#4C71AB#4C71AB

#4C71AB is a mid, moderate blue. Relative luminance 0.163; OKLCH L 54.7% C 0.101 H 259.1°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4C71AB
RGB	rgb(76, 113, 171)
HSL	hsl(217, 38%, 48%)
HSV	hsv(217, 56%, 67%)
CMYK	cmyk(55.6%, 33.9%, 0%, 32.9%)
CIE-LAB	lab(47.35, 4.37, -34.98)
CIE-LCH	lch(47.35, 35.25, 277.12°)
OKLab	oklab(54.72% -0.019 -0.0987)
OKLCH	oklch(54.72% 0.101 259.1)
XYZ	xyz(16.2338, 16.2857, 40.8082)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71AB #AB864C

analogous

#4CA0AB #4C71AB #564CAB

triadic

#4C71AB #AB4C71 #71AB4C

tetradic

#4C71AB #AB4CA0 #AB864C #4CAB56

square

#4C71AB #AB4CA0 #AB864C #4CAB56

split-complementary

#4C71AB #AB564C #A0AB4C

monochromatic

#263956 #395581 #4C71AB #7392C1 #9EB3D4

Accessibility & contrast

On white

4.93

#4C71AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4C71AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C71AB

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71AB	#FFFFFF	#000000	##FFFFFF
##4C71AB	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A75AD

Deuteranopia (green-blind)

#4E6CAA

Tritanopia (blue-blind)

#107E86

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4c71ab;
/* rgb */ color: rgb(76, 113, 171);
/* oklch */ color: oklch(54.7% 0.101 259.1);

Tailwind

colors: {
  custom: {
    50: '#8599c4',
    500: '#4c71ab',
    950: '#000000',
  },
}

SCSS

$custom: #4c71ab;
$custom-light: #8599c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71ab",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 171
  },
  "hsl": {
    "h": 216.632,
    "s": 38.462,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54723,
    "c": 0.10051,
    "h": 259.1
  },
  "luminance": 0.16287
}

Semantic roles & 50–950 ramp

primary

#4C71AB

secondary

#C0AE92

accent

#A159CE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #4C71AB

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

Preview Lab → · Contrast checker → · Palette generator →