#3D75DF#3D75DF

#3D75DF is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.1% C 0.172 H 261.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3D75DF
RGB	rgb(61, 117, 223)
HSL	hsl(219, 72%, 56%)
HSV	hsv(219, 73%, 87%)
CMYK	cmyk(72.6%, 47.5%, 0%, 12.5%)
CIE-LAB	lab(50.73, 17.48, -59.45)
CIE-LCH	lch(50.73, 61.97, 286.38°)
OKLab	oklab(58.11% -0.0249 -0.1706)
OKLCH	oklch(58.11% 0.172 261.7)
XYZ	xyz(21.6003, 19.0400, 72.3344)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D75DF #DFA73D

analogous

#3DC6DF #3D75DF #563DDF

triadic

#3D75DF #DF3D75 #75DF3D

tetradic

#3D75DF #DF3DC6 #DFA73D #3DDF56

square

#3D75DF #DF3DC6 #DFA73D #3DDF56

split-complementary

#3D75DF #DF563D #C6DF3D

monochromatic

#173F8B #2057BF #3D75DF #729AE8 #A6C0F0

Accessibility & contrast

On white

4.37

#3D75DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#3D75DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D75DF

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D75DF	#FFFFFF	#000000	##000000
##3D75DF	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B81E3

Deuteranopia (green-blind)

#0772DD

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3d75df;
/* rgb */ color: rgb(61, 117, 223);
/* oklch */ color: oklch(58.1% 0.172 261.7);

Tailwind

colors: {
  custom: {
    50: '#879cea',
    500: '#3d75df',
    950: '#000000',
  },
}

SCSS

$custom: #3d75df;
$custom-light: #879cea;
$custom-dark: #000000;

JSON

{
  "hex": "#3d75df",
  "rgb": {
    "r": 61,
    "g": 117,
    "b": 223
  },
  "hsl": {
    "h": 219.259,
    "s": 71.681,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58108,
    "c": 0.17245,
    "h": 261.7
  },
  "luminance": 0.19042
}

Semantic roles & 50–950 ramp

primary

#3D75DF

secondary

#DEC69A

accent

#B039EE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #3D75DF

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

Preview Lab → · Contrast checker → · Palette generator →