#3D70D9#3D70D9

#3D70D9 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.7% C 0.170 H 262.7°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3D70D9
RGB	rgb(61, 112, 217)
HSL	hsl(220, 67%, 55%)
HSV	hsv(220, 72%, 85%)
CMYK	cmyk(71.9%, 48.4%, 0%, 14.9%)
CIE-LAB	lab(48.99, 18.43, -58.86)
CIE-LCH	lch(48.99, 61.68, 287.39°)
OKLab	oklab(56.65% -0.0216 -0.169)
OKLCH	oklch(56.65% 0.17 262.7)
XYZ	xyz(20.2386, 17.5880, 67.9604)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70D9 #D9A63D

analogous

#3DBED9 #3D70D9 #583DD9

triadic

#3D70D9 #D93D70 #70D93D

tetradic

#3D70D9 #D93DBE #D9A63D #3DD958

square

#3D70D9 #D93DBE #D9A63D #3DD958

split-complementary

#3D70D9 #D9583D #BED93D

monochromatic

#193C82 #2453B5 #3D70D9 #7096E3 #A3BBED

Accessibility & contrast

On white

4.65

#3D70D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3D70D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70D9

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70D9	#FFFFFF	#000000	##FFFFFF
##3D70D9	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357CDD

Deuteranopia (green-blind)

#006ED7

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3d70d9;
/* rgb */ color: rgb(61, 112, 217);
/* oklch */ color: oklch(56.7% 0.170 262.7);

Tailwind

colors: {
  custom: {
    50: '#8698e5',
    500: '#3d70d9',
    950: '#000000',
  },
}

SCSS

$custom: #3d70d9;
$custom-light: #8698e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70d9",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 217
  },
  "hsl": {
    "h": 220.385,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.56653,
    "c": 0.17036,
    "h": 262.7
  },
  "luminance": 0.1759
}

Semantic roles & 50–950 ramp

primary

#3D70D9

secondary

#DAC498

accent

#B23EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3D70D9

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

Preview Lab → · Contrast checker → · Palette generator →