#3654CF#3654CF

#3654CF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.193 H 268.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3654CF
RGB	rgb(54, 84, 207)
HSL	hsl(228, 61%, 51%)
HSV	hsv(228, 74%, 81%)
CMYK	cmyk(73.9%, 59.4%, 0%, 18.8%)
CIE-LAB	lab(40.62, 31.74, -66.73)
CIE-LCH	lch(40.62, 73.90, 295.44°)
OKLab	oklab(50.02% -0.0065 -0.1927)
OKLCH	oklch(50.02% 0.193 268.1)
XYZ	xyz(15.9502, 11.6282, 60.4232)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3654CF #CFB136

analogous

#36A0CF #3654CF #6436CF

triadic

#3654CF #CF3654 #54CF36

tetradic

#3654CF #CF36A0 #CFB136 #36CF64

square

#3654CF #CF36A0 #CFB136 #36CF64

split-complementary

#3654CF #CF6436 #A0CF36

monochromatic

#1B2B70 #273FA1 #3654CF #677EDB #99A8E7

Accessibility & contrast

On white

6.31

#3654CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3654CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3654CF

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3654CF	#FFFFFF	#000000	##FFFFFF
##3654CF	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#0059CD

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3654cf;
/* rgb */ color: rgb(54, 84, 207);
/* oklch */ color: oklch(50.0% 0.193 268.1);

Tailwind

colors: {
  custom: {
    50: '#8283df',
    500: '#3654cf',
    950: '#000000',
  },
}

SCSS

$custom: #3654cf;
$custom-light: #8283df;
$custom-dark: #000000;

JSON

{
  "hex": "#3654cf",
  "rgb": {
    "r": 54,
    "g": 84,
    "b": 207
  },
  "hsl": {
    "h": 228.235,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50022,
    "c": 0.1928,
    "h": 268.1
  },
  "luminance": 0.1163
}

Semantic roles & 50–950 ramp

primary

#3654CF

secondary

#D2C58F

accent

#C543E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3654CF

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

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