#3B4DA3#3B4DA3

#3B4DA3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.140 H 270.9°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B4DA3
RGB	rgb(59, 77, 163)
HSL	hsl(230, 47%, 44%)
HSV	hsv(230, 64%, 64%)
CMYK	cmyk(63.8%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(35.75, 21.07, -48.78)
CIE-LCH	lch(35.75, 53.13, 293.36°)
OKLab	oklab(45.41% 0.0023 -0.1399)
OKLCH	oklch(45.41% 0.14 270.9)
XYZ	xyz(11.0661, 8.8810, 35.7743)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4DA3 #A3913B

analogous

#3B81A3 #3B4DA3 #5D3BA3

triadic

#3B4DA3 #A33B4D #4DA33B

tetradic

#3B4DA3 #A33B81 #A3913B #3BA35D

square

#3B4DA3 #A33B81 #A3913B #3BA35D

split-complementary

#3B4DA3 #A35D3B #81A33B

monochromatic

#1A2349 #2B3876 #3B4DA3 #586BC3 #8593D3

Accessibility & contrast

On white

7.56

#3B4DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3B4DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4DA3

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4DA3	#FFFFFF	#000000	##FFFFFF
##3B4DA3	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1959A6

Deuteranopia (green-blind)

#0050A1

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b4da3;
/* rgb */ color: rgb(59, 77, 163);
/* oklch */ color: oklch(45.4% 0.140 270.9);

Tailwind

colors: {
  custom: {
    50: '#7c7ebf',
    500: '#3b4da3',
    950: '#000000',
  },
}

SCSS

$custom: #3b4da3;
$custom-light: #7c7ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4da3",
  "rgb": {
    "r": 59,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 229.615,
    "s": 46.847,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4541,
    "c": 0.1399,
    "h": 270.9
  },
  "luminance": 0.08882
}

Semantic roles & 50–950 ramp

primary

#3B4DA3

secondary

#BDB27D

accent

#BF51D6

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3B4DA3

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

Preview Lab → · Contrast checker → · Palette generator →