#3758C0#3758C0

#3758C0 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.168 H 266.8°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3758C0
RGB	rgb(55, 88, 192)
HSL	hsl(226, 55%, 48%)
HSV	hsv(226, 71%, 75%)
CMYK	cmyk(71.4%, 54.2%, 0%, 24.7%)
CIE-LAB	lab(40.57, 23.81, -58.13)
CIE-LCH	lch(40.57, 62.82, 292.28°)
OKLab	oklab(49.64% -0.0092 -0.1673)
OKLCH	oklch(49.64% 0.168 266.8)
XYZ	xyz(14.5764, 11.5959, 51.3290)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3758C0 #C09F37

analogous

#379DC0 #3758C0 #5A37C0

triadic

#3758C0 #C03758 #58C037

tetradic

#3758C0 #C0379D #C09F37 #37C05A

square

#3758C0 #C0379D #C09F37 #37C05A

split-complementary

#3758C0 #C05A37 #9DC037

monochromatic

#1C2C61 #294290 #3758C0 #627DD2 #92A4E0

Accessibility & contrast

On white

6.33

#3758C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3758C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3758C0

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3758C0	#FFFFFF	#000000	##FFFFFF
##3758C0	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0266C4

Deuteranopia (green-blind)

#005ABE

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3758c0;
/* rgb */ color: rgb(55, 88, 192);
/* oklch */ color: oklch(49.6% 0.168 266.8);

Tailwind

colors: {
  custom: {
    50: '#7f86d4',
    500: '#3758c0',
    950: '#000000',
  },
}

SCSS

$custom: #3758c0;
$custom-light: #7f86d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3758c0",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 192
  },
  "hsl": {
    "h": 225.547,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49639,
    "c": 0.16757,
    "h": 266.8
  },
  "luminance": 0.11597
}

Semantic roles & 50–950 ramp

primary

#3758C0

secondary

#CBBB88

accent

#BB49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3758C0

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

Preview Lab → · Contrast checker → · Palette generator →