#4049A3#4049A3

#4049A3 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.9% C 0.144 H 274.7°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4049A3
RGB	rgb(64, 73, 163)
HSL	hsl(235, 44%, 45%)
HSV	hsv(235, 61%, 64%)
CMYK	cmyk(60.7%, 55.2%, 0%, 36.1%)
CIE-LAB	lab(35.00, 24.61, -49.98)
CIE-LCH	lch(35.00, 55.71, 296.22°)
OKLab	oklab(44.93% 0.0119 -0.1433)
OKLCH	oklch(44.93% 0.144 274.7)
XYZ	xyz(11.1056, 8.4986, 35.6984)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4049A3 #A39A40

analogous

#407BA3 #4049A3 #6840A3

triadic

#4049A3 #A34049 #49A340

tetradic

#4049A3 #A3407B #A39A40 #40A368

square

#4049A3 #A3407B #A39A40 #40A368

split-complementary

#4049A3 #A36840 #7BA340

monochromatic

#1D224B #2F3577 #4049A3 #6069C0 #8C92D2

Accessibility & contrast

On white

7.78

#4049A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4049A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4049A3

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049A3	#FFFFFF	#000000	##FFFFFF
##4049A3	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A57A6

Deuteranopia (green-blind)

#004EA1

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4049a3;
/* rgb */ color: rgb(64, 73, 163);
/* oklch */ color: oklch(44.9% 0.144 274.7);

Tailwind

colors: {
  custom: {
    50: '#7f7bbf',
    500: '#4049a3',
    950: '#000000',
  },
}

SCSS

$custom: #4049a3;
$custom-light: #7f7bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#4049a3",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 163
  },
  "hsl": {
    "h": 234.545,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44927,
    "c": 0.14383,
    "h": 274.7
  },
  "luminance": 0.08499
}

Semantic roles & 50–950 ramp

primary

#4049A3

secondary

#BDB782

accent

#C854D3

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #4049A3

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

Preview Lab → · Contrast checker → · Palette generator →