#4740BC#4740BC

#4740BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.188 H 278.5°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4740BC
RGB	rgb(71, 64, 188)
HSL	hsl(243, 49%, 49%)
HSV	hsv(243, 66%, 74%)
CMYK	cmyk(62.2%, 66%, 0%, 26.3%)
CIE-LAB	lab(35.27, 39.91, -64.36)
CIE-LCH	lch(35.27, 75.73, 301.80°)
OKLab	oklab(45.87% 0.0278 -0.1855)
OKLCH	oklch(45.87% 0.188 278.5)
XYZ	xyz(13.5061, 8.6362, 48.5224)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740BC #B5BC40

analogous

#4077BC #4740BC #8540BC

triadic

#4740BC #BC4740 #40BC47

tetradic

#4740BC #BC4077 #B5BC40 #40BC85

square

#4740BC #BC4077 #B5BC40 #40BC85

split-complementary

#4740BC #BC8540 #77BC40

monochromatic

#252161 #36308E #4740BC #726CCD #9E9ADD

Accessibility & contrast

On white

7.70

#4740BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4740BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740BC

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740BC	#FFFFFF	#000000	##FFFFFF
##4740BC	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4740bc;
/* rgb */ color: rgb(71, 64, 188);
/* oklch */ color: oklch(45.9% 0.188 278.5);

Tailwind

colors: {
  custom: {
    50: '#8776d1',
    500: '#4740bc',
    950: '#000000',
  },
}

SCSS

$custom: #4740bc;
$custom-light: #8776d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4740bc",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 243.387,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45872,
    "c": 0.18754,
    "h": 278.5
  },
  "luminance": 0.08637
}

Semantic roles & 50–950 ramp

primary

#4740BC

secondary

#C5C98F

accent

#D94FD1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4740BC

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

Preview Lab → · Contrast checker → · Palette generator →