#375CD5#375CD5

#375CD5 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.191 H 266.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#375CD5
RGB	rgb(55, 92, 213)
HSL	hsl(226, 65%, 53%)
HSV	hsv(226, 74%, 84%)
CMYK	cmyk(74.2%, 56.8%, 0%, 16.5%)
CIE-LAB	lab(43.17, 28.93, -66.03)
CIE-LCH	lch(43.17, 72.09, 293.66°)
OKLab	oklab(52.08% -0.0111 -0.1905)
OKLCH	oklch(52.08% 0.191 266.7)
XYZ	xyz(17.4087, 13.2687, 64.5815)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CD5 #D5B037

analogous

#37ABD5 #375CD5 #6137D5

triadic

#375CD5 #D5375C #5CD537

tetradic

#375CD5 #D537AB #D5B037 #37D561

square

#375CD5 #D537AB #D5B037 #37D561

split-complementary

#375CD5 #D56137 #ABD537

monochromatic

#193078 #2444AB #375CD5 #6A85E0 #9CAEEA

Accessibility & contrast

On white

5.75

#375CD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#375CD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CD5

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CD5	#FFFFFF	#000000	##FFFFFF
##375CD5	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)

#006ED9

Deuteranopia (green-blind)

#005FD3

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375cd5;
/* rgb */ color: rgb(55, 92, 213);
/* oklch */ color: oklch(52.1% 0.191 266.7);

Tailwind

colors: {
  custom: {
    50: '#8489e3',
    500: '#375cd5',
    950: '#000000',
  },
}

SCSS

$custom: #375cd5;
$custom-light: #8489e3;
$custom-dark: #000000;

JSON

{
  "hex": "#375cd5",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 213
  },
  "hsl": {
    "h": 225.949,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52082,
    "c": 0.19082,
    "h": 266.7
  },
  "luminance": 0.13271
}

Semantic roles & 50–950 ramp

primary

#375CD5

secondary

#D6C692

accent

#C140E8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #375CD5

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

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