#3754DA#3754DA

#3754DA is a mid, highly saturated blue. Relative luminance 0.122; OKLCH L 51.0% C 0.207 H 268.4°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#3754DA
RGB	rgb(55, 84, 218)
HSL	hsl(229, 69%, 54%)
HSV	hsv(229, 75%, 85%)
CMYK	cmyk(74.8%, 61.5%, 0%, 14.5%)
CIE-LAB	lab(41.55, 35.81, -71.52)
CIE-LCH	lch(41.55, 79.99, 296.60°)
OKLab	oklab(51% -0.0057 -0.2067)
OKLCH	oklch(51% 0.207 268.4)
XYZ	xyz(17.3964, 12.2129, 67.7566)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754DA #DABD37

analogous

#37A5DA #3754DA #6B37DA

triadic

#3754DA #DA3754 #54DA37

tetradic

#3754DA #DA37A5 #DABD37 #37DA6B

square

#3754DA #DA37A5 #DABD37 #37DA6B

split-complementary

#3754DA #DA6B37 #A5DA37

monochromatic

#182A7F #213BB3 #3754DA #6B80E4 #9EACED

Accessibility & contrast

On white

6.10

#3754DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#3754DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754DA

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754DA	#FFFFFF	#000000	##FFFFFF
##3754DA	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADE

Deuteranopia (green-blind)

#005BD7

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3754da;
/* rgb */ color: rgb(55, 84, 218);
/* oklch */ color: oklch(51.0% 0.207 268.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3754da",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 218
  },
  "hsl": {
    "h": 229.325,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51003,
    "c": 0.2068,
    "h": 268.4
  },
  "luminance": 0.12215
}

Semantic roles & 50–950 ramp

primary

#3754DA

secondary

#D9CD93

accent

#CC3CEC

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3754DA

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

Preview Lab → · Contrast checker → · Palette generator →