#4B75CF#4B75CF

#4B75CF is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.7% C 0.146 H 263.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4B75CF
RGB	rgb(75, 117, 207)
HSL	hsl(221, 58%, 55%)
HSV	hsv(221, 64%, 81%)
CMYK	cmyk(63.8%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(50.36, 13.92, -50.96)
CIE-LCH	lch(50.36, 52.82, 285.28°)
OKLab	oklab(57.67% -0.0162 -0.1454)
OKLCH	oklch(57.67% 0.146 263.6)
XYZ	xyz(20.5215, 18.7215, 61.5515)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B75CF #CFA54B

analogous

#4BB7CF #4B75CF #634BCF

triadic

#4B75CF #CF4B75 #75CF4B

tetradic

#4B75CF #CF4BB7 #CFA54B #4BCF63

square

#4B75CF #CF4BB7 #CFA54B #4BCF63

split-complementary

#4B75CF #CF634B #B7CF4B

monochromatic

#223F7E #2E57AE #4B75CF #7B9ADC #ACBFE9

Accessibility & contrast

On white

4.43

#4B75CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4B75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B75CF

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B75CF	#FFFFFF	#000000	##000000
##4B75CF	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7ED2

Deuteranopia (green-blind)

#3672CD

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b75cf;
/* rgb */ color: rgb(75, 117, 207);
/* oklch */ color: oklch(57.7% 0.146 263.6);

Tailwind

colors: {
  custom: {
    50: '#8a9cde',
    500: '#4b75cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b75cf;
$custom-light: #8a9cde;
$custom-dark: #000000;

JSON

{
  "hex": "#4b75cf",
  "rgb": {
    "r": 75,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 220.909,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57672,
    "c": 0.14631,
    "h": 263.6
  },
  "luminance": 0.18723
}

Semantic roles & 50–950 ramp

primary

#4B75CF

secondary

#D6C59F

accent

#B047E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4B75CF

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

Preview Lab → · Contrast checker → · Palette generator →