#4B75BF#4B75BF

#4B75BF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.7% C 0.124 H 261.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B75BF
RGB	rgb(75, 117, 191)
HSL	hsl(218, 48%, 52%)
HSV	hsv(218, 61%, 75%)
CMYK	cmyk(60.7%, 38.7%, 0%, 25.1%)
CIE-LAB	lab(49.47, 8.42, -43.22)
CIE-LCH	lch(49.47, 44.03, 281.02°)
OKLab	oklab(56.7% -0.0195 -0.1227)
OKLCH	oklch(56.7% 0.124 261)
XYZ	xyz(18.6636, 17.9784, 51.7667)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B75BF #BF954B

analogous

#4BAFBF #4B75BF #5B4BBF

triadic

#4B75BF #BF4B75 #75BF4B

tetradic

#4B75BF #BF4BAF #BF954B #4BBF5B

square

#4B75BF #BF4BAF #BF954B #4BBF5B

split-complementary

#4B75BF #BF5B4B #AFBF4B

monochromatic

#263E6A #365997 #4B75BF #7898CF #A5BADF

Accessibility & contrast

On white

4.57

#4B75BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4B75BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B75BF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B75BF	#FFFFFF	#000000	##000000
##4B75BF	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557BC2

Deuteranopia (green-blind)

#4571BD

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4b75bf;
/* rgb */ color: rgb(75, 117, 191);
/* oklch */ color: oklch(56.7% 0.124 261.0);

Tailwind

colors: {
  custom: {
    50: '#879cd3',
    500: '#4b75bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b75bf;
$custom-light: #879cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b75bf",
  "rgb": {
    "r": 75,
    "g": 117,
    "b": 191
  },
  "hsl": {
    "h": 218.276,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56696,
    "c": 0.12425,
    "h": 261
  },
  "luminance": 0.1798
}

Semantic roles & 50–950 ramp

primary

#4B75BF

secondary

#CCBA9A

accent

#A651D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4B75BF

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

Preview Lab → · Contrast checker → · Palette generator →