#3D70BD#3D70BD

#3D70BD is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.8% C 0.133 H 258.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3D70BD
RGB	rgb(61, 112, 189)
HSL	hsl(216, 51%, 49%)
HSV	hsv(216, 68%, 74%)
CMYK	cmyk(67.7%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(47.30, 8.30, -45.55)
CIE-LCH	lch(47.30, 46.29, 280.33°)
OKLab	oklab(54.81% -0.0265 -0.1298)
OKLCH	oklch(54.81% 0.133 258.5)
XYZ	xyz(16.9006, 16.2529, 50.3807)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70BD #BD8A3D

analogous

#3DB0BD #3D70BD #4A3DBD

triadic

#3D70BD #BD3D70 #70BD3D

tetradic

#3D70BD #BD3DB0 #BD8A3D #3DBD4A

square

#3D70BD #BD3DB0 #BD8A3D #3DBD4A

split-complementary

#3D70BD #BD4A3D #B0BD3D

monochromatic

#1F3960 #2E558F #3D70BD #6991CE #97B3DD

Accessibility & contrast

On white

4.94

#3D70BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3D70BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70BD

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70BD	#FFFFFF	#000000	##FFFFFF
##3D70BD	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C0

Deuteranopia (green-blind)

#396BBB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3d70bd;
/* rgb */ color: rgb(61, 112, 189);
/* oklch */ color: oklch(54.8% 0.133 258.5);

Tailwind

colors: {
  custom: {
    50: '#8098d1',
    500: '#3d70bd',
    950: '#000000',
  },
}

SCSS

$custom: #3d70bd;
$custom-light: #8098d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70bd",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 216.094,
    "s": 51.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54808,
    "c": 0.13251,
    "h": 258.5
  },
  "luminance": 0.16255
}

Semantic roles & 50–950 ramp

primary

#3D70BD

secondary

#C9B18D

accent

#A24DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3D70BD

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

Preview Lab → · Contrast checker → · Palette generator →