#4738AF#4738AF

#4738AF is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.180 H 281.5°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#4738AF
RGB	rgb(71, 56, 175)
HSL	hsl(248, 52%, 45%)
HSV	hsv(248, 68%, 69%)
CMYK	cmyk(59.4%, 68%, 0%, 31.4%)
CIE-LAB	lab(32.40, 40.46, -61.37)
CIE-LCH	lch(32.40, 73.51, 303.40°)
OKLab	oklab(43.45% 0.0361 -0.1767)
OKLCH	oklch(43.45% 0.18 281.5)
XYZ	xyz(11.7482, 7.2623, 41.3318)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.89

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4738AF #A0AF38

analogous

#3864AF #4738AF #8238AF

triadic

#4738AF #AF4738 #38AF47

tetradic

#4738AF #AF3864 #A0AF38 #38AF82

square

#4738AF #AF3864 #A0AF38 #38AF82

split-complementary

#4738AF #AF8238 #64AF38

monochromatic

#211A52 #342981 #4738AF #685ACA #9388D9

Accessibility & contrast

On white

8.56

#4738AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#4738AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4738AF

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4738AF	#FFFFFF	#000000	##FFFFFF
##4738AF	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4738af;
/* rgb */ color: rgb(71, 56, 175);
/* oklch */ color: oklch(43.4% 0.180 281.5);

Tailwind

colors: {
  custom: {
    50: '#8670c8',
    500: '#4738af',
    950: '#000000',
  },
}

SCSS

$custom: #4738af;
$custom-light: #8670c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4738af",
  "rgb": {
    "r": 71,
    "g": 56,
    "b": 175
  },
  "hsl": {
    "h": 247.563,
    "s": 51.515,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43446,
    "c": 0.18036,
    "h": 281.5
  },
  "luminance": 0.07263
}

Semantic roles & 50–950 ramp

primary

#4738AF

secondary

#BBC380

accent

#DB4DC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4738AF

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

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