#3145A4#3145A4

#3145A4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.155 H 269.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#3145A4
RGB	rgb(49, 69, 164)
HSL	hsl(230, 54%, 42%)
HSV	hsv(230, 70%, 64%)
CMYK	cmyk(70.1%, 57.9%, 0%, 35.7%)
CIE-LAB	lab(33.11, 25.09, -53.68)
CIE-LCH	lch(33.11, 59.26, 295.05°)
OKLab	oklab(43.3% -0.0007 -0.1546)
OKLCH	oklch(43.3% 0.155 269.8)
XYZ	xyz(10.0933, 7.5886, 36.0476)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3145A4 #A49031

analogous

#317FA4 #3145A4 #5731A4

triadic

#3145A4 #A43145 #45A431

tetradic

#3145A4 #A4317F #A49031 #31A457

square

#3145A4 #A4317F #A49031 #31A457

split-complementary

#3145A4 #A45731 #7FA431

monochromatic

#151D46 #233175 #3145A4 #4960C9 #7989D7

Accessibility & contrast

On white

8.34

#3145A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3145A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3145A4

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3145A4	#FFFFFF	#000000	##FFFFFF
##3145A4	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A7

Deuteranopia (green-blind)

#0049A2

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3145a4;
/* rgb */ color: rgb(49, 69, 164);
/* oklch */ color: oklch(43.3% 0.155 269.8);

Tailwind

colors: {
  custom: {
    50: '#7878c0',
    500: '#3145a4',
    950: '#000000',
  },
}

SCSS

$custom: #3145a4;
$custom-light: #7878c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3145a4",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 164
  },
  "hsl": {
    "h": 229.565,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43297,
    "c": 0.15465,
    "h": 269.8
  },
  "luminance": 0.0759
}

Semantic roles & 50–950 ramp

primary

#3145A4

secondary

#BFB272

accent

#C44ADD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3145A4

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

Preview Lab → · Contrast checker → · Palette generator →