#375ECE#375ECE

#375ECE is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.9% C 0.179 H 265.8°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#375ECE
RGB	rgb(55, 94, 206)
HSL	hsl(225, 61%, 51%)
HSV	hsv(225, 73%, 81%)
CMYK	cmyk(73.3%, 54.4%, 0%, 19.2%)
CIE-LAB	lab(43.17, 25.08, -62.01)
CIE-LCH	lch(43.17, 66.89, 292.03°)
OKLab	oklab(51.92% -0.013 -0.1786)
OKLCH	oklch(51.92% 0.179 265.8)
XYZ	xyz(16.7149, 13.2721, 60.0614)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ECE #CEA737

analogous

#37AACE #375ECE #5B37CE

triadic

#375ECE #CE375E #5ECE37

tetradic

#375ECE #CE37AA #CEA737 #37CE5B

square

#375ECE #CE37AA #CEA737 #37CE5B

split-complementary

#375ECE #CE5B37 #AACE37

monochromatic

#1B316F #2747A0 #375ECE #6886DA #99ADE6

Accessibility & contrast

On white

5.75

#375ECE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#375ECE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ECE

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ECE	#FFFFFF	#000000	##FFFFFF
##375ECE	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#005FCC

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375ece;
/* rgb */ color: rgb(55, 94, 206);
/* oklch */ color: oklch(51.9% 0.179 265.8);

Tailwind

colors: {
  custom: {
    50: '#828bde',
    500: '#375ece',
    950: '#000000',
  },
}

SCSS

$custom: #375ece;
$custom-light: #828bde;
$custom-dark: #000000;

JSON

{
  "hex": "#375ece",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 206
  },
  "hsl": {
    "h": 224.503,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51923,
    "c": 0.17911,
    "h": 265.8
  },
  "luminance": 0.13274
}

Semantic roles & 50–950 ramp

primary

#375ECE

secondary

#D2C18F

accent

#BB44E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375ECE

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

Preview Lab → · Contrast checker → · Palette generator →