#4971DB#4971DB

#4971DB is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.5% C 0.168 H 265.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4971DB
RGB	rgb(73, 113, 219)
HSL	hsl(224, 67%, 57%)
HSV	hsv(224, 67%, 86%)
CMYK	cmyk(66.7%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(49.90, 20.27, -58.50)
CIE-LCH	lch(49.90, 61.91, 289.11°)
OKLab	oklab(57.53% -0.0123 -0.1677)
OKLCH	oklch(57.53% 0.168 265.8)
XYZ	xyz(21.4345, 18.3391, 69.4143)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971DB #DBB349

analogous

#49BADB #4971DB #6A49DB

triadic

#4971DB #DB4971 #71DB49

tetradic

#4971DB #DB49BA #DBB349 #49DB6A

square

#4971DB #DB49BA #DBB349 #49DB6A

split-complementary

#4971DB #DB6A49 #BADB49

monochromatic

#1C3B8E #2650C1 #4971DB #7C99E5 #AFC1EF

Accessibility & contrast

On white

4.50

#4971DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4971DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4971DB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971DB	#FFFFFF	#000000	##000000
##4971DB	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377EDF

Deuteranopia (green-blind)

#1070D9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4971db;
/* rgb */ color: rgb(73, 113, 219);
/* oklch */ color: oklch(57.5% 0.168 265.8);

Tailwind

colors: {
  custom: {
    50: '#8b99e7',
    500: '#4971db',
    950: '#000000',
  },
}

SCSS

$custom: #4971db;
$custom-light: #8b99e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4971db",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 223.562,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57532,
    "c": 0.16814,
    "h": 265.8
  },
  "luminance": 0.18341
}

Semantic roles & 50–950 ramp

primary

#4971DB

secondary

#DDCDA2

accent

#BB3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4971DB

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

Preview Lab → · Contrast checker → · Palette generator →