#375BCE#375BCE

#375BCE is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.183 H 266.6°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#375BCE
RGB	rgb(55, 91, 206)
HSL	hsl(226, 61%, 51%)
HSV	hsv(226, 73%, 81%)
CMYK	cmyk(73.3%, 55.8%, 0%, 19.2%)
CIE-LAB	lab(42.38, 27.01, -63.29)
CIE-LCH	lch(42.38, 68.81, 293.11°)
OKLab	oklab(51.33% -0.0107 -0.1824)
OKLCH	oklch(51.33% 0.183 266.6)
XYZ	xyz(16.4533, 12.7489, 59.9742)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BCE #CEAA37

analogous

#37A7CE #375BCE #5E37CE

triadic

#375BCE #CE375B #5BCE37

tetradic

#375BCE #CE37A7 #CEAA37 #37CE5E

square

#375BCE #CE37A7 #CEAA37 #37CE5E

split-complementary

#375BCE #CE5E37 #A7CE37

monochromatic

#1B2F6F #2744A0 #375BCE #6883DA #99ACE6

Accessibility & contrast

On white

5.92

#375BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#375BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BCE

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BCE	#FFFFFF	#000000	##FFFFFF
##375BCE	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#005DCC

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375bce;
/* rgb */ color: rgb(55, 91, 206);
/* oklch */ color: oklch(51.3% 0.183 266.6);

Tailwind

colors: {
  custom: {
    50: '#8288de',
    500: '#375bce',
    950: '#000000',
  },
}

SCSS

$custom: #375bce;
$custom-light: #8288de;
$custom-dark: #000000;

JSON

{
  "hex": "#375bce",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 206
  },
  "hsl": {
    "h": 225.695,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5133,
    "c": 0.18276,
    "h": 266.6
  },
  "luminance": 0.12751
}

Semantic roles & 50–950 ramp

primary

#375BCE

secondary

#D2C28F

accent

#BE44E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375BCE

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

Preview Lab → · Contrast checker → · Palette generator →