#3440A2#3440A2

#3440A2 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.157 H 272.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3440A2
RGB	rgb(52, 64, 162)
HSL	hsl(233, 51%, 42%)
HSV	hsv(233, 68%, 64%)
CMYK	cmyk(67.9%, 60.5%, 0%, 36.5%)
CIE-LAB	lab(31.82, 28.10, -54.58)
CIE-LCH	lch(31.82, 61.39, 297.24°)
OKLab	oklab(42.33% 0.0067 -0.1573)
OKLCH	oklch(42.33% 0.157 272.4)
XYZ	xyz(9.7690, 7.0046, 35.0126)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3440A2 #A29634

analogous

#3477A2 #3440A2 #5F34A2

triadic

#3440A2 #A23440 #40A234

tetradic

#3440A2 #A23477 #A29634 #34A25F

square

#3440A2 #A23477 #A29634 #34A25F

split-complementary

#3440A2 #A25F34 #77A234

monochromatic

#161B45 #252E74 #3440A2 #4D5AC6 #7C85D5

Accessibility & contrast

On white

8.75

#3440A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3440A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3440A2

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3440A2	#FFFFFF	#000000	##FFFFFF
##3440A2	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A5

Deuteranopia (green-blind)

#0046A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3440a2;
/* rgb */ color: rgb(52, 64, 162);
/* oklch */ color: oklch(42.3% 0.157 272.4);

Tailwind

colors: {
  custom: {
    50: '#7974be',
    500: '#3440a2',
    950: '#000000',
  },
}

SCSS

$custom: #3440a2;
$custom-light: #7974be;
$custom-dark: #000000;

JSON

{
  "hex": "#3440a2",
  "rgb": {
    "r": 52,
    "g": 64,
    "b": 162
  },
  "hsl": {
    "h": 233.455,
    "s": 51.402,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4233,
    "c": 0.15741,
    "h": 272.4
  },
  "luminance": 0.07005
}

Semantic roles & 50–950 ramp

primary

#3440A2

secondary

#BEB674

accent

#CB4DDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3440A2

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

Preview Lab → · Contrast checker → · Palette generator →