#4D40CB#4D40CB

#4D40CB is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.7% C 0.205 H 279.4°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4D40CB
RGB	rgb(77, 64, 203)
HSL	hsl(246, 57%, 52%)
HSV	hsv(246, 68%, 80%)
CMYK	cmyk(62.1%, 68.5%, 0%, 20.4%)
CIE-LAB	lab(37.03, 45.58, -70.23)
CIE-LCH	lch(37.03, 83.72, 302.98°)
OKLab	oklab(47.66% 0.0335 -0.2025)
OKLCH	oklch(47.66% 0.205 279.4)
XYZ	xyz(15.6700, 9.5552, 57.5069)
Luminance	0.0956 (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

#4D40CB #BECB40

analogous

#4078CB #4D40CB #9340CB

triadic

#4D40CB #CB4D40 #40CB4D

tetradic

#4D40CB #CB4078 #BECB40 #40CB93

square

#4D40CB #CB4078 #BECB40 #40CB93

split-complementary

#4D40CB #CB9340 #78CB40

monochromatic

#271F72 #372CA2 #4D40CB #7A70D8 #A7A0E5

Accessibility & contrast

On white

7.21

#4D40CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4D40CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D40CB

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D40CB	#FFFFFF	#000000	##FFFFFF
##4D40CB	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#0052C8

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4d40cb;
/* rgb */ color: rgb(77, 64, 203);
/* oklch */ color: oklch(47.7% 0.205 279.4);

Tailwind

colors: {
  custom: {
    50: '#8d76dc',
    500: '#4d40cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d40cb;
$custom-light: #8d76dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d40cb",
  "rgb": {
    "r": 77,
    "g": 64,
    "b": 203
  },
  "hsl": {
    "h": 245.612,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.47657,
    "c": 0.20526,
    "h": 279.4
  },
  "luminance": 0.09556
}

Semantic roles & 50–950 ramp

primary

#4D40CB

secondary

#CCD295

accent

#E047D2

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4D40CB

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

Preview Lab → · Contrast checker → · Palette generator →