#4D57BA#4D57BA

#4D57BA is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.154 H 275.0°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4D57BA
RGB	rgb(77, 87, 186)
HSL	hsl(234, 44%, 52%)
HSV	hsv(234, 59%, 73%)
CMYK	cmyk(58.6%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(41.12, 25.96, -53.67)
CIE-LCH	lch(41.12, 59.62, 295.81°)
OKLab	oklab(50.25% 0.0136 -0.1537)
OKLCH	oklch(50.25% 0.154 275)
XYZ	xyz(15.3288, 11.9382, 47.9414)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D57BA #BAB04D

analogous

#4D8EBA #4D57BA #7A4DBA

triadic

#4D57BA #BA4D57 #57BA4D

tetradic

#4D57BA #BA4D8E #BAB04D #4DBA7A

square

#4D57BA #BA4D8E #BAB04D #4DBA7A

split-complementary

#4D57BA #BA7A4D #8EBA4D

monochromatic

#272D65 #384191 #4D57BA #7981CB #A5AADC

Accessibility & contrast

On white

6.20

#4D57BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#4D57BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D57BA

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D57BA	#FFFFFF	#000000	##FFFFFF
##4D57BA	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B66BD

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4d57ba;
/* rgb */ color: rgb(77, 87, 186);
/* oklch */ color: oklch(50.2% 0.154 275.0);

Tailwind

colors: {
  custom: {
    50: '#8886cf',
    500: '#4d57ba',
    950: '#000000',
  },
}

SCSS

$custom: #4d57ba;
$custom-light: #8886cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d57ba",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 234.495,
    "s": 44.13,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50249,
    "c": 0.15433,
    "h": 275
  },
  "luminance": 0.11939
}

Semantic roles & 50–950 ramp

primary

#4D57BA

secondary

#C9C599

accent

#C854D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4D57BA

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

Preview Lab → · Contrast checker → · Palette generator →