#3754A8#3754A8

#3754A8 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.139 H 266.7°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3754A8
RGB	rgb(55, 84, 168)
HSL	hsl(225, 51%, 44%)
HSV	hsv(225, 67%, 66%)
CMYK	cmyk(67.3%, 50%, 0%, 34.1%)
CIE-LAB	lab(37.80, 17.59, -48.47)
CIE-LCH	lch(37.80, 51.56, 289.95°)
OKLab	oklab(47.01% -0.008 -0.139)
OKLCH	oklch(47.01% 0.139 266.7)
XYZ	xyz(11.8113, 9.9789, 38.3419)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3754A8 #A88B37

analogous

#378CA8 #3754A8 #5237A8

triadic

#3754A8 #A83754 #54A837

tetradic

#3754A8 #A8378C #A88B37 #37A852

square

#3754A8 #A8378C #A88B37 #37A852

split-complementary

#3754A8 #A85237 #8CA837

monochromatic

#19264C #283D7A #3754A8 #5572C7 #8398D6

Accessibility & contrast

On white

7.01

#3754A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3754A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3754A8

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3754A8	#FFFFFF	#000000	##FFFFFF
##3754A8	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255EAB

Deuteranopia (green-blind)

#0454A6

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3754a8;
/* rgb */ color: rgb(55, 84, 168);
/* oklch */ color: oklch(47.0% 0.139 266.7);

Tailwind

colors: {
  custom: {
    50: '#7b83c2',
    500: '#3754a8',
    950: '#000000',
  },
}

SCSS

$custom: #3754a8;
$custom-light: #7b83c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3754a8",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 168
  },
  "hsl": {
    "h": 224.602,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47014,
    "c": 0.13919,
    "h": 266.7
  },
  "luminance": 0.0998
}

Semantic roles & 50–950 ramp

primary

#3754A8

secondary

#C0AE7B

accent

#B64EDA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3754A8

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

Preview Lab → · Contrast checker → · Palette generator →