#4049DB#4049DB

#4049DB is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.7% C 0.218 H 272.6°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4049DB
RGB	rgb(64, 73, 219)
HSL	hsl(237, 68%, 55%)
HSV	hsv(237, 71%, 86%)
CMYK	cmyk(70.8%, 66.7%, 0%, 14.1%)
CIE-LAB	lab(39.53, 43.91, -75.40)
CIE-LCH	lch(39.53, 87.25, 300.21°)
OKLab	oklab(49.67% 0.0099 -0.2179)
OKLCH	oklch(49.67% 0.218 272.6)
XYZ	xyz(17.2788, 10.9678, 68.2105)
Luminance	0.1097 (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

#4049DB #DBD240

analogous

#4096DB #4049DB #8440DB

triadic

#4049DB #DB4049 #49DB40

tetradic

#4049DB #DB4096 #DBD240 #40DB84

square

#4049DB #DB4096 #DBD240 #40DB84

split-complementary

#4049DB #DB8440 #96DB40

monochromatic

#192087 #232CBB #4049DB #737AE5 #A7ABEE

Accessibility & contrast

On white

6.57

#4049DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4049DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4049DB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4049DB	#FFFFFF	#000000	##FFFFFF
##4049DB	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E0

Deuteranopia (green-blind)

#0056D8

Tritanopia (blue-blind)

#00708C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4049db;
/* rgb */ color: rgb(64, 73, 219);
/* oklch */ color: oklch(49.7% 0.218 272.6);

Tailwind

colors: {
  custom: {
    50: '#8a7ce7',
    500: '#4049db',
    950: '#000000',
  },
}

SCSS

$custom: #4049db;
$custom-light: #8a7ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#4049db",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 219
  },
  "hsl": {
    "h": 236.516,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49667,
    "c": 0.21817,
    "h": 272.6
  },
  "luminance": 0.1097
}

Semantic roles & 50–950 ramp

primary

#4049DB

secondary

#DCD89B

accent

#E13DEB

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4049DB

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

Preview Lab → · Contrast checker → · Palette generator →