#3754B7#3754B7

#3754B7 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.160 H 267.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3754B7
RGB	rgb(55, 84, 183)
HSL	hsl(226, 54%, 47%)
HSV	hsv(226, 70%, 72%)
CMYK	cmyk(69.9%, 54.1%, 0%, 28.2%)
CIE-LAB	lab(38.85, 23.11, -55.65)
CIE-LCH	lch(38.85, 60.26, 292.55°)
OKLab	oklab(48.14% -0.0065 -0.1601)
OKLCH	oklch(48.14% 0.16 267.7)
XYZ	xyz(13.2902, 10.5704, 46.1305)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754B7 #B79A37

analogous

#3794B7 #3754B7 #5A37B7

triadic

#3754B7 #B73754 #54B737

tetradic

#3754B7 #B73794 #B79A37 #37B75A

square

#3754B7 #B73794 #B79A37 #37B75A

split-complementary

#3754B7 #B75A37 #94B737

monochromatic

#1B2959 #293E88 #3754B7 #5D77CE #8C9EDC

Accessibility & contrast

On white

6.74

#3754B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3754B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754B7

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754B7	#FFFFFF	#000000	##FFFFFF
##3754B7	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0762BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3754b7;
/* rgb */ color: rgb(55, 84, 183);
/* oklch */ color: oklch(48.1% 0.160 267.7);

Tailwind

colors: {
  custom: {
    50: '#7e83cd',
    500: '#3754b7',
    950: '#000000',
  },
}

SCSS

$custom: #3754b7;
$custom-light: #7e83cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3754b7",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 183
  },
  "hsl": {
    "h": 226.406,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48137,
    "c": 0.16022,
    "h": 267.7
  },
  "luminance": 0.10572
}

Semantic roles & 50–950 ramp

primary

#3754B7

secondary

#C7B783

accent

#BC4BDD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3754B7

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

Preview Lab → · Contrast checker → · Palette generator →