#3B488E#3B488E

#3B488E is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.8% C 0.116 H 272.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B488E
RGB	rgb(59, 72, 142)
HSL	hsl(231, 41%, 39%)
HSV	hsv(231, 58%, 56%)
CMYK	cmyk(58.5%, 49.3%, 0%, 44.3%)
CIE-LAB	lab(32.96, 16.90, -40.56)
CIE-LCH	lch(32.96, 43.94, 292.61°)
OKLab	oklab(42.84% 0.0054 -0.1158)
OKLCH	oklch(42.84% 0.116 272.7)
XYZ	xyz(9.0019, 7.5169, 26.5625)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B488E #8E813B

analogous

#3B728E #3B488E #573B8E

triadic

#3B488E #8E3B48 #488E3B

tetradic

#3B488E #8E3B72 #8E813B #3B8E57

square

#3B488E #8E3B72 #8E813B #3B8E57

split-complementary

#3B488E #8E573B #728E3B

monochromatic

#171C38 #293263 #3B488E #5060B6 #7B87C8

Accessibility & contrast

On white

8.39

#3B488E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3B488E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B488E

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B488E	#FFFFFF	#000000	##FFFFFF
##3B488E	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265191

Deuteranopia (green-blind)

#1A4A8D

Tritanopia (blue-blind)

#055864

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b488e;
/* rgb */ color: rgb(59, 72, 142);
/* oklch */ color: oklch(42.8% 0.116 272.7);

Tailwind

colors: {
  custom: {
    50: '#787aaf',
    500: '#3b488e',
    950: '#000000',
  },
}

SCSS

$custom: #3b488e;
$custom-light: #787aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b488e",
  "rgb": {
    "r": 59,
    "g": 72,
    "b": 142
  },
  "hsl": {
    "h": 230.602,
    "s": 41.294,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42839,
    "c": 0.11591,
    "h": 272.7
  },
  "luminance": 0.07518
}

Semantic roles & 50–950 ramp

primary

#3B488E

secondary

#B2A873

accent

#BE57D1

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3B488E

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

Preview Lab → · Contrast checker → · Palette generator →