#4D77BB#4D77BB

#4D77BB is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.0% C 0.116 H 259.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4D77BB
RGB	rgb(77, 119, 187)
HSL	hsl(217, 45%, 52%)
HSV	hsv(217, 59%, 73%)
CMYK	cmyk(58.8%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(49.93, 6.24, -40.19)
CIE-LCH	lch(49.93, 40.67, 278.83°)
OKLab	oklab(57.01% -0.0208 -0.1138)
OKLCH	oklch(57.01% 0.116 259.6)
XYZ	xyz(18.6239, 18.3577, 49.5660)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D77BB #BB914D

analogous

#4DAEBB #4D77BB #5A4DBB

triadic

#4D77BB #BB4D77 #77BB4D

tetradic

#4D77BB #BB4DAE #BB914D #4DBB5A

square

#4D77BB #BB4DAE #BB914D #4DBB5A

split-complementary

#4D77BB #BB5A4D #AEBB4D

monochromatic

#273F66 #385B93 #4D77BB #7999CC #A6BBDD

Accessibility & contrast

On white

4.50

#4D77BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4D77BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D77BB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D77BB	#FFFFFF	#000000	##000000
##4D77BB	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7CBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4d77bb;
/* rgb */ color: rgb(77, 119, 187);
/* oklch */ color: oklch(57.0% 0.116 259.6);

Tailwind

colors: {
  custom: {
    50: '#879dd0',
    500: '#4d77bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d77bb;
$custom-light: #879dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d77bb",
  "rgb": {
    "r": 77,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 217.091,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57009,
    "c": 0.11569,
    "h": 259.6
  },
  "luminance": 0.18359
}

Semantic roles & 50–950 ramp

primary

#4D77BB

secondary

#CAB89A

accent

#A353D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4D77BB

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

Preview Lab → · Contrast checker → · Palette generator →