#4D5FBB#4D5FBB

#4D5FBB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.9% C 0.145 H 272.1°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#4D5FBB
RGB	rgb(77, 95, 187)
HSL	hsl(230, 45%, 52%)
HSV	hsv(230, 59%, 73%)
CMYK	cmyk(58.8%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(43.28, 21.23, -50.77)
CIE-LCH	lch(43.28, 55.03, 292.69°)
OKLab	oklab(51.91% 0.0053 -0.1451)
OKLCH	oklch(51.91% 0.145 272.1)
XYZ	xyz(16.1195, 13.3488, 48.7312)
Luminance	0.1335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D5FBB #BBA94D

analogous

#4D96BB #4D5FBB #724DBB

triadic

#4D5FBB #BB4D5F #5FBB4D

tetradic

#4D5FBB #BB4D96 #BBA94D #4DBB72

square

#4D5FBB #BB4D96 #BBA94D #4DBB72

split-complementary

#4D5FBB #BB724D #96BB4D

monochromatic

#273266 #384793 #4D5FBB #7987CC #A6AFDD

Accessibility & contrast

On white

5.72

#4D5FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4D5FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D5FBB

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D5FBB	#FFFFFF	#000000	##FFFFFF
##4D5FBB	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306BBE

Deuteranopia (green-blind)

#1D62B9

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4d5fbb;
/* rgb */ color: rgb(77, 95, 187);
/* oklch */ color: oklch(51.9% 0.145 272.1);

Tailwind

colors: {
  custom: {
    50: '#888cd0',
    500: '#4d5fbb',
    950: '#000000',
  },
}

SCSS

$custom: #4d5fbb;
$custom-light: #888cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d5fbb",
  "rgb": {
    "r": 77,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 230.182,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51905,
    "c": 0.1452,
    "h": 272.1
  },
  "luminance": 0.1335
}

Semantic roles & 50–950 ramp

primary

#4D5FBB

secondary

#CAC29A

accent

#BF53D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4D5FBB

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

Preview Lab → · Contrast checker → · Palette generator →