#3D71BF#3D71BF

#3D71BF is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.2% C 0.134 H 258.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3D71BF
RGB	rgb(61, 113, 191)
HSL	hsl(216, 52%, 49%)
HSV	hsv(216, 68%, 75%)
CMYK	cmyk(68.1%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(47.70, 8.39, -46.06)
CIE-LCH	lch(47.70, 46.82, 280.33°)
OKLab	oklab(55.15% -0.027 -0.1313)
OKLCH	oklch(55.15% 0.134 258.4)
XYZ	xyz(17.2302, 16.5622, 51.5689)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D71BF #BF8B3D

analogous

#3DB2BF #3D71BF #4A3DBF

triadic

#3D71BF #BF3D71 #71BF3D

tetradic

#3D71BF #BF3DB2 #BF8B3D #3DBF4A

square

#3D71BF #BF3DB2 #BF8B3D #3DBF4A

split-complementary

#3D71BF #BF4A3D #B2BF3D

monochromatic

#1F3A62 #2E5691 #3D71BF #6A92CF #98B4DE

Accessibility & contrast

On white

4.87

#3D71BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3D71BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D71BF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D71BF	#FFFFFF	#000000	##FFFFFF
##3D71BF	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#396CBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3d71bf;
/* rgb */ color: rgb(61, 113, 191);
/* oklch */ color: oklch(55.2% 0.134 258.4);

Tailwind

colors: {
  custom: {
    50: '#8199d3',
    500: '#3d71bf',
    950: '#000000',
  },
}

SCSS

$custom: #3d71bf;
$custom-light: #8199d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d71bf",
  "rgb": {
    "r": 61,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 216,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55154,
    "c": 0.13409,
    "h": 258.4
  },
  "luminance": 0.16564
}

Semantic roles & 50–950 ramp

primary

#3D71BF

secondary

#CAB28E

accent

#A24DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3D71BF

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

Preview Lab → · Contrast checker → · Palette generator →