#375CCE#375CCE

#375CCE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.182 H 266.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#375CCE
RGB	rgb(55, 92, 206)
HSL	hsl(225, 61%, 51%)
HSV	hsv(225, 73%, 81%)
CMYK	cmyk(73.3%, 55.3%, 0%, 19.2%)
CIE-LAB	lab(42.64, 26.37, -62.86)
CIE-LCH	lch(42.64, 68.17, 292.76°)
OKLab	oklab(51.53% -0.0115 -0.1812)
OKLCH	oklch(51.53% 0.182 266.4)
XYZ	xyz(16.5394, 12.9210, 60.0029)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CCE #CEA937

analogous

#37A7CE #375CCE #5D37CE

triadic

#375CCE #CE375C #5CCE37

tetradic

#375CCE #CE37A7 #CEA937 #37CE5D

square

#375CCE #CE37A7 #CEA937 #37CE5D

split-complementary

#375CCE #CE5D37 #A7CE37

monochromatic

#1B306F #2745A0 #375CCE #6884DA #99ACE6

Accessibility & contrast

On white

5.86

#375CCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#375CCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CCE

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CCE	#FFFFFF	#000000	##FFFFFF
##375CCE	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375cce;
/* rgb */ color: rgb(55, 92, 206);
/* oklch */ color: oklch(51.5% 0.182 266.4);

Tailwind

colors: {
  custom: {
    50: '#8289de',
    500: '#375cce',
    950: '#000000',
  },
}

SCSS

$custom: #375cce;
$custom-light: #8289de;
$custom-dark: #000000;

JSON

{
  "hex": "#375cce",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 206
  },
  "hsl": {
    "h": 225.298,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51526,
    "c": 0.18154,
    "h": 266.4
  },
  "luminance": 0.12923
}

Semantic roles & 50–950 ramp

primary

#375CCE

secondary

#D2C18F

accent

#BD44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375CCE

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

Preview Lab → · Contrast checker → · Palette generator →