#4D58BB#4D58BB

#4D58BB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.154 H 274.7°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4D58BB
RGB	rgb(77, 88, 187)
HSL	hsl(234, 45%, 52%)
HSV	hsv(234, 59%, 73%)
CMYK	cmyk(58.8%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(41.44, 25.67, -53.73)
CIE-LCH	lch(41.44, 59.55, 295.53°)
OKLab	oklab(50.52% 0.0126 -0.1539)
OKLCH	oklch(50.52% 0.154 274.7)
XYZ	xyz(15.5170, 12.1439, 48.5304)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D58BB #BBB04D

analogous

#4D8FBB #4D58BB #794DBB

triadic

#4D58BB #BB4D58 #58BB4D

tetradic

#4D58BB #BB4D8F #BBB04D #4DBB79

square

#4D58BB #BB4D8F #BBB04D #4DBB79

split-complementary

#4D58BB #BB794D #8FBB4D

monochromatic

#272D66 #384193 #4D58BB #7982CC #A6ABDD

Accessibility & contrast

On white

6.12

#4D58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4D58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D58BB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D58BB	#FFFFFF	#000000	##FFFFFF
##4D58BB	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D67BE

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4d58bb;
/* rgb */ color: rgb(77, 88, 187);
/* oklch */ color: oklch(50.5% 0.154 274.7);

Tailwind

colors: {
  custom: {
    50: '#8987d0',
    500: '#4d58bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d58bb;
$custom-light: #8987d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d58bb",
  "rgb": {
    "r": 77,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 234,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50516,
    "c": 0.15441,
    "h": 274.7
  },
  "luminance": 0.12145
}

Semantic roles & 50–950 ramp

primary

#4D58BB

secondary

#CAC59A

accent

#C853D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4D58BB

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

Preview Lab → · Contrast checker → · Palette generator →