#3445B4#3445B4

#3445B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.176 H 270.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3445B4
RGB	rgb(52, 69, 180)
HSL	hsl(232, 55%, 45%)
HSV	hsv(232, 71%, 71%)
CMYK	cmyk(71.1%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(34.56, 31.36, -60.86)
CIE-LCH	lch(34.56, 68.46, 297.26°)
OKLab	oklab(44.82% 0.0024 -0.1757)
OKLCH	oklch(44.82% 0.176 270.8)
XYZ	xyz(11.7797, 8.2804, 44.1486)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3445B4 #B4A334

analogous

#3485B4 #3445B4 #6334B4

triadic

#3445B4 #B43445 #45B434

tetradic

#3445B4 #B43485 #B4A334 #34B463

square

#3445B4 #B43485 #B4A334 #34B463

split-complementary

#3445B4 #B46334 #85B434

monochromatic

#192155 #263385 #3445B4 #5767CE #8692DC

Accessibility & contrast

On white

7.91

#3445B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3445B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3445B4

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3445B4	#FFFFFF	#000000	##FFFFFF
##3445B4	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006176

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3445b4;
/* rgb */ color: rgb(52, 69, 180);
/* oklch */ color: oklch(44.8% 0.176 270.8);

Tailwind

colors: {
  custom: {
    50: '#7d78cb',
    500: '#3445b4',
    950: '#000000',
  },
}

SCSS

$custom: #3445b4;
$custom-light: #7d78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3445b4",
  "rgb": {
    "r": 52,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 232.031,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.4482,
    "c": 0.17568,
    "h": 270.8
  },
  "luminance": 0.08282
}

Semantic roles & 50–950 ramp

primary

#3445B4

secondary

#C6BC7E

accent

#CB49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3445B4

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

Preview Lab → · Contrast checker → · Palette generator →