#4D71BE#4D71BE

#4D71BE is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.127 H 263.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4D71BE
RGB	rgb(77, 113, 190)
HSL	hsl(221, 47%, 52%)
HSV	hsv(221, 59%, 75%)
CMYK	cmyk(59.5%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(48.39, 10.94, -44.35)
CIE-LCH	lch(48.39, 45.68, 283.86°)
OKLab	oklab(55.87% -0.0135 -0.126)
OKLCH	oklch(55.87% 0.127 263.9)
XYZ	xyz(18.2568, 17.1042, 51.0446)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D71BE #BE9A4D

analogous

#4DA9BE #4D71BE #624DBE

triadic

#4D71BE #BE4D71 #71BE4D

tetradic

#4D71BE #BE4DA9 #BE9A4D #4DBE62

square

#4D71BE #BE4DA9 #BE9A4D #4DBE62

split-complementary

#4D71BE #BE624D #A9BE4D

monochromatic

#273C6A #375697 #4D71BE #7A95CE #A7B9DF

Accessibility & contrast

On white

4.75

#4D71BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#4D71BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D71BE

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D71BE	#FFFFFF	#000000	##FFFFFF
##4D71BE	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5078C1

Deuteranopia (green-blind)

#406EBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d71be;
/* rgb */ color: rgb(77, 113, 190);
/* oklch */ color: oklch(55.9% 0.127 263.9);

Tailwind

colors: {
  custom: {
    50: '#8899d2',
    500: '#4d71be',
    950: '#000000',
  },
}

SCSS

$custom: #4d71be;
$custom-light: #8899d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d71be",
  "rgb": {
    "r": 77,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 220.885,
    "s": 46.502,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55871,
    "c": 0.12677,
    "h": 263.9
  },
  "luminance": 0.17106
}

Semantic roles & 50–950 ramp

primary

#4D71BE

secondary

#CCBC9B

accent

#AC52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4D71BE

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

Preview Lab → · Contrast checker → · Palette generator →