#3758C4#3758C4

#3758C4 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.173 H 267.0°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3758C4
RGB	rgb(55, 88, 196)
HSL	hsl(226, 56%, 49%)
HSV	hsv(226, 72%, 77%)
CMYK	cmyk(71.9%, 55.1%, 0%, 23.1%)
CIE-LAB	lab(40.86, 25.28, -59.98)
CIE-LCH	lch(40.86, 65.09, 292.85°)
OKLab	oklab(49.95% -0.009 -0.1728)
OKLCH	oklch(49.95% 0.173 267)
XYZ	xyz(15.0256, 11.7756, 53.6949)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3758C4 #C4A337

analogous

#379FC4 #3758C4 #5C37C4

triadic

#3758C4 #C43758 #58C437

tetradic

#3758C4 #C4379F #C4A337 #37C45C

square

#3758C4 #C4379F #C4A337 #37C45C

split-complementary

#3758C4 #C45C37 #9FC437

monochromatic

#1C2D64 #2A4394 #3758C4 #657FD4 #94A6E1

Accessibility & contrast

On white

6.26

#3758C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3758C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3758C4

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3758C4	#FFFFFF	#000000	##FFFFFF
##3758C4	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C8

Deuteranopia (green-blind)

#005AC2

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3758c4;
/* rgb */ color: rgb(55, 88, 196);
/* oklch */ color: oklch(50.0% 0.173 267.0);

Tailwind

colors: {
  custom: {
    50: '#8086d7',
    500: '#3758c4',
    950: '#000000',
  },
}

SCSS

$custom: #3758c4;
$custom-light: #8086d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3758c4",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 196
  },
  "hsl": {
    "h": 225.957,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4995,
    "c": 0.17301,
    "h": 267
  },
  "luminance": 0.11777
}

Semantic roles & 50–950 ramp

primary

#3758C4

secondary

#CCBD8B

accent

#BC48DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3758C4

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

Preview Lab → · Contrast checker → · Palette generator →