#3658C4#3658C4

#3658C4 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.173 H 266.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3658C4
RGB	rgb(54, 88, 196)
HSL	hsl(226, 57%, 49%)
HSV	hsv(226, 72%, 77%)
CMYK	cmyk(72.4%, 55.1%, 0%, 23.1%)
CIE-LAB	lab(40.81, 25.15, -60.06)
CIE-LCH	lch(40.81, 65.11, 292.72°)
OKLab	oklab(49.9% -0.0098 -0.173)
OKLCH	oklch(49.9% 0.173 266.7)
XYZ	xyz(14.9714, 11.7477, 53.6924)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3658C4 #C4A236

analogous

#369FC4 #3658C4 #5B36C4

triadic

#3658C4 #C43658 #58C436

tetradic

#3658C4 #C4369F #C4A236 #36C45B

square

#3658C4 #C4369F #C4A236 #36C45B

split-complementary

#3658C4 #C45B36 #9FC436

monochromatic

#1C2D64 #294294 #3658C4 #637ED4 #93A6E1

Accessibility & contrast

On white

6.27

#3658C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3658C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3658C4

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3658C4	#FFFFFF	#000000	##FFFFFF
##3658C4	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	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: #3658c4;
/* rgb */ color: rgb(54, 88, 196);
/* oklch */ color: oklch(49.9% 0.173 266.7);

Tailwind

colors: {
  custom: {
    50: '#8086d7',
    500: '#3658c4',
    950: '#000000',
  },
}

SCSS

$custom: #3658c4;
$custom-light: #8086d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3658c4",
  "rgb": {
    "r": 54,
    "g": 88,
    "b": 196
  },
  "hsl": {
    "h": 225.634,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49904,
    "c": 0.1733,
    "h": 266.7
  },
  "luminance": 0.11749
}

Semantic roles & 50–950 ramp

primary

#3658C4

secondary

#CCBC89

accent

#BC48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3658C4

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

Preview Lab → · Contrast checker → · Palette generator →