#3148A2#3148A2

#3148A2 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.148 H 268.7°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3148A2
RGB	rgb(49, 72, 162)
HSL	hsl(228, 54%, 41%)
HSV	hsv(228, 70%, 64%)
CMYK	cmyk(69.8%, 55.6%, 0%, 36.5%)
CIE-LAB	lab(33.76, 22.35, -51.42)
CIE-LCH	lch(33.76, 56.07, 293.49°)
OKLab	oklab(43.74% -0.0033 -0.148)
OKLCH	oklch(43.74% 0.148 268.7)
XYZ	xyz(10.1033, 7.8953, 35.1669)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148A2 #A28B31

analogous

#3181A2 #3148A2 #5331A2

triadic

#3148A2 #A23148 #48A231

tetradic

#3148A2 #A23181 #A28B31 #31A253

square

#3148A2 #A23181 #A28B31 #31A253

split-complementary

#3148A2 #A25331 #81A231

monochromatic

#151E44 #233373 #3148A2 #4862C8 #778BD6

Accessibility & contrast

On white

8.14

#3148A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3148A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148A2

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148A2	#FFFFFF	#000000	##FFFFFF
##3148A2	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A5

Deuteranopia (green-blind)

#004AA0

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3148a2;
/* rgb */ color: rgb(49, 72, 162);
/* oklch */ color: oklch(43.7% 0.148 268.7);

Tailwind

colors: {
  custom: {
    50: '#777abe',
    500: '#3148a2',
    950: '#000000',
  },
}

SCSS

$custom: #3148a2;
$custom-light: #777abe;
$custom-dark: #000000;

JSON

{
  "hex": "#3148a2",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 162
  },
  "hsl": {
    "h": 227.788,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43738,
    "c": 0.148,
    "h": 268.7
  },
  "luminance": 0.07896
}

Semantic roles & 50–950 ramp

primary

#3148A2

secondary

#BEAE71

accent

#BF4BDD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3148A2

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

Preview Lab → · Contrast checker → · Palette generator →