#3145AD#3145AD

#3145AD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.167 H 269.8°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3145AD
RGB	rgb(49, 69, 173)
HSL	hsl(230, 56%, 44%)
HSV	hsv(230, 72%, 68%)
CMYK	cmyk(71.7%, 60.1%, 0%, 32.2%)
CIE-LAB	lab(33.83, 28.41, -57.90)
CIE-LCH	lch(33.83, 64.50, 296.14°)
OKLab	oklab(44.05% -0.0005 -0.167)
OKLCH	oklch(44.05% 0.167 269.8)
XYZ	xyz(10.9350, 7.9252, 40.4805)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145AD #AD9931

analogous

#3183AD #3145AD #5B31AD

triadic

#3145AD #AD3145 #45AD31

tetradic

#3145AD #AD3183 #AD9931 #31AD5B

square

#3145AD #AD3183 #AD9931 #31AD5B

split-complementary

#3145AD #AD5B31 #83AD31

monochromatic

#161F4E #23327D #3145AD #4E63CD #7E8DDA

Accessibility & contrast

On white

8.12

#3145AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3145AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145AD

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145AD	#FFFFFF	#000000	##FFFFFF
##3145AD	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B0

Deuteranopia (green-blind)

#004AAB

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3145ad;
/* rgb */ color: rgb(49, 69, 173);
/* oklch */ color: oklch(44.1% 0.167 269.8);

Tailwind

colors: {
  custom: {
    50: '#7a78c6',
    500: '#3145ad',
    950: '#000000',
  },
}

SCSS

$custom: #3145ad;
$custom-light: #7a78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3145ad",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 173
  },
  "hsl": {
    "h": 230.323,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44054,
    "c": 0.16705,
    "h": 269.8
  },
  "luminance": 0.07926
}

Semantic roles & 50–950 ramp

primary

#3145AD

secondary

#C3B777

accent

#C749DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3145AD

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

Preview Lab → · Contrast checker → · Palette generator →