#3658C7#3658C7

#3658C7 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.1% C 0.177 H 266.9°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3658C7
RGB	rgb(54, 88, 199)
HSL	hsl(226, 57%, 50%)
HSV	hsv(226, 73%, 78%)
CMYK	cmyk(72.9%, 55.8%, 0%, 22%)
CIE-LAB	lab(41.03, 26.25, -61.44)
CIE-LCH	lch(41.03, 66.81, 293.14°)
OKLab	oklab(50.14% -0.0097 -0.1771)
OKLCH	oklch(50.14% 0.177 266.9)
XYZ	xyz(15.3163, 11.8856, 55.5087)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3658C7 #C7A536

analogous

#36A1C7 #3658C7 #5D36C7

triadic

#3658C7 #C73658 #58C736

tetradic

#3658C7 #C736A1 #C7A536 #36C75D

square

#3658C7 #C736A1 #C7A536 #36C75D

split-complementary

#3658C7 #C75D36 #A1C736

monochromatic

#1C2D67 #294397 #3658C7 #657FD5 #95A7E2

Accessibility & contrast

On white

6.22

#3658C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3658C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3658C7

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3658C7	#FFFFFF	#000000	##FFFFFF
##3658C7	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CB

Deuteranopia (green-blind)

#005AC5

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3658c7;
/* rgb */ color: rgb(54, 88, 199);
/* oklch */ color: oklch(50.1% 0.177 266.9);

Tailwind

colors: {
  custom: {
    50: '#8086d9',
    500: '#3658c7',
    950: '#000000',
  },
}

SCSS

$custom: #3658c7;
$custom-light: #8086d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3658c7",
  "rgb": {
    "r": 54,
    "g": 88,
    "b": 199
  },
  "hsl": {
    "h": 225.931,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5014,
    "c": 0.17733,
    "h": 266.9
  },
  "luminance": 0.11887
}

Semantic roles & 50–950 ramp

primary

#3658C7

secondary

#CEBE8B

accent

#BD47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3658C7

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

Preview Lab → · Contrast checker → · Palette generator →