#3750EE#3750EE

#3750EE is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 52.1% C 0.236 H 268.9°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3750EE
RGB	rgb(55, 80, 238)
HSL	hsl(232, 84%, 57%)
HSV	hsv(232, 77%, 93%)
CMYK	cmyk(76.9%, 66.4%, 0%, 6.7%)
CIE-LAB	lab(42.34, 45.30, -81.58)
CIE-LCH	lch(42.34, 93.32, 299.04°)
OKLab	oklab(52.11% -0.0043 -0.2362)
OKLCH	oklch(52.11% 0.236 268.9)
XYZ	xyz(19.8715, 12.7204, 82.2803)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3750EE #EED537

analogous

#37ACEE #3750EE #7937EE

triadic

#3750EE #EE3750 #50EE37

tetradic

#3750EE #EE37AC #EED537 #37EE79

square

#3750EE #EE37AC #EED537 #37EE79

split-complementary

#3750EE #EE7937 #ACEE37

monochromatic

#0D219D #122DD6 #3750EE #6F81F3 #A8B3F8

Accessibility & contrast

On white

5.92

#3750EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3750EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3750EE

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3750EE	#FFFFFF	#000000	##FFFFFF
##3750EE	1.00	5.92	3.54	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DF3

Deuteranopia (green-blind)

#005BEB

Tritanopia (blue-blind)

#007B98

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3750ee;
/* rgb */ color: rgb(55, 80, 238);
/* oklch */ color: oklch(52.1% 0.236 268.9);

Tailwind

colors: {
  custom: {
    50: '#8a81f5',
    500: '#3750ee',
    950: '#000000',
  },
}

SCSS

$custom: #3750ee;
$custom-light: #8a81f5;
$custom-dark: #000000;

JSON

{
  "hex": "#3750ee",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 238
  },
  "hsl": {
    "h": 231.803,
    "s": 84.332,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52108,
    "c": 0.23623,
    "h": 268.9
  },
  "luminance": 0.12723
}

Semantic roles & 50–950 ramp

primary

#3750EE

secondary

#E5DB9B

accent

#DF2DFB

background

#F9F7FF

surface

#F2EEFF

border

#CCC9D7

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #3750EE

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

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