#3440A5#3440A5

#3440A5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.162 H 272.4°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#3440A5
RGB	rgb(52, 64, 165)
HSL	hsl(234, 52%, 43%)
HSV	hsv(234, 68%, 65%)
CMYK	cmyk(68.5%, 61.2%, 0%, 35.3%)
CIE-LAB	lab(32.06, 29.19, -55.98)
CIE-LCH	lch(32.06, 63.14, 297.53°)
OKLab	oklab(42.59% 0.0066 -0.1614)
OKLCH	oklch(42.59% 0.162 272.4)
XYZ	xyz(10.0388, 7.1125, 36.4338)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440A5 #A59934

analogous

#3479A5 #3440A5 #6034A5

triadic

#3440A5 #A53440 #40A534

tetradic

#3440A5 #A53479 #A59934 #34A560

square

#3440A5 #A53479 #A59934 #34A560

split-complementary

#3440A5 #A56034 #79A534

monochromatic

#171C48 #252E76 #3440A5 #4F5CC7 #7D87D6

Accessibility & contrast

On white

8.67

#3440A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3440A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440A5

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440A5	#FFFFFF	#000000	##FFFFFF
##3440A5	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3440a5;
/* rgb */ color: rgb(52, 64, 165);
/* oklch */ color: oklch(42.6% 0.162 272.4);

Tailwind

colors: {
  custom: {
    50: '#7a74c1',
    500: '#3440a5',
    950: '#000000',
  },
}

SCSS

$custom: #3440a5;
$custom-light: #7a74c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3440a5",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 165
  },
  "hsl": {
    "h": 233.628,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42587,
    "c": 0.16154,
    "h": 272.4
  },
  "luminance": 0.07113
}

Semantic roles & 50–950 ramp

primary

#3440A5

secondary

#BFB776

accent

#CC4CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3440A5

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

Preview Lab → · Contrast checker → · Palette generator →