#3B4CCB#3B4CCB

#3B4CCB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.5% C 0.196 H 271.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3B4CCB
RGB	rgb(59, 76, 203)
HSL	hsl(233, 58%, 51%)
HSV	hsv(233, 71%, 80%)
CMYK	cmyk(70.9%, 62.6%, 0%, 20.4%)
CIE-LAB	lab(38.57, 35.98, -67.76)
CIE-LCH	lch(38.57, 76.72, 297.97°)
OKLab	oklab(48.47% 0.0038 -0.1957)
OKLCH	oklch(48.47% 0.196 271.1)
XYZ	xyz(15.1639, 10.4090, 57.6983)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4CCB #CBBA3B

analogous

#3B94CB #3B4CCB #723BCB

triadic

#3B4CCB #CB3B4C #4CCB3B

tetradic

#3B4CCB #CB3B94 #CBBA3B #3BCB72

square

#3B4CCB #CB3B94 #CBBA3B #3BCB72

split-complementary

#3B4CCB #CB723B #94CB3B

monochromatic

#1D276E #2A389F #3B4CCB #6B78D8 #9CA4E5

Accessibility & contrast

On white

6.81

#3B4CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3B4CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4CCB

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4CCB	#FFFFFF	#000000	##FFFFFF
##3B4CCB	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CF

Deuteranopia (green-blind)

#0054C9

Tritanopia (blue-blind)

#006D84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b4ccb;
/* rgb */ color: rgb(59, 76, 203);
/* oklch */ color: oklch(48.5% 0.196 271.1);

Tailwind

colors: {
  custom: {
    50: '#847edc',
    500: '#3b4ccb',
    950: '#000000',
  },
}

SCSS

$custom: #3b4ccb;
$custom-light: #847edc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4ccb",
  "rgb": {
    "r": 59,
    "g": 76,
    "b": 203
  },
  "hsl": {
    "h": 232.917,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48469,
    "c": 0.19573,
    "h": 271.1
  },
  "luminance": 0.1041
}

Semantic roles & 50–950 ramp

primary

#3B4CCB

secondary

#D1C991

accent

#CF47E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B4CCB

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

Preview Lab → · Contrast checker → · Palette generator →