#4D75BB#4D75BB

#4D75BB is a mid, moderate blue. Relative luminance 0.179; OKLCH L 56.6% C 0.118 H 260.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4D75BB
RGB	rgb(77, 117, 187)
HSL	hsl(218, 45%, 52%)
HSV	hsv(218, 59%, 73%)
CMYK	cmyk(58.8%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(49.36, 7.47, -41.08)
CIE-LCH	lch(49.36, 41.76, 280.30°)
OKLab	oklab(56.57% -0.0186 -0.1164)
OKLCH	oklch(56.57% 0.118 260.9)
XYZ	xyz(18.3884, 17.8867, 49.4875)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D75BB #BB934D

analogous

#4DACBB #4D75BB #5C4DBB

triadic

#4D75BB #BB4D75 #75BB4D

tetradic

#4D75BB #BB4DAC #BB934D #4DBB5C

square

#4D75BB #BB4DAC #BB934D #4DBB5C

split-complementary

#4D75BB #BB5C4D #ACBB4D

monochromatic

#273E66 #385993 #4D75BB #7997CC #A6BADD

Accessibility & contrast

On white

4.59

#4D75BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4D75BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4D75BB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D75BB	#FFFFFF	#000000	##FFFFFF
##4D75BB	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#4971BA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4d75bb;
/* rgb */ color: rgb(77, 117, 187);
/* oklch */ color: oklch(56.6% 0.118 260.9);

Tailwind

colors: {
  custom: {
    50: '#879cd0',
    500: '#4d75bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d75bb;
$custom-light: #879cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d75bb",
  "rgb": {
    "r": 77,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 218.182,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56568,
    "c": 0.11793,
    "h": 260.9
  },
  "luminance": 0.17888
}

Semantic roles & 50–950 ramp

primary

#4D75BB

secondary

#CAB89A

accent

#A553D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D75BB

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

Preview Lab → · Contrast checker → · Palette generator →