#4F71BD#4F71BD

#4F71BD is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.125 H 264.5°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4F71BD
RGB	rgb(79, 113, 189)
HSL	hsl(221, 45%, 53%)
HSV	hsv(221, 58%, 74%)
CMYK	cmyk(58.2%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(48.44, 11.01, -43.68)
CIE-LCH	lch(48.44, 45.05, 284.15°)
OKLab	oklab(55.92% -0.0119 -0.124)
OKLCH	oklch(55.92% 0.125 264.5)
XYZ	xyz(18.3118, 17.1452, 50.4786)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F71BD #BD9B4F

analogous

#4FA8BD #4F71BD #644FBD

triadic

#4F71BD #BD4F71 #71BD4F

tetradic

#4F71BD #BD4FA8 #BD9B4F #4FBD64

square

#4F71BD #BD4FA8 #BD9B4F #4FBD64

split-complementary

#4F71BD #BD644F #A8BD4F

monochromatic

#283C6A #385596 #4F71BD #7C95CE #A8B9DE

Accessibility & contrast

On white

4.74

#4F71BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4F71BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F71BD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F71BD	#FFFFFF	#000000	##FFFFFF
##4F71BD	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178C0

Deuteranopia (green-blind)

#426EBB

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4f71bd;
/* rgb */ color: rgb(79, 113, 189);
/* oklch */ color: oklch(55.9% 0.125 264.5);

Tailwind

colors: {
  custom: {
    50: '#8999d1',
    500: '#4f71bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f71bd;
$custom-light: #8999d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f71bd",
  "rgb": {
    "r": 79,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 221.455,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55921,
    "c": 0.12462,
    "h": 264.5
  },
  "luminance": 0.17147
}

Semantic roles & 50–950 ramp

primary

#4F71BD

secondary

#CCBD9C

accent

#AD53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4F71BD

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

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