#3B4DD1#3B4DD1

#3B4DD1 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.2% C 0.202 H 270.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DD1
RGB	rgb(59, 77, 209)
HSL	hsl(233, 62%, 53%)
HSV	hsv(233, 72%, 82%)
CMYK	cmyk(71.8%, 63.2%, 0%, 18%)
CIE-LAB	lab(39.31, 37.46, -70.02)
CIE-LCH	lch(39.31, 79.41, 298.15°)
OKLab	oklab(49.17% 0.0029 -0.2023)
OKLCH	oklch(49.17% 0.202 270.8)
XYZ	xyz(15.9622, 10.8394, 61.5602)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DD1 #D1BF3B

analogous

#3B98D1 #3B4DD1 #743BD1

triadic

#3B4DD1 #D13B4D #4DD13B

tetradic

#3B4DD1 #D13B98 #D1BF3B #3BD174

square

#3B4DD1 #D13B98 #D1BF3B #3BD174

split-complementary

#3B4DD1 #D1743B #98D13B

monochromatic

#1C2776 #2737A7 #3B4DD1 #6D7ADD #9EA7E8

Accessibility & contrast

On white

6.63

#3B4DD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3B4DD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4DD1

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DD1	#FFFFFF	#000000	##FFFFFF
##3B4DD1	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D5

Deuteranopia (green-blind)

#0056CE

Tritanopia (blue-blind)

#006F88

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3b4dd1;
/* rgb */ color: rgb(59, 77, 209);
/* oklch */ color: oklch(49.2% 0.202 270.8);

Tailwind

colors: {
  custom: {
    50: '#857fe0',
    500: '#3b4dd1',
    950: '#000000',
  },
}

SCSS

$custom: #3b4dd1;
$custom-light: #857fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4dd1",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 209
  },
  "hsl": {
    "h": 232.8,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.4917,
    "c": 0.20231,
    "h": 270.8
  },
  "luminance": 0.10841
}

Semantic roles & 50–950 ramp

primary

#3B4DD1

secondary

#D4CD93

accent

#D243E5

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3B4DD1

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

Preview Lab → · Contrast checker → · Palette generator →