#3B4EA5#3B4EA5

#3B4EA5 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.141 H 270.6°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B4EA5
RGB	rgb(59, 78, 165)
HSL	hsl(229, 47%, 44%)
HSV	hsv(229, 64%, 65%)
CMYK	cmyk(64.2%, 52.7%, 0%, 35.3%)
CIE-LAB	lab(36.16, 21.13, -49.31)
CIE-LCH	lch(36.16, 53.65, 293.20°)
OKLab	oklab(45.77% 0.0015 -0.1414)
OKLCH	oklch(45.77% 0.141 270.6)
XYZ	xyz(11.3173, 9.0942, 36.7490)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4EA5 #A5923B

analogous

#3B83A5 #3B4EA5 #5D3BA5

triadic

#3B4EA5 #A53B4E #4EA53B

tetradic

#3B4EA5 #A53B83 #A5923B #3BA55D

square

#3B4EA5 #A53B83 #A5923B #3BA55D

split-complementary

#3B4EA5 #A55D3B #83A53B

monochromatic

#1B234B #2B3978 #3B4EA5 #596CC4 #8694D4

Accessibility & contrast

On white

7.45

#3B4EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3B4EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4EA5

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4EA5	#FFFFFF	#000000	##FFFFFF
##3B4EA5	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195AA8

Deuteranopia (green-blind)

#0051A3

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b4ea5;
/* rgb */ color: rgb(59, 78, 165);
/* oklch */ color: oklch(45.8% 0.141 270.6);

Tailwind

colors: {
  custom: {
    50: '#7c7fc0',
    500: '#3b4ea5',
    950: '#000000',
  },
}

SCSS

$custom: #3b4ea5;
$custom-light: #7c7fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4ea5",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 165
  },
  "hsl": {
    "h": 229.245,
    "s": 47.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45765,
    "c": 0.14144,
    "h": 270.6
  },
  "luminance": 0.09095
}

Semantic roles & 50–950 ramp

primary

#3B4EA5

secondary

#BEB37E

accent

#BF51D7

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3B4EA5

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

Preview Lab → · Contrast checker → · Palette generator →