#3658C8#3658C8

#3658C8 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.179 H 266.9°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#3658C8
RGB	rgb(54, 88, 200)
HSL	hsl(226, 57%, 50%)
HSV	hsv(226, 73%, 78%)
CMYK	cmyk(73%, 56%, 0%, 21.6%)
CIE-LAB	lab(41.11, 26.62, -61.89)
CIE-LCH	lch(41.11, 67.38, 293.27°)
OKLab	oklab(50.22% -0.0096 -0.1784)
OKLCH	oklch(50.22% 0.179 266.9)
XYZ	xyz(15.4327, 11.9322, 56.1222)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3658C8 #C8A636

analogous

#36A1C8 #3658C8 #5D36C8

triadic

#3658C8 #C83658 #58C836

tetradic

#3658C8 #C836A1 #C8A636 #36C85D

square

#3658C8 #C836A1 #C8A636 #36C85D

split-complementary

#3658C8 #C85D36 #A1C836

monochromatic

#1C2E68 #294398 #3658C8 #6680D6 #96A8E3

Accessibility & contrast

On white

6.20

#3658C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#3658C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3658C8

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3658C8	#FFFFFF	#000000	##FFFFFF
##3658C8	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005AC6

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3658c8;
/* rgb */ color: rgb(54, 88, 200);
/* oklch */ color: oklch(50.2% 0.179 266.9);

Tailwind

colors: {
  custom: {
    50: '#8186da',
    500: '#3658c8',
    950: '#000000',
  },
}

SCSS

$custom: #3658c8;
$custom-light: #8186da;
$custom-dark: #000000;

JSON

{
  "hex": "#3658c8",
  "rgb": {
    "r": 54,
    "g": 88,
    "b": 200
  },
  "hsl": {
    "h": 226.027,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50219,
    "c": 0.17868,
    "h": 266.9
  },
  "luminance": 0.11934
}

Semantic roles & 50–950 ramp

primary

#3658C8

secondary

#CEBF8C

accent

#BD47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3658C8

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

Preview Lab → · Contrast checker → · Palette generator →