#4044B3#4044B3

#4044B3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.172 H 275.5°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#4044B3
RGB	rgb(64, 68, 179)
HSL	hsl(238, 47%, 48%)
HSV	hsv(238, 64%, 70%)
CMYK	cmyk(64.2%, 62%, 0%, 29.8%)
CIE-LAB	lab(34.96, 33.36, -59.58)
CIE-LCH	lch(34.96, 68.29, 299.24°)
OKLab	oklab(45.28% 0.0166 -0.1716)
OKLCH	oklch(45.28% 0.172 275.5)
XYZ	xyz(12.3155, 8.4779, 43.6265)
Luminance	0.0848 (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

#4044B3 #B3AF40

analogous

#407DB3 #4044B3 #7540B3

triadic

#4044B3 #B34044 #44B340

tetradic

#4044B3 #B3407D #B3AF40 #40B375

square

#4044B3 #B3407D #B3AF40 #40B375

split-complementary

#4044B3 #B37540 #7DB340

monochromatic

#202259 #303386 #4044B3 #676BC9 #9497D9

Accessibility & contrast

On white

7.79

#4044B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4044B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4044B3

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4044B3	#FFFFFF	#000000	##FFFFFF
##4044B3	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4044b3;
/* rgb */ color: rgb(64, 68, 179);
/* oklch */ color: oklch(45.3% 0.172 275.5);

Tailwind

colors: {
  custom: {
    50: '#8278cb',
    500: '#4044b3',
    950: '#000000',
  },
}

SCSS

$custom: #4044b3;
$custom-light: #8278cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4044b3",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 179
  },
  "hsl": {
    "h": 237.913,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45281,
    "c": 0.17243,
    "h": 275.5
  },
  "luminance": 0.08479
}

Semantic roles & 50–950 ramp

primary

#4044B3

secondary

#C4C28A

accent

#D251D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4044B3

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

Preview Lab → · Contrast checker → · Palette generator →