#3B4E9A#3B4E9A

#3B4E9A is a dark, vivid blue. Relative luminance 0.087; OKLCH L 45.0% C 0.126 H 270.1°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E9A
RGB	rgb(59, 78, 154)
HSL	hsl(228, 45%, 42%)
HSV	hsv(228, 62%, 60%)
CMYK	cmyk(61.7%, 49.4%, 0%, 39.6%)
CIE-LAB	lab(35.42, 17.19, -43.90)
CIE-LCH	lch(35.42, 47.14, 291.38°)
OKLab	oklab(44.96% 0.0003 -0.1255)
OKLCH	oklch(44.96% 0.126 270.1)
XYZ	xyz(10.3588, 8.7108, 31.7011)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E9A #9A873B

analogous

#3B7E9A #3B4E9A #583B9A

triadic

#3B4E9A #9A3B4E #4E9A3B

tetradic

#3B4E9A #9A3B7E #9A873B #3B9A58

square

#3B4E9A #9A3B7E #9A873B #3B9A58

split-complementary

#3B4E9A #9A583B #7E9A3B

monochromatic

#192142 #2A386E #3B4E9A #556ABE #8190CF

Accessibility & contrast

On white

7.66

#3B4E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3B4E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E9A

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E9A	#FFFFFF	#000000	##FFFFFF
##3B4E9A	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27589D

Deuteranopia (green-blind)

#164F98

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b4e9a;
/* rgb */ color: rgb(59, 78, 154);
/* oklch */ color: oklch(45.0% 0.126 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a7fb8',
    500: '#3b4e9a',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e9a;
$custom-light: #7a7fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e9a",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 154
  },
  "hsl": {
    "h": 228,
    "s": 44.601,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44964,
    "c": 0.12552,
    "h": 270.1
  },
  "luminance": 0.08712
}

Semantic roles & 50–950 ramp

primary

#3B4E9A

secondary

#B8AC78

accent

#BB53D4

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #3B4E9A

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

Preview Lab → · Contrast checker → · Palette generator →