#375CB2#375CB2

#375CB2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.143 H 264.3°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#375CB2
RGB	rgb(55, 92, 178)
HSL	hsl(222, 53%, 46%)
HSV	hsv(222, 69%, 70%)
CMYK	cmyk(69.1%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(40.70, 16.06, -49.72)
CIE-LCH	lch(40.70, 52.24, 287.90°)
OKLab	oklab(49.44% -0.0142 -0.1425)
OKLCH	oklch(49.44% 0.143 264.3)
XYZ	xyz(13.4358, 11.6795, 43.6571)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CB2 #B28D37

analogous

#3799B2 #375CB2 #4F37B2

triadic

#375CB2 #B2375C #5CB237

tetradic

#375CB2 #B23799 #B28D37 #37B24F

square

#375CB2 #B23799 #B28D37 #37B24F

split-complementary

#375CB2 #B24F37 #99B237

monochromatic

#1A2C54 #294483 #375CB2 #5A7CCC #89A1DB

Accessibility & contrast

On white

6.29

#375CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#375CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CB2

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CB2	#FFFFFF	#000000	##FFFFFF
##375CB2	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E66B5

Deuteranopia (green-blind)

#0F5BB0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #375cb2;
/* rgb */ color: rgb(55, 92, 178);
/* oklch */ color: oklch(49.4% 0.143 264.3);

Tailwind

colors: {
  custom: {
    50: '#7c89ca',
    500: '#375cb2',
    950: '#000000',
  },
}

SCSS

$custom: #375cb2;
$custom-light: #7c89ca;
$custom-dark: #000000;

JSON

{
  "hex": "#375cb2",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 221.951,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49436,
    "c": 0.14322,
    "h": 264.3
  },
  "luminance": 0.11681
}

Semantic roles & 50–950 ramp

primary

#375CB2

secondary

#C5B080

accent

#B14CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375CB2

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

Preview Lab → · Contrast checker → · Palette generator →