#3658C3#3658C3

#3658C3 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.8% C 0.172 H 266.7°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#3658C3
RGB	rgb(54, 88, 195)
HSL	hsl(226, 57%, 49%)
HSV	hsv(226, 72%, 76%)
CMYK	cmyk(72.3%, 54.9%, 0%, 23.5%)
CIE-LAB	lab(40.74, 24.78, -59.59)
CIE-LCH	lch(40.74, 64.54, 292.58°)
OKLab	oklab(49.83% -0.0099 -0.1717)
OKLCH	oklch(49.83% 0.172 266.7)
XYZ	xyz(14.8579, 11.7023, 53.0949)
Luminance	0.1170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3658C3 #C3A136

analogous

#369FC3 #3658C3 #5B36C3

triadic

#3658C3 #C33658 #58C336

tetradic

#3658C3 #C3369F #C3A136 #36C35B

square

#3658C3 #C3369F #C3A136 #36C35B

split-complementary

#3658C3 #C35B36 #9FC336

monochromatic

#1B2D63 #294293 #3658C3 #637ED4 #92A5E1

Accessibility & contrast

On white

6.29

#3658C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#3658C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3658C3

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3658C3	#FFFFFF	#000000	##FFFFFF
##3658C3	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C7

Deuteranopia (green-blind)

#005AC1

Tritanopia (blue-blind)

#007285

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3658c3;
/* rgb */ color: rgb(54, 88, 195);
/* oklch */ color: oklch(49.8% 0.172 266.7);

Tailwind

colors: {
  custom: {
    50: '#8086d6',
    500: '#3658c3',
    950: '#000000',
  },
}

SCSS

$custom: #3658c3;
$custom-light: #8086d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3658c3",
  "rgb": {
    "r": 54,
    "g": 88,
    "b": 195
  },
  "hsl": {
    "h": 225.532,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49825,
    "c": 0.17195,
    "h": 266.7
  },
  "luminance": 0.11704
}

Semantic roles & 50–950 ramp

primary

#3658C3

secondary

#CCBC89

accent

#BB48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3658C3

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

Preview Lab → · Contrast checker → · Palette generator →