#3D71BB#3D71BB

#3D71BB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 54.9% C 0.129 H 257.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3D71BB
RGB	rgb(61, 113, 187)
HSL	hsl(215, 51%, 49%)
HSV	hsv(215, 67%, 73%)
CMYK	cmyk(67.4%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(47.48, 6.96, -44.11)
CIE-LCH	lch(47.48, 44.66, 278.97°)
OKLab	oklab(54.91% -0.0279 -0.1256)
OKLCH	oklch(54.91% 0.129 257.5)
XYZ	xyz(16.7960, 16.3885, 49.2822)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D71BB #BB873D

analogous

#3DB0BB #3D71BB #483DBB

triadic

#3D71BB #BB3D71 #71BB3D

tetradic

#3D71BB #BB3DB0 #BB873D #3DBB48

square

#3D71BB #BB3DB0 #BB873D #3DBB48

split-complementary

#3D71BB #BB483D #B0BB3D

monochromatic

#1F395F #2E558D #3D71BB #6892CE #96B3DD

Accessibility & contrast

On white

4.91

#3D71BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3D71BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D71BB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D71BB	#FFFFFF	#000000	##FFFFFF
##3D71BB	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BE

Deuteranopia (green-blind)

#3D6BB9

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3d71bb;
/* rgb */ color: rgb(61, 113, 187);
/* oklch */ color: oklch(54.9% 0.129 257.5);

Tailwind

colors: {
  custom: {
    50: '#8099d0',
    500: '#3d71bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d71bb;
$custom-light: #8099d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d71bb",
  "rgb": {
    "r": 61,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 215.238,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54908,
    "c": 0.12867,
    "h": 257.5
  },
  "luminance": 0.1639
}

Semantic roles & 50–950 ramp

primary

#3D71BB

secondary

#C8AF8C

accent

#A04EDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3D71BB

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

Preview Lab → · Contrast checker → · Palette generator →