#3654D9#3654D9

#3654D9 is a mid, highly saturated blue. Relative luminance 0.121; OKLCH L 50.9% C 0.206 H 268.2°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3654D9
RGB	rgb(54, 84, 217)
HSL	hsl(229, 68%, 53%)
HSV	hsv(229, 75%, 85%)
CMYK	cmyk(75.1%, 61.3%, 0%, 14.9%)
CIE-LAB	lab(41.43, 35.35, -71.16)
CIE-LCH	lch(41.43, 79.45, 296.42°)
OKLab	oklab(50.87% -0.0065 -0.2057)
OKLCH	oklch(50.87% 0.206 268.2)
XYZ	xyz(17.2117, 12.1328, 67.0669)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3654D9 #D9BB36

analogous

#36A5D9 #3654D9 #6936D9

triadic

#3654D9 #D93654 #54D936

tetradic

#3654D9 #D936A5 #D9BB36 #36D969

square

#3654D9 #D936A5 #D9BB36 #36D969

split-complementary

#3654D9 #D96936 #A5D936

monochromatic

#182A7D #213CB0 #3654D9 #6980E3 #9DACEC

Accessibility & contrast

On white

6.13

#3654D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3654D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3654D9

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3654D9	#FFFFFF	#000000	##FFFFFF
##3654D9	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#005AD6

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3654d9;
/* rgb */ color: rgb(54, 84, 217);
/* oklch */ color: oklch(50.9% 0.206 268.2);

Tailwind

colors: {
  custom: {
    50: '#8584e6',
    500: '#3654d9',
    950: '#000000',
  },
}

SCSS

$custom: #3654d9;
$custom-light: #8584e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3654d9",
  "rgb": {
    "r": 54,
    "g": 84,
    "b": 217
  },
  "hsl": {
    "h": 228.957,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50872,
    "c": 0.20577,
    "h": 268.2
  },
  "luminance": 0.12135
}

Semantic roles & 50–950 ramp

primary

#3654D9

secondary

#D9CC92

accent

#CB3DEB

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3654D9

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

Preview Lab → · Contrast checker → · Palette generator →