#375ECC#375ECC

#375ECC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.176 H 265.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#375ECC
RGB	rgb(55, 94, 204)
HSL	hsl(224, 59%, 51%)
HSV	hsv(224, 73%, 80%)
CMYK	cmyk(73%, 53.9%, 0%, 20%)
CIE-LAB	lab(43.03, 24.35, -61.09)
CIE-LCH	lch(43.03, 65.76, 291.73°)
OKLab	oklab(51.77% -0.0131 -0.1759)
OKLCH	oklch(51.77% 0.176 265.7)
XYZ	xyz(16.4735, 13.1755, 58.7900)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ECC #CCA537

analogous

#37A9CC #375ECC #5A37CC

triadic

#375ECC #CC375E #5ECC37

tetradic

#375ECC #CC37A9 #CCA537 #37CC5A

square

#375ECC #CC37A9 #CCA537 #37CC5A

split-complementary

#375ECC #CC5A37 #A9CC37

monochromatic

#1C316D #28479E #375ECC #6885D8 #99ADE5

Accessibility & contrast

On white

5.78

#375ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#375ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ECC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ECC	#FFFFFF	#000000	##FFFFFF
##375ECC	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD0

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375ecc;
/* rgb */ color: rgb(55, 94, 204);
/* oklch */ color: oklch(51.8% 0.176 265.7);

Tailwind

colors: {
  custom: {
    50: '#818bdc',
    500: '#375ecc',
    950: '#000000',
  },
}

SCSS

$custom: #375ecc;
$custom-light: #818bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#375ecc",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 224.295,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51769,
    "c": 0.17643,
    "h": 265.7
  },
  "luminance": 0.13177
}

Semantic roles & 50–950 ramp

primary

#375ECC

secondary

#D0BF8E

accent

#B945E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375ECC

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

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