#3D70BF#3D70BF

#3D70BF is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.9% C 0.135 H 258.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3D70BF
RGB	rgb(61, 112, 191)
HSL	hsl(216, 52%, 49%)
HSV	hsv(216, 68%, 75%)
CMYK	cmyk(68.1%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(47.42, 9.02, -46.52)
CIE-LCH	lch(47.42, 47.39, 280.97°)
OKLab	oklab(54.93% -0.026 -0.1327)
OKLCH	oklch(54.93% 0.135 258.9)
XYZ	xyz(17.1192, 16.3403, 51.5319)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70BF #BF8C3D

analogous

#3DB1BF #3D70BF #4B3DBF

triadic

#3D70BF #BF3D70 #70BF3D

tetradic

#3D70BF #BF3DB1 #BF8C3D #3DBF4B

square

#3D70BF #BF3DB1 #BF8C3D #3DBF4B

split-complementary

#3D70BF #BF4B3D #B1BF3D

monochromatic

#1F3A62 #2E5591 #3D70BF #6A92CF #98B4DE

Accessibility & contrast

On white

4.92

#3D70BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3D70BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70BF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70BF	#FFFFFF	#000000	##FFFFFF
##3D70BF	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C2

Deuteranopia (green-blind)

#376BBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3d70bf;
/* rgb */ color: rgb(61, 112, 191);
/* oklch */ color: oklch(54.9% 0.135 258.9);

Tailwind

colors: {
  custom: {
    50: '#8198d3',
    500: '#3d70bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d70bf;
$custom-light: #8198d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70bf",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 216.462,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54933,
    "c": 0.13522,
    "h": 258.9
  },
  "luminance": 0.16342
}

Semantic roles & 50–950 ramp

primary

#3D70BF

secondary

#CAB28E

accent

#A34DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3D70BF

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

Preview Lab → · Contrast checker → · Palette generator →