#3D71BC#3D71BC

#3D71BC is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.130 H 257.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3D71BC
RGB	rgb(61, 113, 188)
HSL	hsl(215, 51%, 49%)
HSV	hsv(215, 68%, 74%)
CMYK	cmyk(67.6%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(47.54, 7.32, -44.60)
CIE-LCH	lch(47.54, 45.20, 279.32°)
OKLab	oklab(54.97% -0.0277 -0.127)
OKLCH	oklch(54.97% 0.13 257.7)
XYZ	xyz(16.9034, 16.4315, 49.8480)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D71BC #BC883D

analogous

#3DB1BC #3D71BC #493DBC

triadic

#3D71BC #BC3D71 #71BC3D

tetradic

#3D71BC #BC3DB1 #BC883D #3DBC49

square

#3D71BC #BC3DB1 #BC883D #3DBC49

split-complementary

#3D71BC #BC493D #B1BC3D

monochromatic

#1F3960 #2E558E #3D71BC #6892CE #96B3DD

Accessibility & contrast

On white

4.90

#3D71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3D71BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D71BC

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D71BC	#FFFFFF	#000000	##FFFFFF
##3D71BC	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BF

Deuteranopia (green-blind)

#3C6BBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3d71bc;
/* rgb */ color: rgb(61, 113, 188);
/* oklch */ color: oklch(55.0% 0.130 257.7);

Tailwind

colors: {
  custom: {
    50: '#8099d0',
    500: '#3d71bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d71bc;
$custom-light: #8099d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d71bc",
  "rgb": {
    "r": 61,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 215.433,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54969,
    "c": 0.13003,
    "h": 257.7
  },
  "luminance": 0.16433
}

Semantic roles & 50–950 ramp

primary

#3D71BC

secondary

#C9B08C

accent

#A14DDA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3D71BC

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

Preview Lab → · Contrast checker → · Palette generator →