#3C4FBB#3C4FBB

#3C4FBB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.7% C 0.171 H 270.9°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#3C4FBB
RGB	rgb(60, 79, 187)
HSL	hsl(231, 51%, 48%)
HSV	hsv(231, 68%, 73%)
CMYK	cmyk(67.9%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(38.09, 28.54, -59.21)
CIE-LCH	lch(38.09, 65.73, 295.73°)
OKLab	oklab(47.73% 0.0027 -0.1705)
OKLCH	oklch(47.73% 0.171 270.9)
XYZ	xyz(13.6261, 10.1392, 48.2430)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C4FBB #BBA83C

analogous

#3C8EBB #3C4FBB #683CBB

triadic

#3C4FBB #BB3C4F #4FBB3C

tetradic

#3C4FBB #BB3C8E #BBA83C #3CBB68

square

#3C4FBB #BB3C8E #BBA83C #3CBB68

split-complementary

#3C4FBB #BB683C #8EBB3C

monochromatic

#1E285E #2D3B8D #3C4FBB #6676CE #959FDD

Accessibility & contrast

On white

6.94

#3C4FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#3C4FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C4FBB

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C4FBB	#FFFFFF	#000000	##FFFFFF
##3C4FBB	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3c4fbb;
/* rgb */ color: rgb(60, 79, 187);
/* oklch */ color: oklch(47.7% 0.171 270.9);

Tailwind

colors: {
  custom: {
    50: '#8180d0',
    500: '#3c4fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3c4fbb;
$custom-light: #8180d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c4fbb",
  "rgb": {
    "r": 60,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 231.024,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47733,
    "c": 0.17055,
    "h": 270.9
  },
  "luminance": 0.1014
}

Semantic roles & 50–950 ramp

primary

#3C4FBB

secondary

#C8BF8B

accent

#C64DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3C4FBB

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

Preview Lab → · Contrast checker → · Palette generator →