#5375DD#5375DD

#5375DD is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.0% C 0.163 H 267.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#5375DD
RGB	rgb(83, 117, 221)
HSL	hsl(225, 67%, 60%)
HSV	hsv(225, 62%, 87%)
CMYK	cmyk(62.4%, 47.1%, 0%, 13.3%)
CIE-LAB	lab(51.59, 20.14, -56.90)
CIE-LCH	lch(51.59, 60.36, 289.49°)
OKLab	oklab(58.99% -0.0068 -0.1627)
OKLCH	oklch(58.99% 0.163 267.6)
XYZ	xyz(22.9753, 19.7800, 70.9998)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5375DD #DDBB53

analogous

#53BADD #5375DD #7653DD

triadic

#5375DD #DD5375 #75DD53

tetradic

#5375DD #DD53BA #DDBB53 #53DD76

square

#5375DD #DD53BA #DDBB53 #53DD76

split-complementary

#5375DD #DD7653 #BADD53

monochromatic

#1E3C98 #2850CB #5375DD #869EE7 #B9C7F1

Accessibility & contrast

On white

4.24

#5375DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#5375DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5375DD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5375DD	#FFFFFF	#000000	##000000
##5375DD	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4182E1

Deuteranopia (green-blind)

#2775DB

Tritanopia (blue-blind)

#008D9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5375dd;
/* rgb */ color: rgb(83, 117, 221);
/* oklch */ color: oklch(59.0% 0.163 267.6);

Tailwind

colors: {
  custom: {
    50: '#909ce8',
    500: '#5375dd',
    950: '#000000',
  },
}

SCSS

$custom: #5375dd;
$custom-light: #909ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#5375dd",
  "rgb": {
    "r": 83,
    "g": 117,
    "b": 221
  },
  "hsl": {
    "h": 225.217,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58988,
    "c": 0.16287,
    "h": 267.6
  },
  "luminance": 0.19782
}

Semantic roles & 50–950 ramp

primary

#5375DD

secondary

#E1D3AB

accent

#C03EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5375DD

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

Preview Lab → · Contrast checker → · Palette generator →