#375DD0#375DD0

#375DD0 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.183 H 266.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#375DD0
RGB	rgb(55, 93, 208)
HSL	hsl(225, 62%, 52%)
HSV	hsv(225, 74%, 82%)
CMYK	cmyk(73.6%, 55.3%, 0%, 18.4%)
CIE-LAB	lab(43.05, 26.46, -63.35)
CIE-LCH	lch(43.05, 68.65, 292.67°)
OKLab	oklab(51.88% -0.0121 -0.1826)
OKLCH	oklch(51.88% 0.183 266.2)
XYZ	xyz(16.8711, 13.1932, 61.3197)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DD0 #D0AA37

analogous

#37AAD0 #375DD0 #5E37D0

triadic

#375DD0 #D0375D #5DD037

tetradic

#375DD0 #D037AA #D0AA37 #37D05E

square

#375DD0 #D037AA #D0AA37 #37D05E

split-complementary

#375DD0 #D05E37 #AAD037

monochromatic

#1B3072 #2645A3 #375DD0 #6985DC #9AADE7

Accessibility & contrast

On white

5.77

#375DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#375DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DD0

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DD0	#FFFFFF	#000000	##FFFFFF
##375DD0	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375dd0;
/* rgb */ color: rgb(55, 93, 208);
/* oklch */ color: oklch(51.9% 0.183 266.2);

Tailwind

colors: {
  custom: {
    50: '#828adf',
    500: '#375dd0',
    950: '#000000',
  },
}

SCSS

$custom: #375dd0;
$custom-light: #828adf;
$custom-dark: #000000;

JSON

{
  "hex": "#375dd0",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 208
  },
  "hsl": {
    "h": 225.098,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5188,
    "c": 0.183,
    "h": 266.2
  },
  "luminance": 0.13195
}

Semantic roles & 50–950 ramp

primary

#375DD0

secondary

#D3C290

accent

#BD43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375DD0

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

Preview Lab → · Contrast checker → · Palette generator →