#375DB0#375DB0

#375DB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.139 H 263.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#375DB0
RGB	rgb(55, 93, 176)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 69%, 69%)
CMYK	cmyk(68.8%, 47.2%, 0%, 31%)
CIE-LAB	lab(40.85, 14.67, -48.29)
CIE-LCH	lch(40.85, 50.47, 286.90°)
OKLab	oklab(49.51% -0.0155 -0.1383)
OKLCH	oklch(49.51% 0.139 263.6)
XYZ	xyz(13.3236, 11.7742, 42.6364)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DB0 #B08A37

analogous

#3799B0 #375DB0 #4D37B0

triadic

#375DB0 #B0375D #5DB037

tetradic

#375DB0 #B03799 #B08A37 #37B04D

square

#375DB0 #B03799 #B08A37 #37B04D

split-complementary

#375DB0 #B04D37 #99B037

monochromatic

#1A2C53 #284481 #375DB0 #597DCB #88A1DA

Accessibility & contrast

On white

6.26

#375DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#375DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DB0

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DB0	#FFFFFF	#000000	##FFFFFF
##375DB0	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3266B3

Deuteranopia (green-blind)

#185BAE

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375db0;
/* rgb */ color: rgb(55, 93, 176);
/* oklch */ color: oklch(49.5% 0.139 263.6);

Tailwind

colors: {
  custom: {
    50: '#7c8ac8',
    500: '#375db0',
    950: '#000000',
  },
}

SCSS

$custom: #375db0;
$custom-light: #7c8ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#375db0",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 176
  },
  "hsl": {
    "h": 221.157,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49512,
    "c": 0.13917,
    "h": 263.6
  },
  "luminance": 0.11776
}

Semantic roles & 50–950 ramp

primary

#375DB0

secondary

#C4AE7F

accent

#AF4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375DB0

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

Preview Lab → · Contrast checker → · Palette generator →