#3754B2#3754B2

#3754B2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.153 H 267.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3754B2
RGB	rgb(55, 84, 178)
HSL	hsl(226, 53%, 46%)
HSV	hsv(226, 69%, 70%)
CMYK	cmyk(69.1%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(38.49, 21.27, -53.28)
CIE-LCH	lch(38.49, 57.37, 291.76°)
OKLab	oklab(47.76% -0.007 -0.1531)
OKLCH	oklch(47.76% 0.153 267.4)
XYZ	xyz(12.7790, 10.3660, 43.4382)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754B2 #B29537

analogous

#3791B2 #3754B2 #5837B2

triadic

#3754B2 #B23754 #54B237

tetradic

#3754B2 #B23791 #B29537 #37B258

square

#3754B2 #B23791 #B29537 #37B258

split-complementary

#3754B2 #B25837 #91B237

monochromatic

#1A2854 #293E83 #3754B2 #5A75CC #899CDB

Accessibility & contrast

On white

6.83

#3754B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3754B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754B2

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754B2	#FFFFFF	#000000	##FFFFFF
##3754B2	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1661B5

Deuteranopia (green-blind)

#0055B0

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3754b2;
/* rgb */ color: rgb(55, 84, 178);
/* oklch */ color: oklch(47.8% 0.153 267.4);

Tailwind

colors: {
  custom: {
    50: '#7d83ca',
    500: '#3754b2',
    950: '#000000',
  },
}

SCSS

$custom: #3754b2;
$custom-light: #7d83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3754b2",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 225.854,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47755,
    "c": 0.15328,
    "h": 267.4
  },
  "luminance": 0.10367
}

Semantic roles & 50–950 ramp

primary

#3754B2

secondary

#C5B480

accent

#BA4CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3754B2

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

Preview Lab → · Contrast checker → · Palette generator →