#4739E6#4739E6

#4739E6 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.9% C 0.246 H 275.9°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4739E6
RGB	rgb(71, 57, 230)
HSL	hsl(245, 78%, 56%)
HSV	hsv(245, 75%, 90%)
CMYK	cmyk(69.1%, 75.2%, 0%, 9.8%)
CIE-LAB	lab(37.80, 57.02, -84.50)
CIE-LCH	lch(37.80, 101.94, 304.01°)
OKLab	oklab(48.86% 0.0251 -0.2443)
OKLCH	oklch(48.86% 0.246 275.9)
XYZ	xyz(18.3399, 9.9773, 75.8069)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4739E6 #D8E639

analogous

#3982E6 #4739E6 #9D39E6

triadic

#4739E6 #E64739 #39E647

tetradic

#4739E6 #E63982 #D8E639 #39E69D

square

#4739E6 #E63982 #D8E639 #39E69D

split-complementary

#4739E6 #E69D39 #82E639

monochromatic

#1D1292 #2719C8 #4739E6 #796FED #ACA6F4

Accessibility & contrast

On white

7.01

#4739E6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#4739E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4739E6

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4739E6	#FFFFFF	#000000	##FFFFFF
##4739E6	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060EB

Deuteranopia (green-blind)

#0051E3

Tritanopia (blue-blind)

#006C8E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4739e6;
/* rgb */ color: rgb(71, 57, 230);
/* oklch */ color: oklch(48.9% 0.246 275.9);

Tailwind

colors: {
  custom: {
    50: '#9073ef',
    500: '#4739e6',
    950: '#000000',
  },
}

SCSS

$custom: #4739e6;
$custom-light: #9073ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4739e6",
  "rgb": {
    "r": 71,
    "g": 57,
    "b": 230
  },
  "hsl": {
    "h": 244.855,
    "s": 77.578,
    "l": 56.275
  },
  "oklch": {
    "l": 0.48863,
    "c": 0.24556,
    "h": 275.9
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#4739E6

secondary

#DBE19A

accent

#F434E5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0817

muted

#7E7B85

Preview Lab

Preview with #4739E6

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

Preview Lab → · Contrast checker → · Palette generator →