#3445A7#3445A7

#3445A7 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.158 H 270.9°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#3445A7
RGB	rgb(52, 69, 167)
HSL	hsl(231, 53%, 43%)
HSV	hsv(231, 69%, 65%)
CMYK	cmyk(68.9%, 58.7%, 0%, 34.5%)
CIE-LAB	lab(33.51, 26.64, -54.83)
CIE-LCH	lch(33.51, 60.95, 295.91°)
OKLab	oklab(43.71% 0.0025 -0.1579)
OKLCH	oklch(43.71% 0.158 270.9)
XYZ	xyz(10.5170, 7.7753, 37.4983)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3445A7 #A79634

analogous

#347FA7 #3445A7 #5C34A7

triadic

#3445A7 #A73445 #45A734

tetradic

#3445A7 #A7347F #A79634 #34A75C

square

#3445A7 #A7347F #A79634 #34A75C

split-complementary

#3445A7 #A75C34 #7FA734

monochromatic

#171E4A #253278 #3445A7 #5062C8 #7E8CD7

Accessibility & contrast

On white

8.22

#3445A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3445A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3445A7

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3445A7	#FFFFFF	#000000	##FFFFFF
##3445A7	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3445a7;
/* rgb */ color: rgb(52, 69, 167);
/* oklch */ color: oklch(43.7% 0.158 270.9);

Tailwind

colors: {
  custom: {
    50: '#7a78c2',
    500: '#3445a7',
    950: '#000000',
  },
}

SCSS

$custom: #3445a7;
$custom-light: #7a78c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3445a7",
  "rgb": {
    "r": 52,
    "g": 69,
    "b": 167
  },
  "hsl": {
    "h": 231.13,
    "s": 52.511,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.15796,
    "h": 270.9
  },
  "luminance": 0.07776
}

Semantic roles & 50–950 ramp

primary

#3445A7

secondary

#C0B577

accent

#C74CDC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3445A7

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

Preview Lab → · Contrast checker → · Palette generator →