#4149CB#4149CB

#4149CB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.3% C 0.198 H 273.6°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#4149CB
RGB	rgb(65, 73, 203)
HSL	hsl(237, 57%, 53%)
HSV	hsv(237, 68%, 80%)
CMYK	cmyk(68%, 64%, 0%, 20.4%)
CIE-LAB	lab(38.20, 38.61, -68.35)
CIE-LCH	lch(38.20, 78.50, 299.46°)
OKLab	oklab(48.29% 0.0124 -0.1973)
OKLCH	oklch(48.29% 0.198 273.6)
XYZ	xyz(15.3384, 10.1993, 57.6487)
Luminance	0.1020 (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

#4149CB #CBC341

analogous

#418ECB #4149CB #7E41CB

triadic

#4149CB #CB4149 #49CB41

tetradic

#4149CB #CB418E #CBC341 #41CB7E

square

#4149CB #CB418E #CBC341 #41CB7E

split-complementary

#4149CB #CB7E41 #8ECB41

monochromatic

#1F2472 #2C33A2 #4149CB #7177D8 #A1A5E5

Accessibility & contrast

On white

6.91

#4149CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4149CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4149CB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4149CB	#FFFFFF	#000000	##FFFFFF
##4149CB	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CF

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#006B83

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4149cb;
/* rgb */ color: rgb(65, 73, 203);
/* oklch */ color: oklch(48.3% 0.198 273.6);

Tailwind

colors: {
  custom: {
    50: '#877cdc',
    500: '#4149cb',
    950: '#000000',
  },
}

SCSS

$custom: #4149cb;
$custom-light: #877cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4149cb",
  "rgb": {
    "r": 65,
    "g": 73,
    "b": 203
  },
  "hsl": {
    "h": 236.522,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48289,
    "c": 0.19769,
    "h": 273.6
  },
  "luminance": 0.10201
}

Semantic roles & 50–950 ramp

primary

#4149CB

secondary

#D2CE96

accent

#D748E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4149CB

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

Preview Lab → · Contrast checker → · Palette generator →