#4044B7#4044B7

#4044B7 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.6% C 0.178 H 275.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4044B7
RGB	rgb(64, 68, 183)
HSL	hsl(238, 48%, 48%)
HSV	hsv(238, 65%, 72%)
CMYK	cmyk(65%, 62.8%, 0%, 28.2%)
CIE-LAB	lab(35.29, 34.73, -61.42)
CIE-LCH	lch(35.29, 70.56, 299.49°)
OKLab	oklab(45.62% 0.0163 -0.177)
OKLCH	oklch(45.62% 0.178 275.3)
XYZ	xyz(12.7259, 8.6420, 45.7880)
Luminance	0.0864 (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

#4044B7 #B7B340

analogous

#407FB7 #4044B7 #7740B7

triadic

#4044B7 #B74044 #44B740

tetradic

#4044B7 #B7407F #B7B340 #40B777

square

#4044B7 #B7407F #B7B340 #40B777

split-complementary

#4044B7 #B77740 #7FB740

monochromatic

#20225C #30338A #4044B7 #696DCB #9799DB

Accessibility & contrast

On white

7.70

#4044B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4044B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4044B7

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4044B7	#FFFFFF	#000000	##FFFFFF
##4044B7	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#006177

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4044b7;
/* rgb */ color: rgb(64, 68, 183);
/* oklch */ color: oklch(45.6% 0.178 275.3);

Tailwind

colors: {
  custom: {
    50: '#8378ce',
    500: '#4044b7',
    950: '#000000',
  },
}

SCSS

$custom: #4044b7;
$custom-light: #8378ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4044b7",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 183
  },
  "hsl": {
    "h": 237.983,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45623,
    "c": 0.17776,
    "h": 275.3
  },
  "luminance": 0.08643
}

Semantic roles & 50–950 ramp

primary

#4044B7

secondary

#C6C48D

accent

#D350D8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4044B7

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

Preview Lab → · Contrast checker → · Palette generator →