#3754AA#3754AA

#3754AA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.142 H 266.9°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#3754AA
RGB	rgb(55, 84, 170)
HSL	hsl(225, 51%, 44%)
HSV	hsv(225, 68%, 67%)
CMYK	cmyk(67.6%, 50.6%, 0%, 33.3%)
CIE-LAB	lab(37.94, 18.33, -49.44)
CIE-LCH	lch(37.94, 52.73, 290.34°)
OKLab	oklab(47.16% -0.0078 -0.1418)
OKLCH	oklch(47.16% 0.142 266.9)
XYZ	xyz(11.9991, 10.0540, 39.3307)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754AA #AA8D37

analogous

#378EAA #3754AA #5437AA

triadic

#3754AA #AA3754 #54AA37

tetradic

#3754AA #AA378E #AA8D37 #37AA54

square

#3754AA #AA378E #AA8D37 #37AA54

split-complementary

#3754AA #AA5437 #8EAA37

monochromatic

#19264E #283D7C #3754AA #5673C8 #8499D7

Accessibility & contrast

On white

6.97

#3754AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3754AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754AA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754AA	#FFFFFF	#000000	##FFFFFF
##3754AA	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235FAD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3754aa;
/* rgb */ color: rgb(55, 84, 170);
/* oklch */ color: oklch(47.2% 0.142 266.9);

Tailwind

colors: {
  custom: {
    50: '#7b83c4',
    500: '#3754aa',
    950: '#000000',
  },
}

SCSS

$custom: #3754aa;
$custom-light: #7b83c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3754aa",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 170
  },
  "hsl": {
    "h": 224.87,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4716,
    "c": 0.14203,
    "h": 266.9
  },
  "luminance": 0.10055
}

Semantic roles & 50–950 ramp

primary

#3754AA

secondary

#C1B07C

accent

#B74DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3754AA

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

Preview Lab → · Contrast checker → · Palette generator →