#3440C9#3440C9

#3440C9 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 45.9% C 0.209 H 271.2°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3440C9
RGB	rgb(52, 64, 201)
HSL	hsl(235, 59%, 50%)
HSV	hsv(235, 74%, 79%)
CMYK	cmyk(74.1%, 68.2%, 0%, 21.2%)
CIE-LAB	lab(35.23, 41.92, -72.09)
CIE-LCH	lch(35.23, 83.39, 300.17°)
OKLab	oklab(45.88% 0.0043 -0.2086)
OKLCH	oklch(45.88% 0.209 271.2)
XYZ	xyz(13.7886, 8.6124, 56.1827)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440C9 #C9BD34

analogous

#348AC9 #3440C9 #7334C9

triadic

#3440C9 #C93440 #40C934

tetradic

#3440C9 #C9348A #C9BD34 #34C973

square

#3440C9 #C9348A #C9BD34 #34C973

split-complementary

#3440C9 #C97334 #8AC934

monochromatic

#1B2168 #273198 #3440C9 #636DD7 #949AE3

Accessibility & contrast

On white

7.71

#3440C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3440C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440C9

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440C9	#FFFFFF	#000000	##FFFFFF
##3440C9	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACD

Deuteranopia (green-blind)

#004CC6

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3440c9;
/* rgb */ color: rgb(52, 64, 201);
/* oklch */ color: oklch(45.9% 0.209 271.2);

Tailwind

colors: {
  custom: {
    50: '#8275db',
    500: '#3440c9',
    950: '#000000',
  },
}

SCSS

$custom: #3440c9;
$custom-light: #8275db;
$custom-dark: #000000;

JSON

{
  "hex": "#3440c9",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 235.168,
    "s": 58.893,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45876,
    "c": 0.20862,
    "h": 271.2
  },
  "luminance": 0.08614
}

Semantic roles & 50–950 ramp

primary

#3440C9

secondary

#CEC98A

accent

#D546E2

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3440C9

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

Preview Lab → · Contrast checker → · Palette generator →