 45%, 46%)
HSV	hsv(234, 62%, 66%)
CMYK	cmyk(62.1%, 55.6%, 0%, 33.7%)
CIE-LAB	lab(35.96, 25.41, -52.02)
CIE-LCH	lch(35.96, 57.89, 296.03°)
OKLab	oklab(45.78% 0.0101 -0.1493)
OKLCH	oklch(45.78% 0.15 273.9)
XYZ	xyz(11.7895, 8.9858, 38.6416)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BA9 #A99E40

analogous

#407FA9 #404BA9 #6940A9

triadic

#404BA9 #A9404B #4BA940

tetradic

#404BA9 #A9407F #A99E40 #40A969

square

#404BA9 #A9407F #A99E40 #40A969

split-complementary

#404BA9 #A96940 #7FA940

monochromatic

#1E2450 #2F377D #404BA9 #626DC4 #8F96D5

Accessibility & contrast

On white

7.51

#404BA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#404BA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BA9

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BA9	#FFFFFF	#000000	##FFFFFF
##404BA9	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0259AC

Deuteranopia (green-blind)

#0050A7

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404ba9;
/* rgb */ color: rgb(64, 75, 169);
/* oklch */ color: oklch(45.8% 0.150 273.9);

Tailwind

colors: {
  custom: {
    50: '#7f7dc3',
    500: '#404ba9',
    950: '#000000',
  },
}

SCSS

$custom: #404ba9;
$custom-light: #7f7dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#404ba9",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 169
  },
  "hsl": {
    "h": 233.714,
    "s": 45.064,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4578,
    "c": 0.14966,
    "h": 273.9
  },
  "luminance": 0.08987
}

Semantic roles & 50–950 ramp

primary

#404BA9

secondary

#C0B985

accent

#C753D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404BA9

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

Preview Lab → · Contrast checker → · Palette generator →