#4044B9#4044B9

#4044B9 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.8% C 0.180 H 275.2°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4044B9
RGB	rgb(64, 68, 185)
HSL	hsl(238, 49%, 49%)
HSV	hsv(238, 65%, 73%)
CMYK	cmyk(65.4%, 63.2%, 0%, 27.5%)
CIE-LAB	lab(35.45, 35.42, -62.33)
CIE-LCH	lch(35.45, 71.69, 299.61°)
OKLab	oklab(45.8% 0.0162 -0.1797)
OKLCH	oklch(45.8% 0.18 275.2)
XYZ	xyz(12.9355, 8.7259, 46.8921)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4044B9 #B9B540

analogous

#4081B9 #4044B9 #7940B9

triadic

#4044B9 #B94044 #44B940

tetradic

#4044B9 #B94081 #B9B540 #40B979

square

#4044B9 #B94081 #B9B540 #40B979

split-complementary

#4044B9 #B97940 #81B940

monochromatic

#21235E #30338C #4044B9 #6B6ECC #989ADB

Accessibility & contrast

On white

7.65

#4044B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4044B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4044B9

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4044B9	#FFFFFF	#000000	##FFFFFF
##4044B9	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#006278

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4044b9;
/* rgb */ color: rgb(64, 68, 185);
/* oklch */ color: oklch(45.8% 0.180 275.2);

Tailwind

colors: {
  custom: {
    50: '#8378cf',
    500: '#4044b9',
    950: '#000000',
  },
}

SCSS

$custom: #4044b9;
$custom-light: #8378cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4044b9",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 185
  },
  "hsl": {
    "h": 238.017,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45795,
    "c": 0.18041,
    "h": 275.2
  },
  "luminance": 0.08727
}

Semantic roles & 50–950 ramp

primary

#4044B9

secondary

#C7C58E

accent

#D450D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4044B9

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

Preview Lab → · Contrast checker → · Palette generator →