#3754D9#3754D9

#3754D9 is a mid, highly saturated blue. Relative luminance 0.122; OKLCH L 50.9% C 0.206 H 268.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#3754D9
RGB	rgb(55, 84, 217)
HSL	hsl(229, 68%, 53%)
HSV	hsv(229, 75%, 85%)
CMYK	cmyk(74.7%, 61.3%, 0%, 14.9%)
CIE-LAB	lab(41.47, 35.46, -71.08)
CIE-LCH	lch(41.47, 79.44, 296.51°)
OKLab	oklab(50.92% -0.0056 -0.2054)
OKLCH	oklch(50.92% 0.206 268.4)
XYZ	xyz(17.2659, 12.1607, 67.0695)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754D9 #D9BC37

analogous

#37A5D9 #3754D9 #6B37D9

triadic

#3754D9 #D93754 #54D937

tetradic

#3754D9 #D937A5 #D9BC37 #37D96B

square

#3754D9 #D937A5 #D9BC37 #37D96B

split-complementary

#3754D9 #D96B37 #A5D937

monochromatic

#182A7E #223BB1 #3754D9 #6A80E3 #9EACED

Accessibility & contrast

On white

6.12

#3754D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3754D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754D9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754D9	#FFFFFF	#000000	##FFFFFF
##3754D9	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	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: #3754d9;
/* rgb */ color: rgb(55, 84, 217);
/* oklch */ color: oklch(50.9% 0.206 268.4);

Tailwind

colors: {
  custom: {
    50: '#8584e6',
    500: '#3754d9',
    950: '#000000',
  },
}

SCSS

$custom: #3754d9;
$custom-light: #8584e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3754d9",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 217
  },
  "hsl": {
    "h": 229.259,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50917,
    "c": 0.20551,
    "h": 268.4
  },
  "luminance": 0.12163
}

Semantic roles & 50–950 ramp

primary

#3754D9

secondary

#D9CC93

accent

#CC3DEB

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3754D9

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

Preview Lab → · Contrast checker → · Palette generator →