#375FB6#375FB6

#375FB6 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.145 H 263.5°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#375FB6
RGB	rgb(55, 95, 182)
HSL	hsl(221, 54%, 46%)
HSV	hsv(221, 70%, 71%)
CMYK	cmyk(69.8%, 47.8%, 0%, 28.6%)
CIE-LAB	lab(41.80, 15.59, -50.29)
CIE-LCH	lch(41.80, 52.65, 287.22°)
OKLab	oklab(50.36% -0.0164 -0.1442)
OKLCH	oklch(50.36% 0.145 263.5)
XYZ	xyz(14.1083, 12.3726, 45.8915)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FB6 #B68E37

analogous

#379FB6 #375FB6 #4F37B6

triadic

#375FB6 #B6375F #5FB637

tetradic

#375FB6 #B6379F #B68E37 #37B64F

square

#375FB6 #B6379F #B68E37 #37B64F

split-complementary

#375FB6 #B64F37 #9FB637

monochromatic

#1B2E58 #294687 #375FB6 #5C80CE #8BA5DC

Accessibility & contrast

On white

6.04

#375FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#375FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FB6

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FB6	#FFFFFF	#000000	##FFFFFF
##375FB6	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3169B9

Deuteranopia (green-blind)

#125DB4

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375fb6;
/* rgb */ color: rgb(55, 95, 182);
/* oklch */ color: oklch(50.4% 0.145 263.5);

Tailwind

colors: {
  custom: {
    50: '#7d8bcc',
    500: '#375fb6',
    950: '#000000',
  },
}

SCSS

$custom: #375fb6;
$custom-light: #7d8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#375fb6",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 182
  },
  "hsl": {
    "h": 221.102,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50361,
    "c": 0.14509,
    "h": 263.5
  },
  "luminance": 0.12374
}

Semantic roles & 50–950 ramp

primary

#375FB6

secondary

#C6B182

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #375FB6

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

Preview Lab → · Contrast checker → · Palette generator →