#3D50BB#3D50BB

#3D50BB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.0% C 0.169 H 271.0°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3D50BB
RGB	rgb(61, 80, 187)
HSL	hsl(231, 51%, 49%)
HSV	hsv(231, 67%, 73%)
CMYK	cmyk(67.4%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.40, 28.04, -58.70)
CIE-LCH	lch(38.40, 65.05, 295.53°)
OKLab	oklab(47.98% 0.0029 -0.169)
OKLCH	oklch(47.98% 0.169 271)
XYZ	xyz(13.7597, 10.3160, 48.2701)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D50BB #BBA83D

analogous

#3D8FBB #3D50BB #693DBB

triadic

#3D50BB #BB3D50 #50BB3D

tetradic

#3D50BB #BB3D8F #BBA83D #3DBB69

square

#3D50BB #BB3D8F #BBA83D #3DBB69

split-complementary

#3D50BB #BB693D #8FBB3D

monochromatic

#1F295F #2E3C8D #3D50BB #6877CE #96A0DD

Accessibility & contrast

On white

6.86

#3D50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3D50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D50BB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D50BB	#FFFFFF	#000000	##FFFFFF
##3D50BB	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3d50bb;
/* rgb */ color: rgb(61, 80, 187);
/* oklch */ color: oklch(48.0% 0.169 271.0);

Tailwind

colors: {
  custom: {
    50: '#8180d0',
    500: '#3d50bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d50bb;
$custom-light: #8180d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d50bb",
  "rgb": {
    "r": 61,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 230.952,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47981,
    "c": 0.16902,
    "h": 271
  },
  "luminance": 0.10317
}

Semantic roles & 50–950 ramp

primary

#3D50BB

secondary

#C8BF8C

accent

#C54EDA

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3D50BB

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

Preview Lab → · Contrast checker → · Palette generator →