#375FD0#375FD0

#375FD0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.181 H 265.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#375FD0
RGB	rgb(55, 95, 208)
HSL	hsl(224, 62%, 52%)
HSV	hsv(224, 74%, 82%)
CMYK	cmyk(73.6%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(43.58, 25.18, -62.49)
CIE-LCH	lch(43.58, 67.37, 291.94°)
OKLab	oklab(52.28% -0.0136 -0.18)
OKLCH	oklch(52.28% 0.181 265.7)
XYZ	xyz(17.0489, 13.5489, 61.3790)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FD0 #D0A837

analogous

#37ABD0 #375FD0 #5C37D0

triadic

#375FD0 #D0375F #5FD037

tetradic

#375FD0 #D037AB #D0A837 #37D05C

square

#375FD0 #D037AB #D0A837 #37D05C

split-complementary

#375FD0 #D05C37 #ABD037

monochromatic

#1B3272 #2647A3 #375FD0 #6987DC #9AAEE7

Accessibility & contrast

On white

5.66

#375FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#375FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FD0

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FD0	#FFFFFF	#000000	##FFFFFF
##375FD0	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED4

Deuteranopia (green-blind)

#0060CE

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #375fd0;
/* rgb */ color: rgb(55, 95, 208);
/* oklch */ color: oklch(52.3% 0.181 265.7);

Tailwind

colors: {
  custom: {
    50: '#828bdf',
    500: '#375fd0',
    950: '#000000',
  },
}

SCSS

$custom: #375fd0;
$custom-light: #828bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#375fd0",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 224.314,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52277,
    "c": 0.18056,
    "h": 265.7
  },
  "luminance": 0.13551
}

Semantic roles & 50–950 ramp

primary

#375FD0

secondary

#D3C190

accent

#BB43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #375FD0

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

Preview Lab → · Contrast checker → · Palette generator →