#4D75CC#4D75CC

#4D75CC is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.6% C 0.141 H 263.9°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4D75CC
RGB	rgb(77, 117, 204)
HSL	hsl(221, 55%, 55%)
HSV	hsv(221, 62%, 80%)
CMYK	cmyk(62.3%, 42.6%, 0%, 20%)
CIE-LAB	lab(50.28, 13.25, -49.36)
CIE-LCH	lch(50.28, 51.11, 285.02°)
OKLab	oklab(57.58% -0.015 -0.1407)
OKLCH	oklch(57.58% 0.141 263.9)
XYZ	xyz(20.3172, 18.6582, 59.6457)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D75CC #CCA44D

analogous

#4DB5CC #4D75CC #644DCC

triadic

#4D75CC #CC4D75 #75CC4D

tetradic

#4D75CC #CC4DB5 #CCA44D #4DCC64

square

#4D75CC #CC4DB5 #CCA44D #4DCC64

split-complementary

#4D75CC #CC644D #B5CC4D

monochromatic

#233F7B #3157AB #4D75CC #7D9ADA #ACBFE7

Accessibility & contrast

On white

4.44

#4D75CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4D75CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D75CC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D75CC	#FFFFFF	#000000	##000000
##4D75CC	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7ECF

Deuteranopia (green-blind)

#3A72CA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4d75cc;
/* rgb */ color: rgb(77, 117, 204);
/* oklch */ color: oklch(57.6% 0.141 263.9);

Tailwind

colors: {
  custom: {
    50: '#8a9cdc',
    500: '#4d75cc',
    950: '#000000',
  },
}

SCSS

$custom: #4d75cc;
$custom-light: #8a9cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d75cc",
  "rgb": {
    "r": 77,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 221.102,
    "s": 55.459,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57585,
    "c": 0.14149,
    "h": 263.9
  },
  "luminance": 0.1866
}

Semantic roles & 50–950 ramp

primary

#4D75CC

secondary

#D5C4A0

accent

#B049DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4D75CC

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

Preview Lab → · Contrast checker → · Palette generator →