#4637CB#4637CB

#4637CB is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.9% C 0.216 H 278.1°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#4637CB
RGB	rgb(70, 55, 203)
HSL	hsl(246, 59%, 51%)
HSV	hsv(246, 73%, 80%)
CMYK	cmyk(65.5%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(34.69, 49.70, -74.10)
CIE-LCH	lch(34.69, 89.22, 303.85°)
OKLab	oklab(45.85% 0.0306 -0.214)
OKLCH	oklch(45.85% 0.216 278.1)
XYZ	xyz(14.6680, 8.3450, 57.3261)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4637CB #BCCB37

analogous

#3772CB #4637CB #9037CB

triadic

#4637CB #CB4637 #37CB46

tetradic

#4637CB #CB3772 #BCCB37 #37CB90

square

#4637CB #CB3772 #BCCB37 #37CB90

split-complementary

#4637CB #CB9037 #72CB37

monochromatic

#241C6C #34299C #4637CB #7368D8 #A098E4

Accessibility & contrast

On white

7.87

#4637CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4637CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637CB

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637CB	#FFFFFF	#000000	##FFFFFF
##4637CB	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CF

Deuteranopia (green-blind)

#004BC8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4637cb;
/* rgb */ color: rgb(70, 55, 203);
/* oklch */ color: oklch(45.9% 0.216 278.1);

Tailwind

colors: {
  custom: {
    50: '#8a70dc',
    500: '#4637cb',
    950: '#000000',
  },
}

SCSS

$custom: #4637cb;
$custom-light: #8a70dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4637cb",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 246.081,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4585,
    "c": 0.21614,
    "h": 278.1
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#4637CB

secondary

#C9D08E

accent

#E246D2

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4637CB

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

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