#4757DB#4757DB

#4757DB is a mid, highly saturated blue. Relative luminance 0.133; OKLCH L 52.4% C 0.200 H 272.2°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4757DB
RGB	rgb(71, 87, 219)
HSL	hsl(234, 67%, 57%)
HSV	hsv(234, 68%, 86%)
CMYK	cmyk(67.6%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(43.17, 36.24, -69.43)
CIE-LCH	lch(43.17, 78.32, 297.57°)
OKLab	oklab(52.44% 0.0077 -0.2002)
OKLCH	oklch(52.44% 0.2 272.2)
XYZ	xyz(18.7886, 13.2687, 68.5751)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757DB #DBCB47

analogous

#47A1DB #4757DB #8147DB

triadic

#4757DB #DB4757 #57DB47

tetradic

#4757DB #DB47A1 #DBCB47 #47DB81

square

#4757DB #DB47A1 #DBCB47 #47DB81

split-complementary

#4757DB #DB8147 #A1DB47

monochromatic

#1B288C #2536BF #4757DB #7A86E5 #ADB4EF

Accessibility & contrast

On white

5.75

#4757DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4757DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757DB

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757DB	#FFFFFF	#000000	##FFFFFF
##4757DB	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4757db;
/* rgb */ color: rgb(71, 87, 219);
/* oklch */ color: oklch(52.4% 0.200 272.2);

Tailwind

colors: {
  custom: {
    50: '#8c86e7',
    500: '#4757db',
    950: '#000000',
  },
}

SCSS

$custom: #4757db;
$custom-light: #8c86e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4757db",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 233.514,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52439,
    "c": 0.20034,
    "h": 272.2
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary

#4757DB

secondary

#DDD7A1

accent

#D83EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4757DB

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

Preview Lab → · Contrast checker → · Palette generator →