#2148B2#2148B2

#2148B2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.174 H 264.7°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2148B2
RGB	rgb(33, 72, 178)
HSL	hsl(224, 69%, 41%)
HSV	hsv(224, 81%, 70%)
CMYK	cmyk(81.5%, 59.6%, 0%, 30.2%)
CIE-LAB	lab(34.34, 26.53, -60.07)
CIE-LCH	lch(34.34, 65.67, 293.83°)
OKLab	oklab(44.37% -0.0161 -0.1737)
OKLCH	oklch(44.37% 0.174 264.7)
XYZ	xyz(10.9776, 8.1711, 43.1095)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2148B2 #B28B21

analogous

#2191B2 #2148B2 #4321B2

triadic

#2148B2 #B22148 #48B221

tetradic

#2148B2 #B22191 #B28B21 #21B243

square

#2148B2 #B22191 #B28B21 #21B243

split-complementary

#2148B2 #B24321 #91B221

monochromatic

#0E1E4B #17337E #2148B2 #3662DA #6A8BE3

Accessibility & contrast

On white

7.97

#2148B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2148B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148B2

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2148B2	#FFFFFF	#000000	##FFFFFF
##2148B2	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004AB0

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2148b2;
/* rgb */ color: rgb(33, 72, 178);
/* oklch */ color: oklch(44.4% 0.174 264.7);

Tailwind

colors: {
  custom: {
    50: '#767aca',
    500: '#2148b2',
    950: '#000000',
  },
}

SCSS

$custom: #2148b2;
$custom-light: #767aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2148b2",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 178
  },
  "hsl": {
    "h": 223.862,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.44373,
    "c": 0.17443,
    "h": 264.7
  },
  "luminance": 0.08172
}

Semantic roles & 50–950 ramp

primary

#2148B2

secondary

#C9AE66

accent

#BC3CEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2148B2

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

Preview Lab → · Contrast checker → · Palette generator →