#4640BB#4640BB

#4640BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.186 H 278.2°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#4640BB
RGB	rgb(70, 64, 187)
HSL	hsl(243, 49%, 49%)
HSV	hsv(243, 66%, 73%)
CMYK	cmyk(62.6%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(35.11, 39.43, -64.04)
CIE-LCH	lch(35.11, 75.20, 301.62°)
OKLab	oklab(45.71% 0.0266 -0.1845)
OKLCH	oklch(45.71% 0.186 278.2)
XYZ	xyz(13.3259, 8.5557, 47.9532)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.59

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640BB #B5BB40

analogous

#4078BB #4640BB #8440BB

triadic

#4640BB #BB4640 #40BB46

tetradic

#4640BB #BB4078 #B5BB40 #40BB84

square

#4640BB #BB4078 #B5BB40 #40BB84

split-complementary

#4640BB #BB8440 #78BB40

monochromatic

#242160 #35308D #4640BB #706CCD #9C99DC

Accessibility & contrast

On white

7.75

#4640BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4640BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640BB

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640BB	#FFFFFF	#000000	##FFFFFF
##4640BB	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)

#0058BF

Deuteranopia (green-blind)

#004DB9

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4640bb;
/* rgb */ color: rgb(70, 64, 187);
/* oklch */ color: oklch(45.7% 0.186 278.2);

Tailwind

colors: {
  custom: {
    50: '#8775d0',
    500: '#4640bb',
    950: '#000000',
  },
}

SCSS

$custom: #4640bb;
$custom-light: #8775d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4640bb",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 242.927,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45711,
    "c": 0.18646,
    "h": 278.2
  },
  "luminance": 0.08557
}

Semantic roles & 50–950 ramp

primary

#4640BB

secondary

#C5C88F

accent

#D94FD2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4640BB

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

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