#3145A9#3145A9

#3145A9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.162 H 269.8°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#3145A9
RGB	rgb(49, 69, 169)
HSL	hsl(230, 55%, 43%)
HSV	hsv(230, 71%, 66%)
CMYK	cmyk(71%, 59.2%, 0%, 33.7%)
CIE-LAB	lab(33.50, 26.94, -56.04)
CIE-LCH	lch(33.50, 62.18, 295.67°)
OKLab	oklab(43.71% -0.0006 -0.1616)
OKLCH	oklch(43.71% 0.162 269.8)
XYZ	xyz(10.5537, 7.7727, 38.4725)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145A9 #A99531

analogous

#3181A9 #3145A9 #5931A9

triadic

#3145A9 #A93145 #45A931

tetradic

#3145A9 #A93181 #A99531 #31A959

square

#3145A9 #A93181 #A99531 #31A959

split-complementary

#3145A9 #A95931 #81A931

monochromatic

#151E4A #23327A #3145A9 #4C61CB #7C8BD9

Accessibility & contrast

On white

8.22

#3145A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3145A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145A9

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145A9	#FFFFFF	#000000	##FFFFFF
##3145A9	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AC

Deuteranopia (green-blind)

#0049A7

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3145a9;
/* rgb */ color: rgb(49, 69, 169);
/* oklch */ color: oklch(43.7% 0.162 269.8);

Tailwind

colors: {
  custom: {
    50: '#7978c3',
    500: '#3145a9',
    950: '#000000',
  },
}

SCSS

$custom: #3145a9;
$custom-light: #7978c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3145a9",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 169
  },
  "hsl": {
    "h": 230,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43714,
    "c": 0.16158,
    "h": 269.8
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#3145A9

secondary

#C1B574

accent

#C649DE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3145A9

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

Preview Lab → · Contrast checker → · Palette generator →