#375CB0#375CB0

#375CB0 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.140 H 264.1°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#375CB0
RGB	rgb(55, 92, 176)
HSL	hsl(222, 52%, 45%)
HSV	hsv(222, 69%, 69%)
CMYK	cmyk(68.8%, 47.7%, 0%, 31%)
CIE-LAB	lab(40.57, 15.32, -48.75)
CIE-LCH	lch(40.57, 51.10, 287.45°)
OKLab	oklab(49.3% -0.0145 -0.1397)
OKLCH	oklch(49.3% 0.14 264.1)
XYZ	xyz(13.2364, 11.5998, 42.6073)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CB0 #B08B37

analogous

#3798B0 #375CB0 #4E37B0

triadic

#375CB0 #B0375C #5CB037

tetradic

#375CB0 #B03798 #B08B37 #37B04E

square

#375CB0 #B03798 #B08B37 #37B04E

split-complementary

#375CB0 #B04E37 #98B037

monochromatic

#1A2B53 #284481 #375CB0 #597CCB #88A1DA

Accessibility & contrast

On white

6.32

#375CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#375CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CB0

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CB0	#FFFFFF	#000000	##FFFFFF
##375CB0	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3066B3

Deuteranopia (green-blind)

#145AAE

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375cb0;
/* rgb */ color: rgb(55, 92, 176);
/* oklch */ color: oklch(49.3% 0.140 264.1);

Tailwind

colors: {
  custom: {
    50: '#7c89c8',
    500: '#375cb0',
    950: '#000000',
  },
}

SCSS

$custom: #375cb0;
$custom-light: #7c89c8;
$custom-dark: #000000;

JSON

{
  "hex": "#375cb0",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 221.653,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49296,
    "c": 0.14041,
    "h": 264.1
  },
  "luminance": 0.11601
}

Semantic roles & 50–950 ramp

primary

#375CB0

secondary

#C4AF7F

accent

#B04CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375CB0

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

Preview Lab → · Contrast checker → · Palette generator →