#4740BA#4740BA

#4740BA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.185 H 278.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#4740BA
RGB	rgb(71, 64, 186)
HSL	hsl(243, 49%, 49%)
HSV	hsv(243, 66%, 73%)
CMYK	cmyk(61.8%, 65.6%, 0%, 27.1%)
CIE-LAB	lab(35.10, 39.25, -63.46)
CIE-LCH	lch(35.10, 74.62, 301.74°)
OKLab	oklab(45.7% 0.028 -0.1828)
OKLCH	oklch(45.7% 0.185 278.7)
XYZ	xyz(13.2920, 8.5505, 47.3948)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740BA #B3BA40

analogous

#4076BA #4740BA #8440BA

triadic

#4740BA #BA4740 #40BA47

tetradic

#4740BA #BA4076 #B3BA40 #40BA84

square

#4740BA #BA4076 #B3BA40 #40BA84

split-complementary

#4740BA #BA8440 #76BA40

monochromatic

#24215F #36308C #4740BA #716BCC #9C99DC

Accessibility & contrast

On white

7.75

#4740BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4740BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740BA

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740BA	#FFFFFF	#000000	##FFFFFF
##4740BA	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BE

Deuteranopia (green-blind)

#004EB8

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4740ba;
/* rgb */ color: rgb(71, 64, 186);
/* oklch */ color: oklch(45.7% 0.185 278.7);

Tailwind

colors: {
  custom: {
    50: '#8775d0',
    500: '#4740ba',
    950: '#000000',
  },
}

SCSS

$custom: #4740ba;
$custom-light: #8775d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4740ba",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 186
  },
  "hsl": {
    "h": 243.443,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45696,
    "c": 0.18496,
    "h": 278.7
  },
  "luminance": 0.08552
}

Semantic roles & 50–950 ramp

primary

#4740BA

secondary

#C4C88E

accent

#D84FD1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4740BA

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

Preview Lab → · Contrast checker → · Palette generator →