#3758C5#3758C5

#3758C5 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.174 H 267.1°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3758C5
RGB	rgb(55, 88, 197)
HSL	hsl(226, 56%, 49%)
HSV	hsv(226, 72%, 77%)
CMYK	cmyk(72.1%, 55.3%, 0%, 22.7%)
CIE-LAB	lab(40.93, 25.65, -60.44)
CIE-LCH	lch(40.93, 65.66, 292.99°)
OKLab	oklab(50.03% -0.0089 -0.1741)
OKLCH	oklch(50.03% 0.174 267.1)
XYZ	xyz(15.1398, 11.8213, 54.2963)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3758C5 #C5A437

analogous

#379FC5 #3758C5 #5D37C5

triadic

#3758C5 #C53758 #58C537

tetradic

#3758C5 #C5379F #C5A437 #37C55D

square

#3758C5 #C5379F #C5A437 #37C55D

split-complementary

#3758C5 #C55D37 #9FC537

monochromatic

#1C2D65 #2A4395 #3758C5 #657FD4 #95A7E1

Accessibility & contrast

On white

6.24

#3758C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3758C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3758C5

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3758C5	#FFFFFF	#000000	##FFFFFF
##3758C5	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C9

Deuteranopia (green-blind)

#005AC3

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3758c5;
/* rgb */ color: rgb(55, 88, 197);
/* oklch */ color: oklch(50.0% 0.174 267.1);

Tailwind

colors: {
  custom: {
    50: '#8086d7',
    500: '#3758c5',
    950: '#000000',
  },
}

SCSS

$custom: #3758c5;
$custom-light: #8086d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3758c5",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 197
  },
  "hsl": {
    "h": 226.056,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50028,
    "c": 0.17436,
    "h": 267.1
  },
  "luminance": 0.11823
}

Semantic roles & 50–950 ramp

primary

#3758C5

secondary

#CDBD8B

accent

#BC48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3758C5

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

Preview Lab → · Contrast checker → · Palette generator →