#3750A2#3750A2

#3750A2 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.7% C 0.136 H 268.0°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3750A2
RGB	rgb(55, 80, 162)
HSL	hsl(226, 49%, 43%)
HSV	hsv(226, 66%, 64%)
CMYK	cmyk(66%, 50.6%, 0%, 36.5%)
CIE-LAB	lab(36.29, 18.03, -47.33)
CIE-LCH	lch(36.29, 50.65, 290.85°)
OKLab	oklab(45.73% -0.0048 -0.1357)
OKLCH	oklch(45.73% 0.136 268)
XYZ	xyz(10.9636, 9.1572, 35.3652)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3750A2 #A28937

analogous

#3786A2 #3750A2 #5337A2

triadic

#3750A2 #A23750 #50A237

tetradic

#3750A2 #A23786 #A28937 #37A253

square

#3750A2 #A23786 #A28937 #37A253

split-complementary

#3750A2 #A25337 #86A237

monochromatic

#182347 #273974 #3750A2 #526DC4 #8093D4

Accessibility & contrast

On white

7.42

#3750A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3750A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3750A2

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3750A2	#FFFFFF	#000000	##FFFFFF
##3750A2	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225AA5

Deuteranopia (green-blind)

#0251A0

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3750a2;
/* rgb */ color: rgb(55, 80, 162);
/* oklch */ color: oklch(45.7% 0.136 268.0);

Tailwind

colors: {
  custom: {
    50: '#7a80be',
    500: '#3750a2',
    950: '#000000',
  },
}

SCSS

$custom: #3750a2;
$custom-light: #7a80be;
$custom-dark: #000000;

JSON

{
  "hex": "#3750a2",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 162
  },
  "hsl": {
    "h": 225.981,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4573,
    "c": 0.13577,
    "h": 268
  },
  "luminance": 0.09158
}

Semantic roles & 50–950 ramp

primary

#3750A2

secondary

#BDAD78

accent

#B94FD9

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3750A2

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

Preview Lab → · Contrast checker → · Palette generator →