#375FCC#375FCC

#375FCC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.175 H 265.4°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#375FCC
RGB	rgb(55, 95, 204)
HSL	hsl(224, 59%, 51%)
HSV	hsv(224, 73%, 80%)
CMYK	cmyk(73%, 53.4%, 0%, 20%)
CIE-LAB	lab(43.29, 23.71, -60.66)
CIE-LCH	lch(43.29, 65.13, 291.35°)
OKLab	oklab(51.97% -0.0139 -0.1746)
OKLCH	oklch(51.97% 0.175 265.4)
XYZ	xyz(16.5630, 13.3545, 58.8198)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FCC #CCA437

analogous

#37A9CC #375FCC #5937CC

triadic

#375FCC #CC375F #5FCC37

tetradic

#375FCC #CC37A9 #CCA437 #37CC59

square

#375FCC #CC37A9 #CCA437 #37CC59

split-complementary

#375FCC #CC5937 #A9CC37

monochromatic

#1C326D #28489E #375FCC #6886D8 #99ADE5

Accessibility & contrast

On white

5.72

#375FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#375FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FCC

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FCC	#FFFFFF	#000000	##FFFFFF
##375FCC	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#086DD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375fcc;
/* rgb */ color: rgb(55, 95, 204);
/* oklch */ color: oklch(52.0% 0.175 265.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#375fcc",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 204
  },
  "hsl": {
    "h": 223.893,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5197,
    "c": 0.1752,
    "h": 265.4
  },
  "luminance": 0.13356
}

Semantic roles & 50–950 ramp

primary

#375FCC

secondary

#D0BF8E

accent

#B845E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #375FCC

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

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