#4D66B0#4D66B0

#4D66B0 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.6% C 0.120 H 268.0°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4D66B0
RGB	rgb(77, 102, 176)
HSL	hsl(225, 39%, 50%)
HSV	hsv(225, 56%, 69%)
CMYK	cmyk(56.2%, 42%, 0%, 31%)
CIE-LAB	lab(44.54, 13.08, -42.34)
CIE-LCH	lch(44.54, 44.32, 287.17°)
OKLab	oklab(52.65% -0.0041 -0.1203)
OKLCH	oklch(52.65% 0.12 268)
XYZ	xyz(15.6458, 14.2139, 42.9850)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66B0 #B0974D

analogous

#4D98B0 #4D66B0 #654DB0

triadic

#4D66B0 #B04D66 #66B04D

tetradic

#4D66B0 #B04D98 #B0974D #4DB065

square

#4D66B0 #B04D98 #B0974D #4DB065

split-complementary

#4D66B0 #B0654D #98B04D

monochromatic

#28355B #3A4D85 #4D66B0 #778AC3 #A1AFD6

Accessibility & contrast

On white

5.46

#4D66B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4D66B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66B0

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66B0	#FFFFFF	#000000	##FFFFFF
##4D66B0	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476EB3

Deuteranopia (green-blind)

#3A65AE

Tritanopia (blue-blind)

#107682

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4d66b0;
/* rgb */ color: rgb(77, 102, 176);
/* oklch */ color: oklch(52.6% 0.120 268.0);

Tailwind

colors: {
  custom: {
    50: '#8691c8',
    500: '#4d66b0',
    950: '#000000',
  },
}

SCSS

$custom: #4d66b0;
$custom-light: #8691c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66b0",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 176
  },
  "hsl": {
    "h": 224.848,
    "s": 39.13,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5265,
    "c": 0.12035,
    "h": 268
  },
  "luminance": 0.14215
}

Semantic roles & 50–950 ramp

primary

#4D66B0

secondary

#C3B896

accent

#B159CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4D66B0

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

Preview Lab → · Contrast checker → · Palette generator →