#4751DB#4751DB

#4751DB is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.4% C 0.207 H 273.4°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4751DB
RGB	rgb(71, 81, 219)
HSL	hsl(236, 67%, 57%)
HSV	hsv(236, 68%, 86%)
CMYK	cmyk(67.6%, 63%, 0%, 14.1%)
CIE-LAB	lab(41.75, 39.93, -71.74)
CIE-LCH	lch(41.75, 82.10, 299.10°)
OKLab	oklab(51.4% 0.0121 -0.207)
OKLCH	oklch(51.4% 0.207 273.4)
XYZ	xyz(18.3229, 12.3372, 68.4198)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4751DB #DBD147

analogous

#479BDB #4751DB #8747DB

triadic

#4751DB #DB4751 #51DB47

tetradic

#4751DB #DB479B #DBD147 #47DB87

square

#4751DB #DB479B #DBD147 #47DB87

split-complementary

#4751DB #DB8747 #9BDB47

monochromatic

#1B238C #2530BF #4751DB #7A81E5 #ADB2EF

Accessibility & contrast

On white

6.06

#4751DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4751DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4751DB

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4751DB	#FFFFFF	#000000	##FFFFFF
##4751DB	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DF

Deuteranopia (green-blind)

#005CD8

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4751db;
/* rgb */ color: rgb(71, 81, 219);
/* oklch */ color: oklch(51.4% 0.207 273.4);

Tailwind

colors: {
  custom: {
    50: '#8c82e7',
    500: '#4751db',
    950: '#000000',
  },
}

SCSS

$custom: #4751db;
$custom-light: #8c82e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4751db",
  "rgb": {
    "r": 71,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 235.946,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51395,
    "c": 0.2074,
    "h": 273.4
  },
  "luminance": 0.12339
}

Semantic roles & 50–950 ramp

primary

#4751DB

secondary

#DDD9A1

accent

#DF3EEA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4751DB

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

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