#3B489C#3B489C

#3B489C is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.136 H 272.9°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3B489C
RGB	rgb(59, 72, 156)
HSL	hsl(232, 45%, 42%)
HSV	hsv(232, 62%, 61%)
CMYK	cmyk(62.2%, 53.8%, 0%, 38.8%)
CIE-LAB	lab(33.91, 21.86, -47.54)
CIE-LCH	lch(33.91, 52.33, 294.69°)
OKLab	oklab(43.86% 0.0068 -0.1363)
OKLCH	oklch(43.86% 0.136 272.9)
XYZ	xyz(10.1198, 7.9640, 32.4500)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B489C #9C8F3B

analogous

#3B789C #3B489C #5F3B9C

triadic

#3B489C #9C3B48 #489C3B

tetradic

#3B489C #9C3B78 #9C8F3B #3B9C5F

square

#3B489C #9C3B78 #9C8F3B #3B9C5F

split-complementary

#3B489C #9C5F3B #789C3B

monochromatic

#191F43 #2A3470 #3B489C #5563BF #828CD0

Accessibility & contrast

On white

8.10

#3B489C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3B489C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B489C

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B489C	#FFFFFF	#000000	##FFFFFF
##3B489C	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14549F

Deuteranopia (green-blind)

#004C9A

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b489c;
/* rgb */ color: rgb(59, 72, 156);
/* oklch */ color: oklch(43.9% 0.136 272.9);

Tailwind

colors: {
  custom: {
    50: '#7b7aba',
    500: '#3b489c',
    950: '#000000',
  },
}

SCSS

$custom: #3b489c;
$custom-light: #7b7aba;
$custom-dark: #000000;

JSON

{
  "hex": "#3b489c",
  "rgb": {
    "r": 59,
    "g": 72,
    "b": 156
  },
  "hsl": {
    "h": 231.959,
    "s": 45.116,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43863,
    "c": 0.13649,
    "h": 272.9
  },
  "luminance": 0.07965
}

Semantic roles & 50–950 ramp

primary

#3B489C

secondary

#B9B179

accent

#C353D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3B489C

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

Preview Lab → · Contrast checker → · Palette generator →