#4971CF#4971CF

#4971CF is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.152 H 264.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4971CF
RGB	rgb(73, 113, 207)
HSL	hsl(222, 58%, 55%)
HSV	hsv(222, 65%, 81%)
CMYK	cmyk(64.7%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(49.17, 16.06, -52.87)
CIE-LCH	lch(49.17, 55.26, 286.90°)
OKLab	oklab(56.73% -0.0141 -0.1511)
OKLCH	oklch(56.73% 0.152 264.7)
XYZ	xyz(19.9113, 17.7299, 61.3923)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971CF #CFA749

analogous

#49B4CF #4971CF #6449CF

triadic

#4971CF #CF4971 #71CF49

tetradic

#4971CF #CF49B4 #CFA749 #49CF64

square

#4971CF #CF49B4 #CFA749 #49CF64

split-complementary

#4971CF #CF6449 #B4CF49

monochromatic

#213C7D #2E54AD #4971CF #7997DC #AABDE9

Accessibility & contrast

On white

4.62

#4971CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4971CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4971CF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971CF	#FFFFFF	#000000	##FFFFFF
##4971CF	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD3

Deuteranopia (green-blind)

#2B6FCD

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4971cf;
/* rgb */ color: rgb(73, 113, 207);
/* oklch */ color: oklch(56.7% 0.152 264.7);

Tailwind

colors: {
  custom: {
    50: '#8999de',
    500: '#4971cf',
    950: '#000000',
  },
}

SCSS

$custom: #4971cf;
$custom-light: #8999de;
$custom-dark: #000000;

JSON

{
  "hex": "#4971cf",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 222.09,
    "s": 58.261,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5673,
    "c": 0.15178,
    "h": 264.7
  },
  "luminance": 0.17732
}

Semantic roles & 50–950 ramp

primary

#4971CF

secondary

#D6C59E

accent

#B346E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4971CF

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

Preview Lab → · Contrast checker → · Palette generator →