#4971B2#4971B2

#4971B2 is a mid, moderate blue. Relative luminance 0.164; OKLCH L 55.0% C 0.112 H 259.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4971B2
RGB	rgb(73, 113, 178)
HSL	hsl(217, 42%, 49%)
HSV	hsv(217, 59%, 70%)
CMYK	cmyk(59%, 36.5%, 0%, 30.2%)
CIE-LAB	lab(47.55, 6.06, -38.75)
CIE-LCH	lch(47.55, 39.22, 278.89°)
OKLab	oklab(54.95% -0.02 -0.1097)
OKLCH	oklch(54.95% 0.112 259.7)
XYZ	xyz(16.6859, 16.4397, 44.4047)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971B2 #B28A49

analogous

#49A6B2 #4971B2 #5649B2

triadic

#4971B2 #B24971 #71B249

tetradic

#4971B2 #B249A6 #B28A49 #49B256

square

#4971B2 #B249A6 #B28A49 #49B256

split-complementary

#4971B2 #B25649 #A6B249

monochromatic

#253A5B #375587 #4971B2 #7392C5 #9EB4D7

Accessibility & contrast

On white

4.90

#4971B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4971B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4971B2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971B2	#FFFFFF	#000000	##FFFFFF
##4971B2	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5676B5

Deuteranopia (green-blind)

#486CB1

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4971b2;
/* rgb */ color: rgb(73, 113, 178);
/* oklch */ color: oklch(55.0% 0.112 259.7);

Tailwind

colors: {
  custom: {
    50: '#8499c9',
    500: '#4971b2',
    950: '#000000',
  },
}

SCSS

$custom: #4971b2;
$custom-light: #8499c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4971b2",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 178
  },
  "hsl": {
    "h": 217.143,
    "s": 41.833,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54952,
    "c": 0.11154,
    "h": 259.7
  },
  "luminance": 0.16441
}

Semantic roles & 50–950 ramp

primary

#4971B2

secondary

#C4B193

accent

#A356D2

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #4971B2

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

Preview Lab → · Contrast checker → · Palette generator →