#404EAB#404EAB

#404EAB is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.149 H 272.8°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#404EAB
RGB	rgb(64, 78, 171)
HSL	hsl(232, 46%, 46%)
HSV	hsv(232, 63%, 67%)
CMYK	cmyk(62.6%, 54.4%, 0%, 32.9%)
CIE-LAB	lab(36.89, 24.16, -51.70)
CIE-LCH	lch(36.89, 57.07, 295.05°)
OKLab	oklab(46.52% 0.0073 -0.1483)
OKLCH	oklch(46.52% 0.149 272.8)
XYZ	xyz(12.1870, 9.4780, 39.7074)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EAB #AB9D40

analogous

#4083AB #404EAB #6740AB

triadic

#404EAB #AB404E #4EAB40

tetradic

#404EAB #AB4083 #AB9D40 #40AB67

square

#404EAB #AB4083 #AB9D40 #40AB67

split-complementary

#404EAB #AB6740 #83AB40

monochromatic

#1F2552 #2F3A7E #404EAB #6370C5 #9099D5

Accessibility & contrast

On white

7.25

#404EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#404EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404EAB

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EAB	#FFFFFF	#000000	##FFFFFF
##404EAB	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E5CAE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404eab;
/* rgb */ color: rgb(64, 78, 171);
/* oklch */ color: oklch(46.5% 0.149 272.8);

Tailwind

colors: {
  custom: {
    50: '#807fc5',
    500: '#404eab',
    950: '#000000',
  },
}

SCSS

$custom: #404eab;
$custom-light: #807fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#404eab",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 171
  },
  "hsl": {
    "h": 232.15,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46524,
    "c": 0.14853,
    "h": 272.8
  },
  "luminance": 0.09479
}

Semantic roles & 50–950 ramp

primary

#404EAB

secondary

#C1B986

accent

#C453D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404EAB

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

Preview Lab → · Contrast checker → · Palette generator →