#3445A5#3445A5

#3445A5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.155 H 270.9°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3445A5
RGB	rgb(52, 69, 165)
HSL	hsl(231, 52%, 43%)
HSV	hsv(231, 68%, 65%)
CMYK	cmyk(68.5%, 58.2%, 0%, 35.3%)
CIE-LAB	lab(33.35, 25.90, -53.88)
CIE-LCH	lch(33.35, 59.78, 295.68°)
OKLab	oklab(43.55% 0.0024 -0.1552)
OKLCH	oklch(43.55% 0.155 270.9)
XYZ	xyz(10.3335, 7.7019, 36.5321)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3445A5 #A59434

analogous

#347EA5 #3445A5 #5B34A5

triadic

#3445A5 #A53445 #45A534

tetradic

#3445A5 #A5347E #A59434 #34A55B

square

#3445A5 #A5347E #A59434 #34A55B

split-complementary

#3445A5 #A55B34 #7EA534

monochromatic

#171E48 #253276 #3445A5 #4F61C7 #7D8BD6

Accessibility & contrast

On white

8.27

#3445A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3445A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3445A5

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3445A5	#FFFFFF	#000000	##FFFFFF
##3445A5	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A8

Deuteranopia (green-blind)

#0049A3

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3445a5;
/* rgb */ color: rgb(52, 69, 165);
/* oklch */ color: oklch(43.5% 0.155 270.9);

Tailwind

colors: {
  custom: {
    50: '#7978c0',
    500: '#3445a5',
    950: '#000000',
  },
}

SCSS

$custom: #3445a5;
$custom-light: #7978c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3445a5",
  "rgb": {
    "r": 52,
    "g": 69,
    "b": 165
  },
  "hsl": {
    "h": 230.973,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43548,
    "c": 0.15519,
    "h": 270.9
  },
  "luminance": 0.07703
}

Semantic roles & 50–950 ramp

primary

#3445A5

secondary

#BFB476

accent

#C64CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3445A5

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

Preview Lab → · Contrast checker → · Palette generator →