#375EB0#375EB0

#375EB0 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.7% C 0.138 H 263.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#375EB0
RGB	rgb(55, 94, 176)
HSL	hsl(221, 52%, 45%)
HSV	hsv(221, 69%, 69%)
CMYK	cmyk(68.8%, 46.6%, 0%, 31%)
CIE-LAB	lab(41.14, 14.02, -47.84)
CIE-LCH	lch(41.14, 49.85, 286.34°)
OKLab	oklab(49.73% -0.0164 -0.137)
OKLCH	oklch(49.73% 0.138 263.2)
XYZ	xyz(13.4120, 11.9509, 42.6658)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EB0 #B08937

analogous

#379AB0 #375EB0 #4C37B0

triadic

#375EB0 #B0375E #5EB037

tetradic

#375EB0 #B0379A #B08937 #37B04C

square

#375EB0 #B0379A #B08937 #37B04C

split-complementary

#375EB0 #B04C37 #9AB037

monochromatic

#1A2C53 #284581 #375EB0 #597ECB #88A2DA

Accessibility & contrast

On white

6.19

#375EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#375EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EB0

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EB0	#FFFFFF	#000000	##FFFFFF
##375EB0	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B3

Deuteranopia (green-blind)

#1C5CAE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375eb0;
/* rgb */ color: rgb(55, 94, 176);
/* oklch */ color: oklch(49.7% 0.138 263.2);

Tailwind

colors: {
  custom: {
    50: '#7c8bc8',
    500: '#375eb0',
    950: '#000000',
  },
}

SCSS

$custom: #375eb0;
$custom-light: #7c8bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#375eb0",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 220.661,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49729,
    "c": 0.13794,
    "h": 263.2
  },
  "luminance": 0.11952
}

Semantic roles & 50–950 ramp

primary

#375EB0

secondary

#C4AE7F

accent

#AD4CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375EB0

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

Preview Lab → · Contrast checker → · Palette generator →