#375CB7#375CB7

#375CB7 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.150 H 264.8°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#375CB7
RGB	rgb(55, 92, 183)
HSL	hsl(223, 54%, 47%)
HSV	hsv(223, 70%, 72%)
CMYK	cmyk(69.9%, 49.7%, 0%, 28.2%)
CIE-LAB	lab(41.03, 17.90, -52.12)
CIE-LCH	lch(41.03, 55.11, 288.95°)
OKLab	oklab(49.79% -0.0136 -0.1496)
OKLCH	oklch(49.79% 0.15 264.8)
XYZ	xyz(13.9469, 11.8840, 46.3494)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CB7 #B79237

analogous

#379CB7 #375CB7 #5237B7

triadic

#375CB7 #B7375C #5CB737

tetradic

#375CB7 #B7379C #B79237 #37B752

square

#375CB7 #B7379C #B79237 #37B752

split-complementary

#375CB7 #B75237 #9CB737

monochromatic

#1B2D59 #294488 #375CB7 #5D7ECE #8CA3DC

Accessibility & contrast

On white

6.22

#375CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#375CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CB7

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CB7	#FFFFFF	#000000	##FFFFFF
##375CB7	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2867BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375cb7;
/* rgb */ color: rgb(55, 92, 183);
/* oklch */ color: oklch(49.8% 0.150 264.8);

Tailwind

colors: {
  custom: {
    50: '#7d89cd',
    500: '#375cb7',
    950: '#000000',
  },
}

SCSS

$custom: #375cb7;
$custom-light: #7d89cd;
$custom-dark: #000000;

JSON

{
  "hex": "#375cb7",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 183
  },
  "hsl": {
    "h": 222.656,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49793,
    "c": 0.15019,
    "h": 264.8
  },
  "luminance": 0.11885
}

Semantic roles & 50–950 ramp

primary

#375CB7

secondary

#C7B383

accent

#B34BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375CB7

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

Preview Lab → · Contrast checker → · Palette generator →