#375ECA#375ECA

#375ECA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.174 H 265.6°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#375ECA
RGB	rgb(55, 94, 202)
HSL	hsl(224, 58%, 50%)
HSV	hsv(224, 73%, 79%)
CMYK	cmyk(72.8%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(42.88, 23.61, -60.17)
CIE-LCH	lch(42.88, 64.64, 291.43°)
OKLab	oklab(51.62% -0.0133 -0.1732)
OKLCH	oklch(51.62% 0.174 265.6)
XYZ	xyz(16.2352, 13.0802, 57.5348)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ECA #CAA337

analogous

#37A7CA #375ECA #5A37CA

triadic

#375ECA #CA375E #5ECA37

tetradic

#375ECA #CA37A7 #CAA337 #37CA5A

square

#375ECA #CA37A7 #CAA337 #37CA5A

split-complementary

#375ECA #CA5A37 #A7CA37

monochromatic

#1C316A #29479B #375ECA #6785D7 #98ACE4

Accessibility & contrast

On white

5.81

#375ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#375ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ECA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ECA	#FFFFFF	#000000	##FFFFFF
##375ECA	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096CCE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375eca;
/* rgb */ color: rgb(55, 94, 202);
/* oklch */ color: oklch(51.6% 0.174 265.6);

Tailwind

colors: {
  custom: {
    50: '#818bdb',
    500: '#375eca',
    950: '#000000',
  },
}

SCSS

$custom: #375eca;
$custom-light: #818bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#375eca",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 224.082,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51616,
    "c": 0.17374,
    "h": 265.6
  },
  "luminance": 0.13082
}

Semantic roles & 50–950 ramp

primary

#375ECA

secondary

#CFBE8E

accent

#B846E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375ECA

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

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